Valve Body. These may cause over drive cycling.
full bulletin at NHTSA ↗2005 Chrysler PT Cruiser engine problems
severe 35 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Owners have filed 35 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 6 model years of Chrysler PT Cruiser in our records for engine problems, this one ranks #3 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ 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 ↗Part Description: Valve Body Assembly Issue Description: Valve body design was changed between 2010MY and 2011MY applications. To prevent mix matching valve bodies and solenoid packs the connectors are color coded.~ Valve bodies with a white connector can be used on 2010, 2009, 2008..., model years. Valve bodies with a gray connector can only be used on 2011, 2012, 2013..., model years.~ Solenoid packs with a white connector are used with 2010, 2009, 2008..., model years. Solenoid packs with a gray connector are used with 2011, 2012, 2013..., model years.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2005 PT Cruiser's 2.4L engine is plagued by multiple recurring failures. Most severe are sudden power loss at highway speed with total electrical shutdown, forcing owners to coast and brake manually—a critical safety hazard. Dealers across the country say they cannot diagnose or fix this, and one owner's vehicle stalled 18 separate times before being parked permanently.
Thrust bearing failure is endemic. The bearing collapses, allowing the crankshaft to shift and punch out the crank oil seal, dumping oil rapidly. Owners replace the seal only to have oil pour out again within 15 miles. One mechanic found the design installs the thrust bearing on the top half only—a flaw Chrysler apparently accepts. At low mileage, this can cause engine seizure at highway speed if oil drains before the driver notices.
Excessive oil consumption happens across the board: half a quart per week, a quart per 1,000 miles, or worse. Camshaft seals, oil pan gaskets, valve seals, and crank seals leak persistently. Multiple repairs to the same car fail to stop recurrence. One shop told an owner the gasket would fail again in 3–6 months after replacement.
Rough idle, stalling, and loss of acceleration plague many vehicles from early ownership onward. Camshaft sensors fail repeatedly—every 2–3 months in one case. Engine check lights stay on. Dealers replace PCM modules, spark plugs, and wiring twice with no cure.
Two vehicles caught fire post-shutdown or after service. One owner lost complete brakes and cruise control surge to 115 mph, unable to turn off the key. Water entry through the air intake during a shallow puddle crossing caused total engine seizure and $5,000 damage. Timing belts fail at low mileage. Oil cooler lines rupture from minimal underbody contact. For a 20-year-old car, the cost and frequency of failure demand inspection by a trusted independent mechanic before purchase.
Same Chrysler PT Cruiser engine reports on nearby years: 2006 · 2007
Failure modes owners describe
Rough Idle, Stalling, and Loss of Power While Driving
Engine shakes, stumbles, or cuts off entirely at idle and under acceleration. Owners report loss of all power on highways at speed with steering and brakes becoming difficult or impossible. Multiple dealers unable to diagnose. Some vehicles experienced repeated stalling incidents.
When: From early ownership (180 miles to 12,000 miles) through higher mileages; recurring throughout vehicle lifespan
Symptoms owners cite: Engine shaking and puttering at idle and while driving; Complete loss of power while at highway speed; Check engine light illumination; Engine stalling without warning; Hesitation and loss of acceleration; Rough idle and stumble on acceleration
Codes mentioned: Crankshaft position sensor fault, Camshaft position sensor fault, PCM module failure, Electrical system shutdown
Repairs/costs cited: Multiple sensor replacements (cam sensors replaced 3+ times in some cases); PCM module replaced twice in one case; spark plugs and wiring replaced; no permanent fix achieved in most cases
Recalls/TSBs owners mention: No recalls issued despite multiple complaints; dealerships unable to replicate or fix; one dealership declined to service vehicle after six attempts over 12 weeks
Crankshaft Thrust Bearing Failure with Oil Seal Ejection
Thrust bearing fails allowing crankshaft to shift laterally, forcing out the crank oil seal and causing catastrophic oil loss. Owners report seal leaks recurring immediately after replacement. Occurs at low mileage (as early as 3,541 miles). Can result in engine seizing if oil loss occurs at highway speed.
When: Early in ownership (3,500-70,000 miles); thrust bearing failure leads to immediate seal failure
Symptoms owners cite: Sudden massive oil leak from front of engine; Oil knocking in engine; Steady stream of oil from crankshaft seal area; Oil light illumination; Puddle of oil under parked vehicle; Seal leaks resuming within 15 miles of replacement
Codes mentioned: Low oil pressure, Thrust bearing wear detected on teardown
Repairs/costs cited: Seal replacement ineffective; requires crankshaft end-play measurement and thrust bearing inspection and replacement; one owner reported $1,400–$1,800 engine replacement cost; multiple owners report shop labor for diagnosis and bearing/seal replacement
Recalls/TSBs owners mention: One owner reached manufacturer by phone and was told someone would call back in 24–48 hours (no resolution documented); Design appears to install thrust bearing on top half only, avoiding manufacturer responsibility for design flaw
Excessive Oil Consumption and Leaks
Engine consumes and/or leaks oil at abnormal rates. Owners add quarts between service intervals. Multiple leak points identified including oil pan gasket, camshaft seals, front crank seal, and valve seals. In some cases, oil leaks onto spark plugs and other components.
When: From early ownership onward; can occur at any mileage but often within first few years
Symptoms owners cite: Oil light illumination; Oil consumption between service intervals (1/2 quart per week to 1 quart per 1,000 miles); Visible oil leaks under vehicle or from engine compartment; Burning oil smell while driving; Oil level dropping rapidly even after topping off
Repairs/costs cited: Multiple repairs required: oil pan gasket replacement; camshaft seal replacement; front and rear crank seal replacement; valve seal repair; short block replacement in one case; repairs often require multiple shop visits and extended time in service (one week or more per visit); repeated repairs fail to resolve issue permanently (3–6 month recurrence cited)
Recalls/TSBs owners mention: Dealer claimed excessive oil consumption normal in first month or up to one year; Chrysler allegedly told customer consumption acceptable until reaching 1 quart per 500 miles; one dealership cited manufacturing defect and waived labor but parts still required; manufacturer aware but no recall issued
Electrical System Failure Causing Engine Shutdown
Entire electrical system fails intermittently while driving, causing engine to die. Vehicle becomes extremely difficult to steer and nearly impossible to brake during failure. Power returns after seconds to minutes. Occurs unpredictably at highway speeds.
When: Early ownership (12,000 miles) through 68,000+ miles; occurs intermittently and repeatedly
Symptoms owners cite: Complete loss of all electrical power while driving; Engine shuts off without warning; Power returns after brief interval; Severe steering difficulty during power loss; Brakes become nearly impossible to apply; Repeated occurrences on same vehicle (18+ times in one case)
Codes mentioned: Electrical system fault, Alternator failure (in one case)
Repairs/costs cited: Dealership attempted four separate repair attempts over multiple weeks with no success; alternator replacement and battery installation did not resolve issue; dealer stated lack of manpower to drive vehicle 100–200 miles to replicate problem
Recalls/TSBs owners mention: Dealership stated they were following Daimler Chrysler direction only; dealer offered replacement vehicle but refused to buy back original; dealer stated no confidence in ability to fix problem; no recall issued
Timing Belt Failure
Timing belt fails while driving at highway speed, causing loss of engine control and potential for crash. Owner stated belt failure occurred despite regular maintenance.
When: At 55,805 miles
Symptoms owners cite: Complete engine failure at highway speed; Loss of vehicle control
Repairs/costs cited: Timing belt replacement required; dealer stated warranty covers only 3 years/36,000 miles; owner responsible for repair costs
Recalls/TSBs owners mention: Warranty declined at 55,805 miles (outside 36,000-mile limit); no recall issued
Engine Overheating
Engine overheats during idle or normal driving. Temperature gauge rises above halfway point. Owners report spending hundreds of dollars with no diagnosis. Multiple independent mechanics and dealership unable to identify root cause.
When: At various mileages (64,000 to 69,000+ miles documented); also reported at idle
Symptoms owners cite: Temperature gauge rising above normal; Engine overheating; Cooling system malfunction
Repairs/costs cited: Fan replacement attempted; thermostat replacement attempted; radiator fluid leak repair; coolant sensor and sensor plug replacement; no permanent fix in most cases; one owner reports spending $700 with diagnosis unresolved
Recalls/TSBs owners mention: Dealer replaced fan and thermostat with no lasting resolution; no recall issued
Camshaft Seal Failure with Sequential Bearing Damage
Camshaft seal fails causing oil leak. Repair of seal leads to discovery of failed thrust bearing and damaged crankshaft thrust face. Seal failure recurs shortly after replacement.
When: At 66,000 miles in documented case; occurs across multiple vehicles
Symptoms owners cite: Rapid oil loss (4–6 quarts within hours of topping off); Oil light illumination; Oil leaking from engine area
Repairs/costs cited: Camshaft seal replacement; subsequent oil leak after repair; mechanic inspection revealed failed thrust bearing requiring further inspection and repair; dealer recommended thrust bearing inspection
Recalls/TSBs owners mention: Dealer suggested thrust bearing inspection; manufacturer was contacted and said someone would call back in 24–48 hours (no resolution documented)
Acceleration Surge and Uncontrollable Speed
After cruise control repair and alternator replacement, vehicle suddenly accelerated to 115+ mph uncontrollably. Brakes failed. Key would not turn off. Owner pulled e-brake and put car into neutral then park to stop vehicle.
When: Post-alternator and battery replacement
Symptoms owners cite: Cruise control malfunction causing uncontrollable acceleration to 115+ mph; Complete brake failure; Key unable to turn off vehicle; Engine continuing to run after shift to park
Repairs/costs cited: Vehicle eventually stopped via emergency brake and shifting to neutral and park; not documented as repaired
Recalls/TSBs owners mention: No response documented
Defective Catalytic Converter or Engine Management Issue with Repeated Sensor Failures
Camshaft position sensor fails repeatedly, requiring replacement every 2–3 months. Mechanics report this is abnormal. Engine stalls in traffic and on city streets with check engine light. Owner concerned about safety with children in car.
When: Occurring every 2–3 months over extended period
Symptoms owners cite: Check engine light illumination; Engine stalling at traffic lights and stops; Loss of acceleration; Engine hesitation
Codes mentioned: Camshaft position sensor fault
Repairs/costs cited: Camshaft sensor replaced 3+ times within months; parts store (Advance Auto) noted abnormality in replacement frequency
Recalls/TSBs owners mention: No manufacturer response documented
Oil Cooler Line Rupture and Engine Seizure
Oil cooler line ruptured under the oil pan causing catastrophic oil loss and engine seizure. Failed shortly after vehicle purchase (within one month). Engine became unusable.
When: One month after purchase (at low mileage)
Symptoms owners cite: Engine knocking sound; Motor seized; Oil pressure loss
Repairs/costs cited: Engine replacement required; repair cost $1,400–$1,800; vehicle purchased for $3,800
Recalls/TSBs owners mention: No response documented
Engine Fire
Engine caught fire approximately 10 minutes after vehicle was turned off and parked. Fire was small and extinguished by passerby and fire department. In another case, engine fire occurred two days after service.
When: Post-shutdown in first case; 2 days after service in second case
Symptoms owners cite: Smoke and flames under front driver's side of vehicle; Fire originating from engine area
Repairs/costs cited: Vehicles destroyed; causes not determined
Recalls/TSBs owners mention: No response documented in either case
Broken Gas Pedal and Transmission Flexplate Issues
Gas pedal broke and became stuck against mat, preventing engine rev. In another case, starter and flexplate required replacement.
When: At 68,296 miles (gas pedal); earlier timeline for starter/flexplate
Symptoms owners cite: Gas pedal stuck against floor mat; Engine unable to rev; Noise when starting and stopping
Repairs/costs cited: Gas pedal replacement; starter and flexplate replacement; motor mount bolt broken and motor mount replacement also required
Recalls/TSBs owners mention: No response documented
Water Intrusion into Air Intake Causing Engine Seizure
A few drops of water from wheel entered air intake during slow right turn through shallow puddle. Engine immediately seized. Caused $5,000 in damage with no accident involved.
When: At low vehicle speed during routine turn through puddle
Symptoms owners cite: Engine immediate seizure; Catastrophic engine damage
Repairs/costs cited: $5,000 repair job required
Recalls/TSBs owners mention: No response documented
Oil Cooler Damage from Minor Underbody Scrape
Going over speed bump caused minor underbody scrape damaging oil cooler. Hole in cooler fins from bent fins. Repair expensive due to Chrysler changing part styling; new part should be installed in different location for better protection.
When: During normal driving over speed bump
Symptoms owners cite: Radiator fluid leak under vehicle; Hole in oil cooler from bent fins
Repairs/costs cited: Oil cooler replacement required; repair described as quite expensive; new part has different design from original
Recalls/TSBs owners mention: No response documented; should be recall-covered repair per owner
Motor Mount Bolt Failure
Motor mount bolt broken requiring replacement along with motor mount itself. Dealership deemed vehicle unsafe to drive and refused to test drive it.
When: Discovered during service visit around 68,000 miles
Symptoms owners cite: Broken motor mount bolt; Motor mount failure
Repairs/costs cited: Motor mount and bolt replacement required; dealership refused test drive after repair due to safety concerns
Recalls/TSBs owners mention: No response documented
Synthesized from 35 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Dt: the contact states while traveling at 50-55 MPH the vehicle stalled without warning. The vehicle was taken to the dealership, they stated the problem was with the turbo and it was repaired. However, the vehicle was flooded by hurricane wilma and was totaled. *ak
Common questions
How serious is the engine problem on the 2005 Chrysler PT Cruiser?
It's a meaningful issue. 35 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 24 complaints that reported odometer mileage, most engine failures cluster between 39,856 and 82,000 miles, with the median around 64,040. A quarter of owners report trouble before 39,856; a quarter make it past 82,000. 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.