Porsche 997 911: Common Problems, Repair Costs & Specs

Written by Zach, an independent mechanic in the Pacific Northwest. Last reviewed September 2026. Spot a mistake? Tell me.

Common Issues

What goes wrong on the 997, how to spot it, and what it costs to fix.

IMS Bearing Failure (997.1 Only)

Advanced

Symptoms: Metallic debris in oil, grinding noise, catastrophic engine failure, oil pressure light

The 997.1 Carrera's M97 engine still has an intermediate shaft bearing. Early cars use the retrofittable single-row bearing; from 2006 Porsche fitted a larger one that fails less often but can't be replaced without splitting the engine. The GT3 and 997.1 Turbo use the Mezger engine and don't have the problem, and the 997.2 (2009 on) dropped the IMS bearing entirely.

Estimated Repair Costs

DIY $500–1,000

Shop $2,000–3,500

997.1 Carrera only.

Common Fixes

997.1: Proactive IMS bearing replacement with upgraded bearing
LN Engineering ceramic hybrid bearing upgrade
Regular oil analysis to detect early wear
997.2: No IMS bearing—this is not a concern
Always verify engine type when purchasing a 997

Common Parts

Part	Part Number	Typical price
IMS Bearing Retrofit	LN Engineering	$400–600
IMS Solution Kit	Flat Six Innovations	$1,200–1,500

Sources: Rennlist, LN Engineering

Bore Scoring (997.1 M97 Engine)

Advanced

Symptoms: Ticking/knocking noise, smoke on cold start, oil consumption, low compression

The 997.1's M97 can score its cylinder walls, letting oil past the rings. It's often reported worst on one bank, with cylinder 6 the most common, and shows up as a ticking cold start, oil consumption, and sooty tailpipes on one side. The 997.2's engine doesn't have the problem. Borescope any 997.1 before you buy it.

Estimated Repair Costs

DIY N/A

Shop $5,000–15,000

997.1 only. Borescope before you buy.

Common Fixes

Borescope inspection (pre-purchase inspection must include this)
Minor scoring: monitor, use quality oil, don't overheat
Moderate scoring: cylinder sleeving repair
Severe scoring: engine rebuild or replacement
Prevention: proper warm-up, quality oil, avoid short trips

Common Parts

Part	Part Number	Typical price
Cylinder Sleeving	LN Engineering	$800–1,200/cyl

Sources: Rennlist, Flat Six Innovations

PDK Transmission Issues (997.2)

Advanced

Symptoms: Jerky low-speed shifts, shuddering during engagement, warning lights, harsh 1-2 shift

The PDK arrived with the 997.2. It's generally dependable, and some low-speed jerkiness, especially cold, is normal. The expensive problems are clutch wear and mechatronic unit failures. Keep up with the fluid service.

Estimated Repair Costs

DIY $100–200

Shop $400–2,000+

Fluid service is DIY-able with the right tools. Major repairs are shop work.

Common Fixes

Ensure latest software updates are installed
PDK fluid change (not technically required but beneficial)
Clutch adaptation reset via Porsche diagnostic tool
For severe issues: clutch pack replacement (expensive)
Mechatronic unit repair or replacement if electrical issues

Common Parts

Part	Part Number	Typical price
PDK Fluid (7L)	Pentosin FFL-2	$150–200
PDK Filter	9G132153300	$40–80

Sources: Rennlist, Planet-9

PASM Suspension Failures

Moderate

Symptoms: PASM warning light, harsh ride, suspension not adjusting, clunking noises, uneven ride height

PASM dampers adjust their stiffness electronically. They fail by leaking or with control module faults, which gives you a harsher ride and a warning light. Remanufactured dampers take some of the sting out of the cost.

Estimated Repair Costs

DIY $400–800

Shop $800–1,500

Per damper. Remanufactured units are available.

Common Fixes

Diagnose with PIWIS/Durametric to identify failed damper
Replace failed PASM damper (oem or remanufactured)
Convert to quality coilovers if multiple failures
Check wiring and connectors before replacing dampers
PASM control module can be rebuilt if electrical issue

Common Parts

Part	Part Number	Typical price
PASM Damper (Front)	997.343.053.10	$500–900
PASM Damper (Rear)	997.333.053.10	$500–900
Remanufactured PASM	Varies	$300–500

Sources: Rennlist, Pelican Parts

Coolant Pipe and Water Pump Failures

Advanced

Symptoms: Coolant loss, overheating, coolant smell, puddles under car, temperature warning

The cooling system runs from radiators in the nose to the engine in the tail, with plastic pipes, fittings, a water pump, and an expansion tank that all age with heat. Replace the water pump on schedule, keep the radiators clear of debris, and fix small leaks early. On the Mezger-engined Turbo, GT2, and GT3, the glued coolant pipe fittings are a separate, well-known problem with its own fix.

Estimated Repair Costs

DIY $200–400

Shop $500–1,000

Separate from the Mezger coolant pipe issue.

Common Fixes

Replace plastic coolant pipes with aluminum upgrade kit
Replace water pump (consider with major service)
Replace expansion tank if original
Replace thermostat if over 60k miles
Flush and refill coolant every 4 years

Common Parts

Part	Part Number	Typical price
Coolant Pipe Kit	Varies	$150–300
Water Pump	997.106.011.06	$120–200

Sources: FCP Euro, Rennlist

Direct Fuel Injection Carbon Buildup (997.2)

Moderate

Symptoms: Rough idle, misfires, reduced power, poor fuel economy, check engine light

The 997.2's engine is direct-injected, so fuel doesn't wash the backs of the intake valves and some carbon builds up. Porsche's design seems less prone to it than many direct-injected engines, and plenty of cars never need attention. If a high-mileage car idles roughly or feels down on power, walnut blasting is the fix.

Estimated Repair Costs

DIY $200–400

Shop $500–1,000

Mild on these engines. Walnut blasting if it's needed.

Common Fixes

Walnut shell blasting to clean intake valves
Chemical cleaning (less effective but less invasive)
Preventive: occasional Italian tune-ups (spirited driving)
Use quality fuel with good detergent additives
Some owners add catch can to reduce oil vapor deposits

Common Parts

Part	Part Number	Typical price
Walnut Media (bag)	Varies	$30–50
Intake Gaskets	9A111023500	$20–40

Sources: Rennlist, Pelican Parts

Rear Main Seal Leak (997.1)

Advanced

Symptoms: Oil drips from transmission bell housing, burning oil smell, oil on clutch, clutch slippage

Like the 996, the 997.1's M97 can weep oil from its rear main seal, and on manual cars enough can reach the clutch to make it slip. The 997.2's engine uses a different design with fewer reported problems.

Estimated Repair Costs

DIY $400–800

Shop $1,500–2,500

997.1 only. Combine with a clutch if it's worn.

Common Fixes

Replace rear main seal (requires engine/trans separation)
Combine with IMS bearing replacement to save labor (997.1)
Replace clutch if contaminated with oil
Use updated seal design for longer life

Common Parts

Part	Part Number	Typical price
Rear Main Seal	997.103.225.71	$30–60

Sources: Pelican Parts, Rennlist

Restoration Guides

The bigger jobs: step-by-step, with parts lists, tools, and the mistakes to avoid.

Complete Suspension Refresh

Intermediate 12-16 hours $700-1,400

Front struts, the multi-link rear, and every bushing in between. Keeps a 997 feeling as tight as the day it left Stuttgart.

Interval Every 60,000-80,000 miles

Cost (DIY) $700-1,400

Labor 10-14 hours shop time

Parts List

Part	OEM part #	Aftermarket	Typical cost
Front Control Arm (Left)	99734105310	Lemforder, URO	$120-200
Front Control Arm (Right)	99734105410	Lemforder, URO	$120-200
Front Thrust Arm (Pair)	99734105500	Lemforder	$100-180
Front Strut Mount (Pair)	99734351900	Sachs, Lemforder	$80-150
Tie Rod End (Pair)	99734713100	Lemforder	$60-120
Rear Control Arm Upper (Pair)	99733105105	Lemforder	$120-220
Rear Control Arm Lower (Pair)	99733105205	Lemforder	$120-220
Rear Thrust Arm (Pair)	99733105600	Lemforder	$80-160
Rear Sway Bar End Link (Pair)	99733306700	Lemforder	$40-80
Wheel Bearing (Each)	99705302304	FAG, SKF	$80-150

Tools

Floor jack and jack stands
18mm, 19mm, 21mm sockets
Ball joint separator
Tie rod puller
Spring compressor
Torque wrench
Penetrating oil
Alignment specs printout

Step by step

Raise vehicle on jack stands at all four corners.
Remove wheels and photograph suspension.
Soak all bolts with penetrating oil.
Front: Remove sway bar links, tie rod ends, control arm bolts.
Separate ball joint from knuckle.
For struts: mark camber, remove upper mount nuts and pinch bolt (65 ft-lbs).
Replace strut mount/bearing using spring compressor.
Install new front components—control arm to frame 89 ft-lbs.
Rear: The 997's rear geometry has a big effect on handling.
Support trailing arm, remove control arms (81 ft-lbs inner).
Replace thrust arms—affect toe settings.
Important: Check rear spring perches for cracks.
Install wheels and lower vehicle.
Professional alignment mandatory.

Tips

The 997 is rear-engine biased—suspension issues amplified.
997.1 and 997.2 use similar suspension despite different engines.
Cracked spring perches are a known safety issue.
PASM dampers fail over time—consider replacement if leaking.

Watch out

Important: Inspect rear spring perches for cracks.
Spring compressors are dangerous.
Rear-engine weight distribution amplifies issues.
Incorrect alignment causes rear instability at speed.

References

Rust Prevention and Inspection

Intermediate 4-14 hours $100-1,000

A galvanized body, so this is about drains and water intrusion, not rot.

Interval Inspect annually

Cost (DIY) $100-1,000

Labor Varies by severity

Parts List

Part	OEM part #	Aftermarket	Typical cost
Front Trunk Seal	99756193100	URO	$60-120
Door Seal Set	99753193101	URO	$100-200
Headlight Seal Kit	Various	Butyl tape	$30-80
Battery Box Repair	—	Fabricated	$100-250
Rust Converter	—	POR-15	$20-40
Cavity Wax	—	Fluid Film	$15-30
Trunk Drain Tubes	99756192900	Aftermarket	$20-40

Tools

Inspection mirror and flashlight
Wire brush
Compressed air
Respirator
Spray wand for cavity wax

Step by step

The 997 is fully galvanized—most issues are water-related.
Clean undercarriage before inspection.
Check front trunk for water—DME and fuse box located here.
Clear front trunk drain tubes.
Inspect battery box for acid corrosion.
Check headlights for moisture (bi-xenon prone to seal failure).
Examine rocker panels and door bottoms.
Check wheel wells and suspension mounts.
Surface rust: wire brush, convert, prime, topcoat.
Reseal headlights if moisture present.
Apply cavity wax to hollow sections.
Clear all drain tubes with compressed air.

Tips

997s rarely have structural rust due to galvanization.
Most corrosion from water intrusion and battery acid.
Headlight seal failure extremely common.
Annual Fluid Film prevents most issues.

Watch out

Water in frunk destroys expensive electronics.
Headlight moisture damages hid ballasts.
Always wear respirator when grinding.

References

Electrical System Service

Intermediate 10-16 hours $300-900

Ignition, sensors, headlight resealing, and the common electrical faults.

Interval Address as symptoms appear

Cost (DIY) $300-900

Labor 8-12 hours shop time

Parts List

Part	OEM part #	Aftermarket	Typical cost
Ignition Coil Pack (Set of 6)	99760210402	Bosch	$150-300
Mass Air Flow Sensor	99760612400	Bosch	$80-150
Oxygen Sensor Set (4)	99760612600/700	Bosch, NTK	$300-500
Headlight Seal Kit	Various	Butyl tape	$20-50
PASM Damper	99734305310	Remanufactured	$300-900
Window Regulator	99754207504	URO	$150-250
VarioCam Solenoid	99760530101	OEM only	$100-180

Tools

OBD2 scanner (Durametric/PIWIS)
Torx driver set
10mm socket
Heat gun
Butyl tape
Multimeter
Contact cleaner
Dielectric grease

Step by step

Begin with diagnostic scan for fault codes.
Check front trunk for water intrusion.
For headlight reseal: remove assembly (3 bolts).
Heat headlight at 200°F for 15-20 min to soften sealant.
Separate lens, clean old butyl, apply new sealant.
For coils: open engine lid, disconnect and remove.
Inspect spark plug wells for oil.
For PASM: diagnose which damper failed, replace.
For window regulator: remove door panel, support glass, swap.
Clean all ground points.
Clear codes and verify repairs.

Tips

997 headlight condensation extremely common.
997.1 vs 997.2 have different filter locations.
VarioCam solenoid issues cause rough running—use oem.
PASM failures trigger warning light.

Watch out

Water in frunk destroys DME.
Be careful heating headlights.
Never use carburetor cleaner on MAF.
Always disconnect battery before electrical work.

References

Interior Restoration

Intermediate 10-20 hours $300-1,200

Leather, the common wear items, and the PCM system.

Interval As needed

Cost (DIY) $300-1,200

Labor 8-16 hours shop time

Parts List

Part	OEM part #	Aftermarket	Typical cost
Leather Repair Kit	—	Leatherique, Colourlock	$50-100
Steering Wheel Re-wrap	—	Professional service	$200-400
Shift Knob	99742407504	Aftermarket, weighted	$60-200
E-Brake Boot	99755298001	Leather replicas	$30-60
Seat Foam (Driver)	99752191203	Recovered	$100-200
Cabin Air Filter	99757221901	Mann, Bosch	$25-50
Door Seal Set	99753193101	URO	$100-200
HVAC Blend Actuator	99757319100	VDO	$60-120

Tools

Trim removal tools
Torx driver set
Microfiber cloths
Leather cleaner and conditioner
Interior detailing brushes

Step by step

Document condition with photos.
Clean leather thoroughly with dedicated cleaner.
Fill cracks with leather filler, sand smooth, apply dye.
Condition all leather surfaces.
Assess steering wheel—rewrap if worn.
Replace worn boots and knobs.
Replace cabin air filter—in frunk under carpet.
Clean HVAC vents with brushes.
Address seat bolster wear with dye or foam replacement.
Replace door seals if wind noise present.
Apply UV protectant to exposed surfaces.

Tips

Sport seats wear faster on driver bolster.
Steering wheel often wears before seats.
997 leather responds well to conditioning.
HVAC clicking indicates blend actuator failure.

Watch out

Don't use silicone on leather.
Steering wheel has airbag—disconnect battery.
Be careful with aged trim clips.

References

Coolant Pipe Pinning (997 Turbo, GT2, and GT3)

Advanced 8-14 hours $300-900

The Mezger engine in the 997.1 Turbo, GT2, and GT3 has coolant pipes glued into the crankcase, and the glue can let go, dumping coolant in seconds. Pinning or clamping the pipes stops it, for far less than the damage it prevents. Carrera owners can skip this one.

Cost (DIY) $300-900

Parts List

Part	OEM part #	Aftermarket	Typical cost
Coolant pipe pinning or clamping kit	—	—	$100-400
Porsche coolant	—	—	$60-100
O-rings and seals for disturbed fittings	—	—	$20-60

Tools

Lift or tall jack stands
Drill and jig from the pinning kit
Drain pan
Coolant vacuum fill tool
Torque wrench

Step by step

Let the engine cool and drain the coolant.
Remove the components needed to reach the pipe joints on the engine, per the kit instructions.
Clean the pipe and housing around each joint.
Drill and pin, or fit the clamps, exactly as the kit's jig and instructions specify.
Refit everything you removed with new seals where needed.
Refill with a vacuum fill tool to avoid air pockets.
Run the engine to temperature, check for leaks, and recheck the level when cool.

Tips

Some specialists replace the pipes with welded or pinned versions during an engine-out service. It's the permanent fix.
Watch your coolant level weekly until the job is done.

Watch out

Drilling into the wrong spot can damage the engine. Follow the jig exactly or let a specialist do it.
If the low coolant light comes on, stop the car immediately.

References

DIY Maintenance

The routine work you can do on a Saturday with hand tools and jack stands.

Oil Change

Easy 30 min $60-90

Oil and filter on both the 997.1 and 997.2 engines.

Interval Every 5,000 miles (cheap IMS insurance on the 997.1)

Cost (DIY) $60-90

Tools

19mm socket for drain plug
Oil filter wrench (997.1) or 76mm cap wrench (997.2)
Drain pan (10L capacity)
Funnel
Torque wrench
Ramps or jack and jack stands

Step by step

Warm the engine for 2-3 minutes—warm oil drains more completely.
Drive onto ramps or safely raise and support the vehicle.
Locate the oil drain plug on the bottom of the engine - 19mm socket.
Position drain pan and remove drain plug—oil capacity is approximately 9 quarts.
997.1: Remove spin-on oil filter using filter wrench (located on lower right of engine).
997.2: Remove cartridge filter cap (76mm) and replace filter element.
Allow oil to drain completely (10-15 minutes for thorough drain).
Install new drain plug washer and reinstall plug—torque to 37 ft-lbs (50 Nm).
997.1: Lubricate new filter gasket with oil and install—hand tight plus 3/4 turn.
997.2: Install new filter element and o-ring, torque cap to 19 ft-lbs (26 Nm).
Lower vehicle and add approximately 8.5 quarts of 0W-40 full synthetic.
Start engine and check for leaks around drain plug and filter.
Check oil level on the dashboard—add oil as needed to reach proper level.
Reset oil service interval in instrument cluster.

Tips

On a 997.1: cut open and inspect oil filter for metal debris—this is an early IMS bearing warning sign.
997.2 has no IMS bearing concern—different engine design (9A1).
Use quality 0W-40 oil meeting Porsche A40 spec (Mobil 1, Motul, etc.).
Consider oil analysis for 997.1 cars—helps monitor IMS bearing health.
Don't overfill—these engines are sensitive to overfilling.

Brake Pad Replacement

Easy 1-2 hours $150-300

Front and rear pads, and when to replace the wear sensors.

Interval Every 20,000-40,000 miles depending on driving style

Cost (DIY) $150-300

Tools

19mm socket for wheel bolts
7mm hex/Allen socket for caliper guide pins
Brake piston retractor tool (rear uses screw-in type)
Wire brush
Brake cleaner
Anti-seize lubricant
Torque wrench

Step by step

Loosen wheel bolts before raising vehicle.
Raise and safely support vehicle on jack stands.
Remove wheel bolts and wheel.
Disconnect brake pad wear sensor connector if equipped.
Remove caliper guide pin bolts (7mm hex)—do not remove caliper bracket.
Swing caliper up and support it—do not let it hang by the brake hose.
Remove old brake pads and anti-rattle clips.
Clean caliper bracket and slide pins with brake cleaner and wire brush.
Inspect rotors for wear, scoring, or minimum thickness.
Front: Use brake piston tool to push piston back into caliper.
Rear: Use screw-in type retractor—piston must be rotated clockwise while pushing.
Install new anti-rattle clips and apply thin film of brake lubricant to pad backing.
Install new brake pads with wear sensor on inner pad (if equipped).
Reinstall caliper and torque guide pins to 25 ft-lbs.
Connect wear sensor and reinstall wheel—torque bolts to 118 ft-lbs (160 Nm).
Pump brake pedal several times before driving to seat pads.

Tips

Replace pads in axle pairs—never replace just one side.
Wear sensors are one-time use—replace if triggered or during pad change.
Bed in new pads properly: 10 moderate stops from 40 mph, then cool down.
PCCB (ceramic brake) cars have different procedure—do not attempt without proper training.
Open brake fluid reservoir cap before compressing pistons to prevent overflow.

Spark Plug Replacement

Easy 1-1.5 hours $80-150

Plugs on the M97 (997.1) or the DFI engine (997.2).

Interval Every 40,000 miles (997.1) or 60,000 miles (997.2)

Cost (DIY) $80-150

Tools

10mm socket for coil bolts
5/8" (16mm) spark plug socket with rubber insert
6" and 12" extensions
Torque wrench
Anti-seize compound
Dielectric grease
Compressed air or vacuum

Step by step

Allow engine to cool completely—spark plugs in aluminum heads must be replaced cold.
Remove engine cover (if equipped) for better access.
Disconnect electrical connector from each ignition coil.
Remove coil pack mounting bolt (10mm) from each coil.
Carefully pull each coil straight up and out of the spark plug well.
Use compressed air to blow debris out of spark plug wells before removal.
Remove each spark plug using 5/8" deep socket with extension.
Inspect removed plugs for wear pattern and electrode condition.
Apply thin coat of anti-seize to new plug threads (avoid getting on electrode).
Hand-thread new plugs to avoid cross-threading in aluminum heads.
Torque spark plugs to 22 ft-lbs (30 Nm)—do not overtighten.
Apply dielectric grease inside coil boots to prevent sticking.
Reinstall coil packs and torque mounting bolts to 7.5 ft-lbs (10 Nm).
Reconnect coil electrical connectors until they click.

Tips

Use ngk or Bosch plugs—these engines are sensitive to plug brand and heat range.
997.1 uses different plugs than 997.2—verify correct part number.
Never install plugs in a hot engine—risk of stripping aluminum threads.
Gap is preset from factory—do not adjust unless specified.
If a plug feels difficult to remove, apply penetrating oil and try again rather than forcing.

Serpentine Belt Replacement

Easy 30-45 min $30-60

Replace the accessory drive belt and check the tensioner while it's off.

Interval Every 40,000-60,000 miles or 4 years

Cost (DIY) $30-60

Tools

Serpentine belt tool or 3/8" breaker bar
Flashlight
Belt routing diagram (photograph existing before removal)

Step by step

Open the rear deck lid and locate the accessory belt (visible from rear of engine compartment).
Take a photo or draw the belt routing before removal.
Locate the spring-loaded belt tensioner pulley.
Insert 3/8" breaker bar or serpentine belt tool into tensioner square hole.
Rotate tensioner clockwise to release belt tension.
While holding tensioner, slip belt off one of the pulleys.
Slowly release tensioner and remove belt completely.
Inspect tensioner and idler pulleys for wear, noise, or play.
Compare new belt to old belt to verify correct length and rib count.
Route new belt around all pulleys except tensioner, following diagram.
Rotate tensioner and slip belt over final pulley.
Release tensioner slowly and verify belt is properly seated in all grooves.
Start engine briefly and verify belt tracks correctly with no squealing.

Tips

Replace tensioner and idler pulley if over 80,000 miles or showing wear.
A squealing belt on startup usually indicates worn belt or tensioner.
Always verify belt is fully seated in all pulley grooves before starting.
Keep hands clear when releasing tensioner—significant spring pressure.
Some owners do this from underneath the car—personal preference.

Torque Specs

Values for common service jobs. Check the source listed for each table, and your own manual, before you torque anything critical.

Where these numbers come from

Engine

Component	Torque Spec	Notes
Spark Plugs	22 ft-lbs (30 Nm)	-
Ignition Coil Pack Bolts	7.5 ft-lbs (10 Nm)	-
Oil Drain Plug	37 ft-lbs (50 Nm)	Replace washer
Oil Filter Housing Cap (997.2)	19 ft-lbs (26 Nm)	-
Water Pump Bolts	7.5 ft-lbs (10 Nm)	-
Engine Carrier to Engine Bolts	34 ft-lbs (46 Nm)	-
Serpentine Belt Tensioner Pulley	44 ft-lbs (60 Nm)	-
Serpentine Belt Idler Pulley (Lower)	17 ft-lbs (23 Nm)	-
Catalytic Converter Bracket	17 ft-lbs (23 Nm)	-

Suspension

Component	Torque Spec	Notes
Wheel Lug Bolts	96-118 ft-lbs (130-160 Nm)	118 ft-lbs is revised spec; center-lock different
Front Strut Pinch Bolt	65 ft-lbs (85 Nm)	-
Front Lower Control Arm to Frame	89 ft-lbs (120 Nm)	-
Front Control Arm Ball Joint Nut	56 ft-lbs (76 Nm)	-
Front Thrust Arm to Frame	118 ft-lbs (160 Nm)	-
Front Strut Top Mount Nuts	23 ft-lbs (31 Nm)	-
Front Sway Bar Bracket Bolts	17 ft-lbs (23 Nm)	-
Rear Upper Control Arm Inner Bolt	81 ft-lbs (110 Nm)	-
Rear Control Arm Eccentric Bolts	74 ft-lbs (100 Nm)	-
Rear Toe Link Ball Joint Nut	56 ft-lbs (76 Nm)	-
Rear Sway Bar Drop Link Nuts	48 ft-lbs (65 Nm)	-
Engine Mount Bolts (Top)	23 ft-lbs (31 Nm)	-
Engine Mount Thru-Bolt Nut (Bottom)	63 ft-lbs (85 Nm)	-

Brakes

Component	Torque Spec	Notes
Front Caliper Mounting Bolts	63 ft-lbs (85 Nm)	Use new bolts
Rear Caliper Mounting Bolts	63 ft-lbs (85 Nm)	Use new bolts
Brake Rotor Screws	7.5 ft-lbs (10 Nm)	-
Brake Bleeder Screws	6-9 ft-lbs (8-12 Nm)	-
PCCB Caliper Bolts	74 ft-lbs (100 Nm)	Ceramic brake cars only

Parts & Suppliers

Where I'd shop for 997 parts: genuine, performance, used, and the specialists.

OEM Featured

FCP Euro

Lifetime replacement guarantee on everything they sell—excellent 997 coverage

Lifetime Warranty OE Quality

Free over $49 Lifetime

OEM Featured

Pelican Parts

Deep 997 parts catalog with tech articles for DIY repairs

OEM Parts Tech Articles DIY Support

Free over $99

OEM

Porsche Parts

Factory genuine Porsche parts direct from the manufacturer

Factory Original Genuine Porsche

Genuine OEM

OEM

Sunset Porsche Parts

Porsche dealer parts department with competitive pricing

OEM Dealer New Genuine Parts

Fast shipping

Performance Featured

LN Engineering

IMS bearing retrofits for the 997.1 (the 997.2 doesn't have one)

IMS Bearings Engine Components M97 Expert

Performance Featured

Fabspeed

Premium exhaust systems that unleash the 997's flat-six soundtrack

Exhaust Systems Performance Parts

Performance

Dundon Motorsports

Premium race-inspired exhaust systems for 997 GT cars and street builds

Exhaust GT Parts Race Parts

Performance

Softronic

ECU tuning to maximize power from the 997's engine

ECU Tuning Performance Software

Performance

Elephant Racing

Premium suspension components for street or track performance

Suspension Handling Kits Track Parts

Performance

JRZ Suspension

Professional-grade dampers for serious track use

Coilovers Race Suspension

General

AutohausAZ

Large selection of replacement parts at competitive prices

Replacement Parts Maintenance Items

Free over $99

General

ECS Tuning

Wide selection of OEM and aftermarket parts with detailed fitment data

OEM Parts Aftermarket Options

Free over $99

General

PartsGeek

Budget-friendly replacement parts for common maintenance items

Budget Parts Fast Shipping

Specialist Featured

SharkWerks

Performance shop with extensive 997 expertise—known for GT car builds

GT Models Engine Builds Performance

Specialist Featured

GMG Racing

Track-focused upgrades and complete race preparation for 997s

Track Parts Race Prep Full Builds

Specialist

Numeric Racing

Precision shifter assemblies that transform the 997 driving experience

Shifters Transmission Parts

Specialist

Rennkit

Known for LED lighting upgrades and OEM+ improvements for 997

LED Upgrades Lighting

Used/NOS Featured

Rennlist 997 Classifieds

Active 997 community with dedicated marketplace—the first place to look

997 Community Vetted Sellers

Used/NOS

6SpeedOnline Classifieds

Large enthusiast community with active 997 marketplace

Forum Marketplace Wide Selection

Used/NOS

eBay Motors

Global marketplace for used and NOS 997 parts

Used Parts NOS Global Sellers

Used/NOS

Car-Part.com

Search nationwide salvage yard inventory—good for body panels and glass

Salvage Parts Body Panels

Useful references

LN Engineering 997 Torque Book The definitive torque specification reference for all 997 work Pelican Parts Tech Articles Extensive library of 997 DIY articles with step-by-step instructions Durametric Diagnostic Diagnostic software for 997—dealer-level access to all modules

Community Resources

Where 997 owners hang out: forums, YouTube channels, and clubs worth your time.

Own a 997?

Track it in My Garage

Add your car and you get a 997 service schedule with intervals already filled in, a restoration tracker organized by system, and a log of every job and what it cost. It's free, and it's the same on your phone and your laptop.

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Porsche 997 911

Common Issues

IMS Bearing Failure (997.1 Only)

Estimated Repair Costs

Common Fixes

Common Parts

Same problem on other cars

Bore Scoring (997.1 M97 Engine)

Estimated Repair Costs

Common Fixes

Common Parts

PDK Transmission Issues (997.2)

Estimated Repair Costs

Common Fixes

Common Parts

PASM Suspension Failures

Estimated Repair Costs

Common Fixes

Common Parts

Coolant Pipe and Water Pump Failures

Estimated Repair Costs

Common Fixes

Common Parts

Direct Fuel Injection Carbon Buildup (997.2)

Estimated Repair Costs

Common Fixes

Common Parts

Rear Main Seal Leak (997.1)

Estimated Repair Costs

Common Fixes

Common Parts

Restoration Guides

Complete Suspension Refresh

Parts List

Tools

Step by step

Tips

Watch out

References

Rust Prevention and Inspection

Parts List

Tools

Step by step

Tips

Watch out

References

Electrical System Service

Parts List

Tools

Step by step

Tips

Watch out

References

Interior Restoration

Parts List

Tools

Step by step

Tips

Watch out

References

Coolant Pipe Pinning (997 Turbo, GT2, and GT3)

Parts List

Tools

Step by step

Tips

Watch out

References

DIY Maintenance

Oil Change

Tools

Step by step

Tips

Brake Pad Replacement

Tools

Step by step

Tips

Spark Plug Replacement

Tools

Step by step

Tips