2005–2009 Chevrolet Equinox: what to inspect before you bid at auction

Before you bid: what to have checked

Issues documented for this generation. They are patterns for the model, not findings about any specific car, and many depend on the engine, mileage and service history. Confirm on the unit you are bidding on.

• Owner-reported head gasket failure on the 3.4L V6: coolant loss, overheating, white smoke, sometimes engine damage; owners also report intake gasket leaks alongside it commonly reported
  System: Engine (major) · Applies to: 3.4L V6 / AF33-5 · Documented around: about 73,000-98,000 mi (carcomplaints.com averages for the three 2005 head-gasket problem pages)
  Reported signs: losing antifreeze but can't find where; engine overheated and stalled; major overheating; water noise in dash
  Source: NHTSA complaints API keyword matches (pulled 2026-10-19; case-insensitive search of complaint text, not confirmed failures): 95 complaints have text matching 'head gasket' (58 for MY2005, 22 for 2006, 11 for 2007, 4 for 2008). carcomplaints.com ranks head gaskets as the #1, #2 and #3 worst 2005 Equinox problems (Head Gaskets Blew: 30 reports, $2,320 typical, 73,550 mi; Head Gaskets Leaking: 16 reports, $1,930; Blown Head Gasket: 17 reports, $2,280, 98,400 mi). We found no GM recall or special coverage; repairs were covered under GM's standard new-vehicle warranty (bumper-to-bumper and powertrain coverage; terms by model year are in the warranty booklet) within its terms
• Heater blows only cold air, defroster won't clear the windshield; HVAC temperature blend door or its plastic shaft breaks commonly reported
  System: Climate system · Applies to: all · Documented around: about 79,000 mi avg (carcomplaints.com 2006); blend door broken avg about 103,000 mi
  Reported signs: heater only blows cold air; no heat coming from the vents; defroster does not work; windshield fogs up and won't clear; heat only works at idle
  Source: NHTSA complaints API keyword matches (pulled 2026-10-19) (case-insensitive keyword search of complaint text; matches are not confirmed failures): 145 complaints have text matching the 'blend door', 142 of them MY2006; many filed under VISIBILITY because the windshield can't be defrosted. carcomplaints.com ranks 'Heat Blows Out Cold Air' (avg $800, 79,000 mi) and 'Blend Door Broken' (avg $1,000, 103,000 mi) as the #1 and #3 worst 2006 problems. GM's later preliminary-information bulletin PIT5099 (HVAC blows warm air) lists 2005-2009
• Fuel odor or fuel dripping under the car from a cracked plastic supply/return port on the fuel pump module verified source
  System: Fuel system/emissions · Applies to: all · Documented around: about 93,000 mi avg (carcomplaints.com 2007 'Fuel Odor')
  Reported signs: strong gasoline smell inside the car; smell fuel after it's parked; fuel dripping on the ground under the tank; losing gas faster than normal
  Source: GM special coverage bulletin 12191/12191A (Feb/Jul 2013): some 2007-2009 Equinox may have a cracked fuel pump module port; dealers replace the module regardless of age or mileage. NHTSA recall 12V459000 (2007 Equinox originally sold or currently registered in Arizona, California, Nevada and Texas), consequence: "Fuel leakage in the presence of an ignition source may result in a fire." NHTSA complaints API keyword matches (pulled 2026-10-19; case-insensitive search, not confirmed failures): 143 MY2007 complaints have text matching a fuel pump or fuel smell/odor
• Ignition key can be removed when the ignition isn't off, or key sticks/won't turn; can let the vehicle roll if not in Park verified source
  System: Power equipment/accessories · Applies to: all · Documented around: varies · About: varies
  Reported signs: key stuck in the ignition; key won't turn; key falls out while driving; key comes out but car not in park
  Source: GM special coverage bulletin 14319/14319A (Jan/Apr 2015): some 2005-2006 Equinox ignition keys can be removed when not in Off; GM inspects and replaces the ignition cylinder plus two keys for the life of the vehicle. Separate 2005 recall 04V302000 (132 units): "AN IGNITION KEY PARK LOCK CABLE END FITTING WAS NOT FULLY SEATED ON THE AUTOMATIC TRANSMISSION SHIFTER NAIL HEAD DURING INSTALLATION." NHTSA complaints API keyword matches (pulled 2026-10-19; case-insensitive search, not confirmed failures): 105 complaints have text matching a stuck key or ignition switch/lock/cylinder (53 for 2005, 26 for 2006)
• Sudden loss of electric power steering assist, often with a 'Service Power Steering' or StabiliTrak message commonly reported
  System: Suspension/steering · Applies to: all · Documented around: varies · About: varies
  Reported signs: power steering stopped working while driving; steering suddenly very hard; service stabilitrak light on; no power steering, car will not start
  Source: NHTSA complaints API keyword matches (pulled 2026-10-19) (case-insensitive keyword search of complaint text; matches are not confirmed failures): 101 complaints have text matching power steering, 82 of them MY2007-2008. GM bulletins 4146 (2007, 'Service Power Steering' message, codes C0460/C0545) and 07-02-32-009 (2007-2008, power steering module codes) address related codes. No recall or NHTSA investigation for this generation was found in the data pulled
• Passenger airbag sensing fault: 'Service Air Bag' light, passenger airbag shows off with an adult in the seat verified source
  System: In-car electronics · Applies to: all · Documented around: varies · About: varies
  Reported signs: service passenger air bag message; airbag off light with an adult in the seat; airbag light turns on and off
  Source: NHTSA recall 07V344000 (2007, 437 units): "AN ERROR IN THE SEAT SENSOR CALIBRATION CAN CAUSE IT TO FAIL THIS TEST" (FMVSS 208 small-adult test); dealers reprogram the seat control unit. NHTSA complaints API keyword matches (pulled 2026-10-19; case-insensitive search, not confirmed failures): 154 complaints have text matching airbag lights or passenger airbag/presence sensing (79 for 2007, 61 for 2008, 14 for 2009), so complaints continue after the recall's model year
• Timing chain stretch on the 3.6L V6 (Sport): check engine light with cam/crank correlation codes and rattle (GM bulletin 12-06-01-009); owner reports describe engine damage in some cases verified source
  System: Engine (major) · Applies to: 3.6L V6 / 6T70 · Documented around: about 64,000-78,500 mi avg (carcomplaints.com 2008 and 2009)
  Reported signs: check engine light, code says timing chain; engine light came back after timing chain was replaced
  Source: GM bulletin 12-06-01-009 (revisions A-F, 2012-2015): High Feature V6 timing chain kits and guides for stretched chains setting DTCs P0008, P0009, P0016, P0017, P0018 and/or P0019, listed for 2008-2009 Equinox. NHTSA complaints API keyword matches (pulled 2026-10-19) (case-insensitive keyword search of complaint text; matches are not confirmed failures): 14 complaints have text matching the timing chain (11 for 2008, 3 for 2009). carcomplaints.com: #2 worst 2008 problem (avg $2,570, 64,350 mi) and #1 worst 2009 problem (avg $1,550, 78,500 mi)
• 6T70 transmission loss of 3rd, 5th and reverse from a cracked 3-5-reverse clutch wave plate (Sport), per GM special coverage 14404 verified source
  System: Transmission (major) · Applies to: 3.6L V6 / 6T70 · Documented around: about 84,000 mi avg (carcomplaints.com 2008)
  Reported signs: won't go into reverse; won't shift into 3rd gear; jerking into gear, especially reverse; service engine soon light with shifting problems
  Source: GM special coverage bulletin 14404/14404B (2015-2016): some 2008-2009 Equinox with the 6T70 may have a cracked wave plate causing loss of 3rd, 5th and reverse; Earlier GM bulletin 09-07-30-012B (harsh shift or no reverse, broken wave plate). carcomplaints.com: 2008 'Wave Plate Failure' avg $4,000, 84,350 mi Verify eligibility by VIN with the manufacturer.
• Rough running and 'Reduced Engine Power' message from a faulty throttle position sensor in the throttle body verified source
  System: Fuel system/emissions · Documented around: about 112,000 mi avg (carcomplaints.com 2009 'Engine Power Is Reduced') · About: varies
  Reported signs: reduced engine power message; car hesitated, slowed down, then lost power; check engine light and stabilitrak off
  Source: GM special coverage bulletin 14582/14582A (Sept/Oct 2015): on some 2008-2009 Equinox the throttle position sensor can cause rough running, check engine light and reduced power; carcomplaints.com 2009: 'Engine Power Is Reduced' avg $600, 112,000 mi Verify eligibility by VIN with the manufacturer.
• Engine stalls or shuts off while driving, sometimes won't restart; owners and techs point to ignition switch, PCM or theft-deterrent faults commonly reported
  System: Electrical/charging · Applies to: all · Documented around: about 75,000 mi avg (carcomplaints.com 2006) · About: varies
  Reported signs: vehicle stalls at random times; shut off while driving and will not restart; starts then stalls, security light on
  Source: NHTSA complaints API keyword matches (pulled 2026-10-19) (case-insensitive keyword search of complaint text; matches are not confirmed failures): 94 complaints have text matching stalling or shutting off while driving (38 for 2005, 26 for 2006). carcomplaints.com 2006 'Engine Shut Down While Driving': 14 reports, $3,500 typical, 75,350 mi, mostly no fix found. GM preliminary information PIC5650 (2007-2009 intermittent no crank/no start/start-stall with security light)
• ABS and traction control lights on, brakes pulsate or ABS activates at low speed when stopping (often a wheel speed sensor or hub) commonly reported
  System: Brakes · Applies to: all · Documented around: varies · About: varies
  Reported signs: abs and traction control light came on; brakes pulsate and won't stop; abs kicks in when coming to a stop
  Source: NHTSA complaints API keyword matches (pulled 2026-10-19) (case-insensitive keyword search of complaint text; matches are not confirmed failures): 66 complaints have text matching a speed sensor or ABS/traction control light (31 for 2005, 21 for 2006), e.g. ODI 11510082, 11395300, 11191949. No recall found
• Power door lock actuator failure: doors won't lock or unlock with the remote or switch commonly reported
  System: Body hardware · Applies to: all · Documented around: about 97,000 mi avg (carcomplaints.com 2008) · About: varies
  Source: carcomplaints.com 2008 'Power Door Lock Malfunction' (#1 worst 2008 problem): 9 reports, $900 typical, 97,450 mi, fix usually actuator replacement. NHTSA complaints API keyword matches (pulled 2026-10-19) (case-insensitive keyword search of complaint text; matches are not confirmed failures): 36 complaints have text matching door lock/actuator (23 for 2008)

Recon cost reference

Estimates from the sources shown, priced as of 2026-10-19. Your shop rate, parts sourcing and the car's actual condition decide the real number. These are not quotes.

Powertrains

Engine and transmission combinations documented for this generation. Which one a given car has can only be confirmed from the VIN or the car itself. Some items above apply only to certain powertrains.

• 3.4L LNJ pushrod V6 with Aisin AF33 5-speed automatic, FWD or AWD, model years 2005–2009
  Source: Wikipedia, Chevrolet Equinox article, First generation section and engines table (fetched 2026-10-18)
• 3.6L LY7 DOHC 'High Feature' V6 (Equinox Sport only) with GM 6T70 6-speed automatic, FWD or AWD, model years 2008–2009
  Source: Wikipedia, Chevrolet Equinox article, Sport trims section (fetched 2026-10-18); 6T70 fitment to 2008-2009 Equinox confirmed by GM special coverage bulletin 14404

NHTSA recalls: verify this VIN

A recall that applies to a model is not proof that a specific car has an open recall. Whether this VIN is affected, and whether the repair was done, is shown by NHTSA's VIN lookup. Check it before you bid.

NHTSA campaigns listed for this generation when it was researched (2026-10-19): 04V302000, 07V242000, 07V344000, 07V520000, 12V459000. The list may be out of date.

Manufacturer bulletins (TSBs)

Technical service bulletins are the manufacturer's own guidance to its dealers. A bulletin is not a recall and does not mean a repair is free. Coverage depends on the manufacturer's terms and the VIN.

• GM 14319 / 14319A (Jan/Apr 2015)
  Special coverage: ignition key can be removed when not in Off; replace ignition cylinder and two keys
  2005-2006 only. Covered for the life of the vehicle per the bulletin; have a dealer check the VIN
  Source: NHTSA document SB-10057264 (GM bulletin 14319A)
• GM 12191 / 12191A (Feb/Jul 2013)
  Special coverage: fuel odor or spotting on ground, replace fuel pump module
  2007-2009. Bulletin says dealers replace the module regardless of age or mileage; confirm VIN eligibility with a dealer
  Source: NHTSA document MC-10114178 (GM bulletin 12191A)
• GM 14404 / 14404B (Mar 2015/Aug 2016)
  Special coverage: 6T70 3-5-reverse clutch wave plate crack, loss of 3rd/5th/reverse
  Verify eligibility by VIN with the manufacturer.
  Source: NHTSA document MC-10126145 (GM bulletin 14404B) · applies to 3.6L V6 / 6T70
• GM 14582 / 14582A (Sep/Oct 2015)
  Special coverage: throttle position sensor, rough running and reduced power
  Verify eligibility by VIN with the manufacturer.
  Source: NHTSA document MC-10126406 (GM bulletin 14582A)
• GM 12-06-01-009 (rev. A-F, 2012-2015)
  High Feature V6 timing chain kits and guides for stretched chains (DTCs P0008, P0009, P0016-P0019)
  Repair information, not a coverage program
  Source: carcomplaints.com 2008/2009 Equinox TSB index (NHTSA TSB listings) · applies to 3.6L V6 / 6T70
• GM 09-07-30-012B (Mar 2011)
  Service engine soon light, harsh shifting or no reverse; possible broken clutch wave plate
  Repair information; Verify eligibility by VIN with the manufacturer.
  Source: carcomplaints.com 2008/2009 Equinox TSB index (NHTSA TSB listings) · applies to 3.6L V6 / 6T70
• GM 4146 (Oct 2006) and 07-02-32-009 (Oct 2007)
  'Service Power Steering' message and power steering control module codes (C0460, C0545, C056E)
  Repair information, not a coverage program
  Source: carcomplaints.com 2007/2008 Equinox TSB index (NHTSA TSB listings)
• GM PIC5650 (rev. G-K, 2020-2023)
  Intermittent no crank, no start or start-and-stall with security light on
  Diagnostic information for 2007-2009
  Source: carcomplaints.com 2007-2009 Equinox TSB index (NHTSA TSB listings)

Warranty and program notes

Extended coverage and special programs documented for this generation. Eligibility depends on the VIN, so verify it with the manufacturer. Do not assume a program does or does not apply.

• GM special coverage 14319: ignition key removal on 2005-2006 Equinox, ignition cylinder plus two keys, life of vehicle verified source
  Source: GM bulletin 14319A (April 2015), NHTSA document SB-10057264
• GM special coverage 12191: fuel pump module port cracks on 2007-2009 Equinox, replaced regardless of age or mileage per the bulletin verified source
  Source: GM bulletin 12191A (July 2013), NHTSA document MC-10114178
• Verify eligibility by VIN with the manufacturer. verified source
  Source: GM bulletins 14404B and 14582A

NHTSA complaint records

NHTSA records show 2482 consumer complaints on file for model years 2005–2009 (pulled 2026-10-19). These are tallies of complaints that name a component, matched on NHTSA's component field. They are not failure rates, and a complaint is a consumer report, not a finding that a part failed. A complaint naming several components counts once toward each.

• ELECTRICAL SYSTEM490
• AIR BAGS331
• VISIBILITY307
• SERVICE BRAKES228
• FUEL/PROPULSION SYSTEM228
• STEERING211
• ENGINE205
• POWER TRAIN202
• ENGINE AND ENGINE COOLING196
• UNKNOWN OR OTHER148

Sources and when this was researched

Last researched: 2026-10-19. VehicleIQ research for this generation; each item above names its own source and whether it is a verified source or commonly reported. Details change, so treat this as a starting point for your inspection.