JeepGrand Cherokee20086.1L/jeep/grand-cherokee/2008/6-1l/
WK platform

2008 Jeep Grand Cherokee — 6.1L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2008 Grand Cherokee 6.1L.

Body SUVEngine 6.1L

The 2008 Jeep Grand Cherokee 6.1L is a WK-platform SUV powered by a 6.1L engine that requires 7 quarts of 0W-40 API SM oil with a filter change. With 733 total owner complaints and 5 recalls, this model year sits below the 2014 peak of 2,369 complaints in the model’s 1993–2026 history, indicating a middling reliability record that researchers should weigh against the electrical system as the top trouble area.

Model year201020082006

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity7 qt w/ filterOEM · verified
Engine oil type0W-40 API SMOEM · verified
Lug nut torque95 ft-lbsOEM · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 94R · 730 Early CCA battery, OE oil filter 04884899AC. Note the factory fuel filter and cabin air filter are now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 94R · 730 Early CCAOEM · verified
Tire sizeP245-65R17OEM · verified
Wheel / rim7.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter04884899AC alt 04781452BF
Engine air filter05018777AC
Fuel filter05175429AB discontinued
Spark plugSPZFR6F11G alt SPFR8TE2AA
Battery04608719AD
Front wiper blades05139095AB
Serpentine belt05037542AA alt 04891587AB
Thermostat52028898AJ alt 68174083AA
Cabin air filter68535603AA discontinued

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length186.6 in
Overall width73.2 in
Overall height67.7 in
Wheelbase109.4 in
Curb weight4440 lb
Track (front / rear)61.8 / 61.8 in
Weight distribution (front / rear)54/46

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

No 2008 road test on record; the results below are same-engine tests from nearby model years, each shown under its own year.

4.4–4.9 sec0–60 mph (tested)quickest 4.40 sec — 2009 SRT8
420 hpHorsepower (as tested)
420 lb-ftTorque (as tested)
YearTrim / engine0–60¼ mileHPDrivetrain
2009SRT8 6.1L V84.40 sec13.20 sec420 hp4x4
2006SRT8 6.1L V84.50 sec13.20 sec420 hp4x4
2006SRT8 6.1L V84.60 sec13.20 sec420 hp4x4
2006SRT8 6.1L V84.80 sec13.50 sec420 hp4x4
2006SRT8 6.1L V84.90 sec13.50 sec420 hp4x4

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 7 qt w/ filter of 0W-40 API SM engine oil, SYNTHETIC · 75W-140 · GL-5 in the differential, DOT 3 brake fluid. Torque lug nuts to 95 ft-lbs. The firing order is 1-8-4-3-6-5-7-2. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Automatic Transmission FluidATF+4
Automatic Transmission Fluid Capacity5.3
Brake FluidDOT 3
Differential Gear OilSYNTHETIC · 75W-140 · GL-5
Differential Gear Oil Capacity4.4 Pints
Engine CoolantHOAT · MS9769
Engine CoolantHOAT · MS9769
Engine Oil0W-40 · API · MS-10725

Engine torques

Crankshaft Pulley and/or Damper Bolts129 ft-lbs
Crankshaft Pulley and/or Damper Bolts129 ft-lbs
Engine Flywheel Bolts70 ft-lbs
Intake Manifold to Engine Bolts10 ft-lbs
Exhaust Manifold to Cylinder Head Bolts22 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs21 ft-lbs

Chassis torques

Lug Nuts95 ft-lbs
Transfer Case Fill PlugSteel case: 35.0, Aluminum case: 18.0 ft-lbs
Transfer Case Drain PlugSteel case: 35.0, Aluminum case: 18.0 ft-lbs
Front Wheel Hub100 ft-lbs

Ignition

Cylinder Firing Order1-8-4-3-6-5-7-2

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.50 lbs
Oil GroupPAG
Oil Type46
Oil Capacity4.40 oz
Standard BCI Group Number94R
Standard BCI Cranking Performance730 Early cca
Optional BCI Group Number94R

Service checks

Regulated Fuel System Pressure (With Vacuum)56-60 psi
Injector Primary Resistance11.4-12.6 @ 68 degreesF ohms
Engine Compression100
Engine Compression100 Minimum psi
Intake Valve LashHydraulic in
Exhaust Valve LashHydraulic in

Brakes

Torque Caliper to Bracket32 ft-lbs
Torque to Knuckle125 ft-lbs
Torque to Knuckle140 ft-lbs / 185 ft-lbs
Minimum Pad Thickness0.040 in
Minimum Shoe Thickness0.040 in
Rotor Max Parallel Variation0.00035 in
Rotor Runout Limit0.002 in / 0.001 in
Rotor Minimum Machining1.122 in / 0.492 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
133 ft. lbs., Step 2: 6033 ft. lbs
Cylinder Head — tightening sequence 5 stages

Prep Do not coat bolt threads or heads with lubricant.

1Bolts 1-844 ft. lbs
2Bolts 9and1015 ft. lbs
3Bolts 1-890 degrees
4Bolts 9and1015 ft. lbs
5Bolts 1-890 degrees

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the spark plugs at 102,000 mi.

Every 6,000 miBrake Line (inspect) · Exhaust System (Complete) (inspect)
Every 30,000 miAccessory Drive Belt (inspect) · Engine Air Filter Element (inspect)
At 60,000 miAccessory Drive Belt (inspect)
At 102,000 miSpark Plugs (replace)
At 120,000 miTransmission Filter (replace)

Owner how-tos

Condensed service procedures for routine maintenance. Procedures that require dealer diagnostic equipment are identified and summarized only.

Common procedures

Key fob — remote (RKE) programming programming new fob buttons Dealer tool OEM · verified
Tool requiredDRBIII scan tool (dealer / locksmith)
WhyTransmitter codes are written into the receiver in the passenger door module
Anti-theft (SKIS) — module initialization after immobilizer module replacement Dealer tool OEM · verified
When neededAfter Sentry Key Immobilizer Module (SKIM) replacement
Tool requiredDRBIII scan tool
Also requiredThe vehicle's four-digit PIN code

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 2008 Jeep Grand Cherokee sits in the latter half of the 2005–2010 generation’s downward trajectory, recording 733 complaints, 5 recalls, and 0 investigations—a continued decline from 2007’s 1,108 complaints and 7 recalls, though still above the 2009–2010 low of 117–138 complaints. Across that generation, complaints fell annually from a 2005 peak of 2,051 to 117 in 2010, while recalls remained in the single digits, placing 2008 within a steady federal-reporting descent rather than an anomalous spike. The data shows electrical system complaints dominated the 2008 record at 340 filings, though the federal data does not specify a root cause for that concentration. Crash and fire complaints numbered 23 and 5 respectively, representing a moderate share of the model year’s total reported volume. Given its position on the declining slope of the generation’s complaint curve and its markedly lower federal footprint relative to 2005–2007, the 2008 Grand Cherokee stands as one of the more favorable years of this generation to buy.

5
Open recalls
NHTSA campaigns
62
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
733
Owner complaints
23 involved a crash · 5 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★

Owner complaints filed with NHTSA, by component

All 733 complaints on record, top 8 components.

Electrical System340
Engine41
Power Train34
Electrical System,Engine28
Engine & Engine Cooling24
Power Train,Electrical System21
Air Bags20
Tires19

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 5 campaigns on record for this vehicle.

14V567000Electrical System:IgnitionReported 17/09/2014

Chrysler Group LLC (Chrysler) is recalling certain model year 2008 Chrysler 300 vehicles manufactured May 31, 2007, to May 12, 2008, Dodge Magnum vehicles manufactured May 23, 2007, to May 12, 2008, Dodge Charger… Remedy: Chrysler will notify owners, and dealers will replace the ignition switch and key FOBs, free of charge. The recall began August 19, 2015. Owners may contact Chrysler customer…

13V175000Power Train:Transfer Case (4-Wheel Drive)Reported 07/05/2013

Chrysler Group LLC (Chrysler) is recalling certain model year 2005-2010 Jeep Grand Cherokee vehicles manufactured February 11, 2004, through March 9, 2010; and 2006-2010 Jeep Commander vehicles manufactured January 31… Remedy: Chrysler will notify owners, and dealers will reflash the final drive controller which governs the transfer case, with new software, free of charge. The recall began on August 15…

Technical service bulletins NHTSA · verified

Showing 5 of 62 bulletins on record with NHTSA.

BulletinDateComponentSummary
91006452025-08-15Unknown Or OtherVerify Reman part number availability. Order the "R" part number for all orders…
1012322024-10-29Power TrainPlate - Planetary
91002262023-09-15Electrical SystemConnector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar…
91002262023-09-15Electrical SystemConnector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar…
90040092021-04-07Power TrainTransmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Grand Cherokee. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 2008 Grand Cherokee 6.1L take?

7 qt w/ filter of 0W-40 API SM MEETING CHRYSLER SPECIFICATION MS-10725, per the factory manual.

Does the 2008 Grand Cherokee have open recalls?

NHTSA lists 5 recall campaign(s) for this model year. Check your specific vehicle by VIN.