Timing belt/tensioner resulting in loud noises. Already replaced once at 100k now recurring at 148k.
2007 Honda Pilot engine problems
moderate 16 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
16
Recalls
0
Avg fix
$3,100
What stands out
No new NHTSA engine complaint has been filed on this vehicle in over 6 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: The 2007 Pilot has a pattern of critical electrical cutouts, sporadic stalling that dealers can't diagnose, serious cooling system failures with no warning, and recurring transmission/engine issues even after repairs. Condenser damage from road debris is common due to open grille design, and once out of warranty, Honda provides minimal support for many failures.
The 2007 Pilot shows a troubling cluster of engine and electrical failures. Most serious: multiple owners report sudden complete electrical shutdown while driving at highway speeds—engine dies, all dash lights go out, brakes lose assist, windows won't operate. One owner experienced this at 60 mph on the Massachusetts Pike; power returned on its own after 10 minutes. Dealers cannot consistently identify or fix sporadic stalling that occurs with no warning light, even after five visits and sensor replacements.
Cooling system failures are severe and underdocumented: one owner's engine reached 285°F with zero gauge warning before the head gasket blew, coolant mixed with oil, radiator cracked. Another owner smelled gasoline and heard a loud cooling fan the night before catastrophic failure.
There's a manufacturing defect pattern: an improperly clamped rear AC hose punctured and leaked antifreeze throughout the cabin; oil leaked through engine block casting itself requiring full block replacement; a spark plug blew out of its housing. The A/C condenser regularly suffers road debris damage—Honda's open grille design leaves it unprotected. Timing belt/tensioner components fail and recur.
Low oil pressure causes valve lifter damage and VTEC solenoid failure producing check engine and VSA warnings with power loss. Transmission contains metal debris. Once out of warranty—which kicks in quick on these—Honda provides repair only "out of courtesy" with no guarantee against recurrence, and denies reimbursement for non-dealer repairs even when the defect is manufacturing-related.
Same Honda Pilot engine reports on nearby years: 2005 · 2006 · 2008 · 2009 · 2010
Failure modes owners describe
Complete engine and electrical shutdown
Engine stalls without warning while driving; all electrical systems (dash lights, navigation, power windows, emergency signals) and brake power assistance go out simultaneously. Power returns on its own after several minutes. Mechanic attributed to battery cable issue.
When: 18 months/40,000 miles; occurred during highway driving at 60 mph
Symptoms owners cite: sudden complete power loss; engine dies without warning; all dashboard lights go out; brake and accelerator unresponsive; navigation/windows inoperative; power returns spontaneously after ~10 minutes
Repairs/costs cited: Mechanic suspected battery cable problem; Honda dealership performed repair 'out of courtesy' after vehicle was out of warranty
Recalls/TSBs owners mention: Honda case manager said fix would be provided out of courtesy only; no warranty coverage; no guarantee against recurrence
Sporadic engine stalling while driving
Engine stalls unpredictably during motion without warning lights. Occurs multiple times over vehicle life. Dealership unable to duplicate or identify root cause despite multiple visits and sensor replacements.
When: As early as 5 days old; multiple occurrences during highway driving, toll booth passages, express routes, turns, and traffic lights; one case at 485 miles
Symptoms owners cite: random engine stall during motion; no warning light illumination; stalls on highway, during turns, at traffic lights; engine restarts normally after stall; no pattern identified
Repairs/costs cited: Sensors replaced twice; computer system reset; no permanent resolution after five dealer visits
Blown head gasket and coolant system failure
Engine overheats to extreme temperatures (285°F) with no gauge warning. Coolant and oil mix, radiator cracks, hoses fail. Engine dies on short drives with prior smell of gasoline and excessively loud cooling fan.
When: On short drive approximately 1 mile from home; radiator reached 285 degrees
Symptoms owners cite: engine choke and stall while driving; all warning lights illuminate; coolant mixed in oil, oil in coolant; strong gasoline smell night before; extremely loud engine cooling fan; greenish-brown fluid on engine and driveway
Repairs/costs cited: Blown head gasket, cracked radiator, both hoses required replacement
Oil leaking through engine block casting
Oil seeps from engine block casting itself. Dealership initially misdiagnosed as oil pan plug leak, then identified manufacturer defect in block casting.
When: 5,000 miles
Symptoms owners cite: oil leaking from engine block casting
Repairs/costs cited: Engine block replaced by dealer due to manufacturer defect
Worn timing chain tensioner causing loose timing chain
Timing chain tensioner develops leak, causing chain to become loose. Produces audible noise and requires tensioner replacement.
When: 73,000 miles
Symptoms owners cite: loose timing chain; audible noise from timing system
Repairs/costs cited: Timing chain tensioner replaced at independent mechanic
Timing belt/tensioner recurring failure
Timing belt or tensioner produces loud noise and requires replacement; issue recurs at higher mileage despite prior repair.
When: First replacement at 100,000 miles; recurrence at 148,000 miles
Symptoms owners cite: loud noises from timing system; timing belt/tensioner degradation
Repairs/costs cited: Replaced once at 100k; same failure recurring at 148k
Damaged A/C condenser from road debris impact
A/C condenser develops hole from impact with road debris (rock or pebble). Open front grille design exposes unprotected condenser coil to debris strike risk. Similar pattern reported across Honda lineup (prior class action involved 2004-2007 Odyssey with same design flaw).
When: 14 months old with 2,200 miles; at 2,200 miles on another vehicle
Symptoms owners cite: A/C blowing hot air; hole in condenser coil; white smoke under hood from condenser damage
Repairs/costs cited: Condenser replacement quoted at $700+; one vehicle owner paid towing; dealership covered part and labor after complaint to corporate
Recalls/TSBs owners mention: Honda initially denied warranty coverage citing 'foreign object' damage; after corporate complaint, Honda paid for part; dealership paid for labor on one case. On another case, Honda Care website showed coverage but was not honored initially.
A/C compressor broken from road debris
A/C compressor fails and is diagnosed as broken due to road debris impact. Owner attributes failure to large grille openings allowing debris penetration.
When: 14 months old
Symptoms owners cite: A/C quit working; broken compressor
Repairs/costs cited: Compressor replaced at cost of $600 to owner, not covered by warranty
Recalls/TSBs owners mention: Honda offered no options or solutions
Rear AC/heating hose puncture from improper factory clamp placement
Factory placed clamp over hose body rather than over nozzle connection, causing hose puncture and antifreeze leakage throughout vehicle flooring. Issue is manufacturing defect from improper assembly.
When: 53,000 miles (beyond 36,000 mile warranty)
Symptoms owners cite: strong antifreeze odor; no gauge indication of overheating; antifreeze leaking; hose punctured
Repairs/costs cited: Service repairs $450; additional cost to replace antifreeze-soaked carpet and clean residue. Initially misdiagnosed as heater core problem before disassembly revealed clamp placement issue.
Recalls/TSBs owners mention: American Honda rejected reimbursement claim because repair was not performed at Honda dealership
Spark plug blow-out from engine housing
Original equipment spark plug blows out of housing causing pressure loss. Requires manifold replacement. Indicates potential defect in spark plug seating or engine casting.
When: 2009 (approximately 2 years after 2007 model year purchase); original OEM plugs
Symptoms owners cite: spark plug blows out of housing; pressure loss
Repairs/costs cited: Top manifold replacement cost $3,500; Honda offered to pay half ($1,750). Owner later had pistons repaired elsewhere despite Honda claiming issue was fixed.
Recalls/TSBs owners mention: Honda paid half of $3,500 manifold replacement cost
Low oil pressure, damaged valve lifter, and VTEC solenoid failure
Low oil pressure causes valve lifter damage and VTEC solenoid failure. Preceded by misfire across all cylinders. Produces check engine light, VSA warning, and loss of power. Issue recurs despite prior repairs claiming to fix root cause.
When: 3 weeks before complaint; prior misfiring diagnosis; related to earlier spark plug and manifold issues
Symptoms owners cite: check engine light; VSA and warning triangle illumination; loss of power; misfiring on all cylinders; low oil pressure; damaged valve lifter; bleed-back from lifter
Codes mentioned: TS1145 Variable Camshaft Timing Solenoid
Repairs/costs cited: VTEC solenoid replacement cost $736; corrected oil pressure issues noted but still getting bleed-back from one lifter; issue persists
Engine misfiring and head gasket failure after repair
Engine misfires and blows head gasket, head, and motor while driving on interstate. Failure occurs after $2,600 repair work performed by shop, with repair estimate now at $6,000 for additional damage.
When: While driving on I-40 East after prior repair shop work
Symptoms owners cite: misfiring; blown head gasket; blown head; motor failure
Repairs/costs cited: Prior repair shop performed $2,600 work; subsequent failure requires estimated $6,000 repair
Transmission failure with metal debris
Transmission contains excessive metal debris inside. Vehicle slows and stops when transmission temperature light illuminates. Indicates internal transmission damage or wear.
When: During normal driving on one-way street; vehicle 1 minute from destination
Symptoms owners cite: A/T Temp warning light illumination; car slows then stops; metal pieces inside transmission
Repairs/costs cited: Mechanic diagnosed excessive metal debris inside transmission
Engine side motor mount failure and oil leak
Engine side motor mount fails, causing oil leak onto vehicle frame. Mount degradation allows excessive engine movement.
When: <UNKNOWN>
Symptoms owners cite: engine side motor mount failed; oil leaking on vehicle frame
Heavy bass engine noise and automatic noise control unit failure
Engine produces heavy bass-sounding noise without stalling or hesitation. Automatic noise control unit requires replacement.
When: 27,000 miles
Symptoms owners cite: heavy bass sounding engine noise
Repairs/costs cited: Automatic noise control unit replaced
Synthesized from 16 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Had engine trouble with your 2007 Honda Pilot?
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 2007 Honda Pilot?
It's a documented issue but not catastrophic. 16 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Across the 12 complaints that reported odometer mileage, most engine failures cluster between 28,000 and 73,000 miles, with the median around 53,000. A quarter of owners report trouble before 28,000; a quarter make it past 73,000. 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/2007/Honda/Pilot.
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.