(Revision A) No Start No Crank ? Starter Will Not Engage And There Are No Related Codes Or Concerns
full bulletin at NHTSA ↗2008 Jeep Liberty engine problems
severe 15 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
15
Recalls
0
Avg fix
$3,100
1crash
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Valve Body. These may cause over drive cycling.
full bulletin at NHTSA ↗NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ valve body for all Warranty (W), Mopar (M) and Mopar Vehicle Protection (F) claims.~ Assembly also includes Filter (52108325AA) and Gasket (52108332AA).~
full bulletin at NHTSA ↗Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. An EGR Block-Off Plate (53032739AA) must be ordered when installing this Long Block Assembly in a Non-EGR application. Unless, the EGR Block-Off Plate is being transferred from the old engine.
full bulletin at NHTSA ↗Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. An EGR Block-Off Plate (53032739AA) must be ordered when installing this Long Block Assembly in a Non-EGR application. Unless, the EGR Block-Off Plate is being transferred from the old engine.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2008 Liberty exhibits a pattern of engine and related system failures that owners say are widespread yet unresolved. Multiple owners report the engine loses power on hills—dropping from 65-70 mph down to 30-40 mph—and dealerships dismiss this as normal operation for a 4-cylinder engine carrying the vehicle's weight. Others describe sudden uncontrolled acceleration, engine stalling at various speeds that recurs even after fuel pump and fuse replacements, and rough hesitation that persists after torque converter replacement.
Electrical gremlins plague many examples: chronic battery drain requiring annual replacement, radio that won't sleep, flickering lights, and failed starter cranks. One owner documented seven separate electrical repairs over two years and found service bulletins for control module, TCM, and PCM replacements that dealerships refused to perform.
Water pump failures repeat even after replacement. Rocker arms detach from the passenger-side cylinder head—reportedly a known issue among independent shops. Heat shields crack and detach. One Liberty surged forward into a dealership building unprompted; another experienced spontaneous horn honking, wiper activation, and washer fluid discharge while driving at highway speed.
Owners report manufacturer refusal to cover repairs once warranty expired, even for component failures at low mileage like valve lifters at 40,000 miles.
Same Jeep Liberty engine reports on nearby years: 2005 · 2006 · 2010 · 2011
Failure modes owners describe
Power loss on hills / uphill acceleration failure
Vehicle loses significant power when climbing hills, dropping from highway speeds (65-70 mph) down to 30-40 mph. Dealership inspection found nothing wrong and told owner this is normal operation. Owner reports heavy traffic uphill driving becomes unsafe.
When: Highway driving, uphill grades
Symptoms owners cite: Speed drops drastically on hills; Engine unable to maintain power on inclines; Requires flooring accelerator to maintain speed (dangerous)
Repairs/costs cited: Dealership found no fault; no repair attempted. Mechanic mentioned 4-cylinder engine is undersized for vehicle weight.
Chronic electrical system drain / dead battery
Vehicle exhibits ongoing electrical drain that kills battery repeatedly, often annually. Radio fails to sleep properly, lights flicker, door locks malfunction, and radio cuts in and out. Problems worsen in cold weather. Multiple dealership visits and battery replacements have not resolved root cause despite service bulletins mentioning control module, wiper motor, TCM, and PCM replacements.
When: From day one; recurring throughout ownership; worse in cold weather
Symptoms owners cite: Battery goes dead frequently; Radio works intermittently; Lights flicker; Door lock electrical problems; No start conditions; Radio does not go to sleep
Codes mentioned: Power draw detected on radio
Repairs/costs cited: Battery replaced multiple times (annually). Radio replaced after draw test. Dealership claims intermittent electrical is common to Liberty but will not perform control module, wiper motor, TCM, or PCM replacements mentioned in service bulletins.
Recalls/TSBs owners mention: Dealership stated this is an intermittent problem known to Liberty models; no permanent fix applied despite service bulletins.
Unexpected electrical activation of horn, wipers, washer pump, accelerator at speed
Vehicle exhibited unexpected simultaneous activation of horn, front and rear wipers, and rear washer fluid dispenser while driving 55 mph at night without driver input. Fifteen minutes later, accelerator engaged with no engine response followed by all instrument panel warning lights illuminating. Failures reset independently. Occurred again twice when using remote key entry to access vehicle.
When: Approximately 38,000 miles
Symptoms owners cite: Horn sounds unexpectedly; Windshield wipers engage without input; Rear window washer pump activates without input; Accelerator engages with no engine power; All instrument panel warning lights illuminate; Failures occur again with remote key entry
Repairs/costs cited: Vehicle taken to authorized dealer but not diagnosed or repaired at time of complaint.
Sudden uncontrolled engine acceleration / stuck throttle
Engine began racing suddenly to 2500 RPM while vehicle was at a stop sign in neutral without driver touching accelerator. When tapping accelerator to unstick throttle, engine roared to 3500 RPM and held for 10-20 seconds before dropping back to normal idle. Owner frightened by incident and afraid to drive the vehicle.
When: Low mileage, clear weather conditions
Symptoms owners cite: Engine races to 2500 RPM at idle without driver input; Throttle appears stuck; Engine surges to 3500 RPM with light throttle input; RPM takes 10-20 seconds to return to normal
Engine stalling / no start with check engine light
Vehicle stalled when attempting to move from parked position and check engine light illuminated. Failures occurred while driving at various speeds, rendering vehicle inoperable. Independent mechanic replaced fuel pump and fuse panel three separate times, but failure recurred each time. Manufacturer referred complaint to NHTSA.
When: Approximately 100,000 miles
Symptoms owners cite: Vehicle stalls from parked position; Check engine light illuminates; Stalling occurs at various driving speeds; Vehicle inoperable
Codes mentioned: Manufacturer communication 10136536 (fuel system, gasoline)
Repairs/costs cited: Fuel pump replaced three times by independent mechanic; fuse panel replaced three times. Failures recurred after each repair.
Recalls/TSBs owners mention: Manufacturer referenced communication 10136536; directed owner to file NHTSA complaint rather than assist.
Heat shield detachment from engine / fuel injector failure
Heat shield became detached from engine and lodged against drivetrain, causing abnormal noise and check engine light. Independent mechanic diagnosed fuel injectors as needing replacement. Dealer stated vehicle not covered under recall and did not diagnose or repair.
When: 188,112 miles
Symptoms owners cite: Check engine indicator illuminated; Abnormal sound from vehicle; Heat shield visible detached underneath vehicle
Repairs/costs cited: Independent mechanic diagnosed fuel injectors needing replacement. Not repaired.
Recalls/TSBs owners mention: Dealer stated vehicle not included in recall; did not assist.
Rocker arm detachment from engine block
Rocker arm became detached from engine on passenger side due to a flaw in the cam design on that side. Owner reports this is a well-known problem among third-party mechanics and has seen multiple online complaints from other owners with the same issue. Manufacturer claimed no knowledge of the issue.
Symptoms owners cite: Rocker arm detaches from engine; Engine mechanical noise/failure likely
Recalls/TSBs owners mention: Manufacturer claimed no knowledge of the issue despite it being reportedly common among mechanics.
Unintended vehicle surge forward into building
While parking at dealership to have malfunction light checked, vehicle surged forward unexpectedly and struck the dealership building, causing concrete block damage, bumper damage, light damage, and fender damage. Driver-side airbag deployed. Owner's first experience with such incident.
Symptoms owners cite: Vehicle surges forward without driver input; Malfunction light on before incident; Airbag deployed
Repairs/costs cited: Vehicle currently being repaired; owner attempting to retrieve all sensors and parts.
Engine hesitation and rough running at steady speeds
Engine hesitates and runs rough when driving at steady 42 mph and attempting to accelerate. Dealership tech verified the concern and contacted engineers who advised torque converter replacement. Torque converter was replaced but the problem persisted unchanged. This is the second repair attempt in four months.
When: Shortly after purchase (November 2008), recurring through April 2009
Symptoms owners cite: Engine hesitation during acceleration; Rough running at steady speed; Occurs specifically at 42 mph
Repairs/costs cited: Torque converter replaced by dealership in April 2009 after initial diagnosis in January 2009. Problem recurred.
Repeated coolant system overheating / water pump failure
Vehicle overheated without warning while driving. Dealership diagnosed water pump needing replacement. After repair, failure recurred multiple times. Vehicle repaired an additional three times for the same issue. Manufacturer was notified.
When: Starting at approximately 42,976 miles
Symptoms owners cite: Vehicle overheats without warning
Repairs/costs cited: Water pump replaced; failure recurred multiple times requiring three additional repairs.
Recalls/TSBs owners mention: Manufacturer notified of repeated failure.
Rear heat shield fracture and detachment
Loud scraping noise detected while driving at 15 mph. Owner identified rear heat shield as fractured. Vehicle was not taken for repair or diagnosed professionally.
When: Approximately 91,000 miles
Symptoms owners cite: Loud scraping noise from vehicle; Rear heat shield fractured
Starter failure / no start condition with remote start issues
Starter sometimes cranks the engine but will not start, occurring with both remote start and key-start attempts. Security alarm also activates unexpectedly during remote start attempts. Owner notes other Liberty models with this and similar problems are covered by service bulletins, but his vehicle is not.
Symptoms owners cite: Starter cranks but engine does not start; Occurs with remote start and key start; Security alarm activates during remote start attempts
Recalls/TSBs owners mention: Other Liberty models with same issues covered by service bulletins; this vehicle not covered.
Power loss and rough engine running / oxygen sensor and TCM failure
Engine power dropped and vehicle ran rough, making it unable to pull into oncoming traffic safely. Dealership diagnosed the problem as requiring replacement of all four oxygen sensors and the transmission control module (TCM).
Symptoms owners cite: Power dropped significantly; Engine ran rough; Unable to accelerate safely into traffic
Repairs/costs cited: All four oxygen sensors and TCM required replacement per dealership diagnosis.
Valve lifter premature failure
Valve lifters in the 3.6L engine failed prematurely at 40,000 miles. Manufacturer refused to fix the problem because the vehicle had just exited the warranty period.
When: 40,000 miles
Symptoms owners cite: Valve lifters failed
Recalls/TSBs owners mention: Manufacturer refused repair due to vehicle being out of warranty.
Transmission cooler damage from lack of protection
Transmission cooler became damaged because there is no protective covering or shield around it. Owner attributes this to poor vehicle design.
Symptoms owners cite: Transmission cooler fractured/busted
Synthesized from 15 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had engine trouble with your 2008 Jeep Liberty?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2008 Jeep Liberty?
It's a meaningful issue. 15 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Across the 14 complaints that reported odometer mileage, most engine failures cluster between 23,042 and 91,000 miles, with the median around 42,976. A quarter of owners report trouble before 23,042; a quarter make it past 91,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2008/Jeep/Liberty.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.