| 1 | 0 | 3 | 4 | 3 | 4 |
2007 Infiniti G repairs by problem area
Engine (22%)
Transmission and Drivetrain (8%)
Brakes and Traction Control (5%)
Suspension and Steering (11%)
Electrical and Air Conditioning (25%)
Paint, Rust, Leaks, Rattles, and Trim (21%)
Other (8%)
Chart based on 363 repairs.
2007 Infiniti G engine repair cost distribution
$2500+ (1%)
$1000 - $2499 (5%)
$500 - $999 (12%)
$100 - $499 (22%)
< $100 (60%)
Chart based on 77 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2007 Infiniti G
Engine not specified
| 8000 mi US $50 |
Cruise control surge, throttle tip-in. |
| 73000 mi US $1500 |
gaskets inside timing case were blown. |
2007 Infiniti G 4dr Sedan
306-horsepower 3.5L V6 6-speed manual RWD
| 87300 mi US $200 |
Throttle bodies lost calibration, had to be reset |
| 159100 mi US $60 |
The idler pulley broke down. I had to order this part (no part stores carried it) and I replaced it along with the drive belt. |
| 93200 mi US $300 |
Air fuel ratio sensor needed to be replaced. |
| 207000 mi US $1000 |
Exhaust y-pipe replaced |
| 28000 mi | Cruise control surge, hesitation on sharp acceleration from cruising with foot on gas. ECU re-flashed, self learning on mixture, throttle reset. |
| 42900 mi US $250 |
Drive belt broke damaging AC compressor. Belt passed inspection one month prior. It should not have. Disappointed that dealer didn't spot worn belt. Could have prevented car breaking down in traffic and requiring tow. |
| 52000 mi US $350 |
Serpentine belt snapped again. Brought back to repair shop that did original repair in June. Found Tensioner misaligned with serpentine belt. I paid for part but shop covered labor and cost of additional belt. |
| 91000 mi US $350 |
Hoses leaking needed replacement. |
| 110000 mi US $75 |
Coolant hoses leaking. Replaced. |
| 66000 mi US $1158 |
Had to replace Catalytic converter. |
2007 Infiniti G 4dr Sedan
306-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 132000 mi US $900 |
Removed and replaced two valve timing gears and belt |
| 53000 mi | The car was hesitating when leaving a stopped position. |
| 66000 mi US $235 |
I had a ticking sound that started at 1800RPMs and got faster and louder, with RPMs, up to 4000RPMs. Dealer correctly diagnosed as... |
| 16000 mi | Fixed surging issue in cruise control; replaced radar sensor and reflashed ECU. |
| 24000 mi | Acceleration surge from stop, reprogrammed ECU to fix. |
| 83000 mi US $410 |
Rough idle, throttle hesitation. Fixed by cleaning throttle body/plate, fuel injectors, and reflashing ECM |
| 114000 mi US $665 |
Replace wiring harness for fuel injectors due to rodent damage under engine |
| 99000 mi US $800 |
cleaned throttle body |
| 40000 mi | the rear seal was replaced |
| 40200 mi | Complete replacement of VTC pulley system due to SES. Complete replacement of VTC pulley system due to SES |
| 76880 mi | Fixed broken exhaust clamps on the heat shield @ 6 places. Noted bad corrosion along the exhaust system. No need for replacement yet. |
| 167000 mi US $980 |
Water pump failure. 163k miles |
| 168000 mi US $3780 |
Main bearing total failure. Engine replaced with used part |
| 69000 mi US $385 |
oil pan leak |
| 71000 mi US $40 |
Replaced deep belt. |
| 90000 mi US $345 |
Replaced tranny mount |
| 105000 mi US $300 |
Heater hose started leaking, |
| 108600 mi US $15 |
Car has had persistent coolant smell after driving. Noticed upper radiator hose clamp had coolant residue. Replaced upper hose and clamps. Car still has coolant smell, but does not lose coolant or overheat. |
| 109900 mi US $3 |
Has very common head gasket coolant weeping. Possibly fixed with Subaru Coolant Conditioner. |
| 58000 mi | The manual shift mode would intermittently not up-shift. Transmission worked in all other modes. Originally, dealer could not replicate problem. On subsequent visit, problem was noted by technician and the shifting unit replaced. |
| 34000 mi | Valve in the fuel tank was replaced. |
| 14000 mi | Hose leaking at connection to radiator. |
| 85000 mi US $699 |
Coolant leak repaired. Replaced coolant pipe o'rings, expansion tank & attached hoses, flushed & refilled system. |
| 58300 mi US $450 |
Check engine light led to error code P0455, confirmed with smoke test. Evap canister replaced. Also replaced leaking coolant hose. |
| 16000 mi | Hard shift from 2nd to 3rd gear in manual mode. |
| 12000 mi | TSB for Silicone in Heater core causing ticking noise inside the dash They had to redo the silicone because they missed some. |
| 51000 mi | check Engine light, engine sensors failed. Car died and needed to be towed and resulted in dead battery. |
| 7000 mi | Cruise Control Surge Repair |
2007 Infiniti G 4dr Sedan
306-horsepower 3.5L V6 5-speed shiftable automatic AWD
| 127000 mi US $519 |
Repaired a hole in the exhaust system due to corrosion. The front Y-pipe and flex pipes after the catalytic converters were replaced. |
| 9000 mi | TSB ITB07-045, 2007 G35 SEDAN; COLD ENGINE START ISSUES • Rough idle during the first minute of engine operation after cold engine start. And/or • Slight engine speed fluctuation during light throttle acceleration during the first ten minutes of d |
| 64000 mi US $55 |
After doing some research I discovered that I wasn't crazy in thinking that the throttle was way too sensitive in low speed situations. Turns out there was a service bulletin on this and a software fix for the electronic throttle. |
| 96300 mi US $125 |
Leaking radiator hose |
| 22320 mi | Gearshift not going into DS / stuck in DS. |
| 50000 mi | Strange hesitation and shifting problems around 3k rpms. Transmission mechanically perfect and no shavings. Mechanic replaced TCU (with the valve control box) on advice from Infiniti and issue is gone. |
| 97000 mi | Throttle body refleash for hesitation and juddering at speed. |
| 98000 mi US $1144 |
Radiator burst. |
| 72500 mi US $35 |
Oil change and rough idling |
| 121380 mi C $850 |
Bank 2 Throttle Body failure. Car would not start, could smell gas. Computer code directed shop owner to the problem quickly. Purchased used Throttle Body for $200 versus $800 for new from dealer. |
| 200260 mi | Both variable valve timing solenoids had to be replaced so the car could pass an emissions test for resale. Rad hose clamps rotted and hose blew off spilling almost all coolant. Driven a ways in this condition, head gasket blown, possibly more damage. A write off. |
| 69400 mi US $150 |
Main radiator hose was split and needed to be replaced, but coolant flush was also conducted at same time as repair since system was open |
| 1860 mi | Throttle sensitivity TSB |
| 37820 mi C $22 |
Mechanical key could not be removed from port. Mechanic successfully removed key without damage to either key or port. |
| 19000 mi | Extremely sensitive throttle. You could push on the pedal and it would just take off all of a sudden. Found a TSB for the issue and gave it to the dealer. They performed the TSB and it works fine. |
| 72000 mi | TPMS Sensor flashed then solid yellow. Was told the TPMS sensors were OK but needed to be reprogrammed. Dealer reprogrammed all 4 sensors and stated it was not covered by the extended warranty. Outside shop replaced coolant as a part of preventive maintenance, but they damaged one of the hoses causing the coolant to leak out on the road and engine to overheat. Car towed to dealer, who reattached the hose and re-filled coolant |
| 63000 mi | Car was hesitating and running rough on cold start-up. ECU was re-flashed with latest software |
| 35000 mi | Replaced left side catalytic convertor. |
| 113460 mi C $649 |
Exhaust |
| 22000 mi | Gear select unit malfunctioning (electronic failure) (but went in gear). |
| 23000 mi | Gear select unit malfunctioning - short in shift indicator switch (but went in gear). Previous repair thought to be successful, but turned out to be temperature related, and reappeared. Won't know if this was successful until winter. |
| 88000 mi US $150 |
Rattle, caused by loose heat shield. Tightened at no cost. |
| 91000 mi US $550 |
Leaky radiator hose. Both hoses replaced, flushed radiator and fill. |
| 39000 mi | Camshaft position sensor replaced |
| 44000 mi | SES light indicated occasional timing issues. Cam sprocket had excessive unusual wear. Replaced. This problem is intermittent and the SES light can take a while to detect the issue and come on again. |
2007 Infiniti G 4-door
6-cylinder manual 2WD
| 18000 mi | Alternator Bearing was bad |
2007 Infiniti G 4-door
6-cylinder automatic AWD
| 9000 mi | Tapping noise from dash area when accelerating above 2500 rpm. |
2007 Infiniti G 4-door
4-cylinder automatic AWD
| 12000 mi | Slight hesitation with engine and/or transmission at low RPMs. Mechanics could not recreate problem. |
2007 Infiniti G 2dr Coupe
293-horsepower 3.5L V6 6-speed manual RWD
| 12000 mi | Clattering noise from engine when shifting gears and using brake or gas pedals. Dealer determined it as known problem with this type of car (G35 coupe stick shift) where engine goes through oil too quickly, and that engine would need replacement. Engine was successfully replaced and has been fine since. |
| 16620 mi | Engine is undergoing an oil consumption test. Apparently Rev-Up engines are prone to oil loss. |
| 19420 mi | Engine was using excessive amounts of oil. Engine was replaced. |
2007 Infiniti G 2dr Coupe
275-horsepower 3.5L V6 5-speed shiftable automatic RWD
| 70000 mi US $110 |
replaced oil cooler o ring |
| 29000 mi US $150 |
AC Belt replaced |
| 51700 mi | Thermostat sticking and was replaced. Also removed an air pocket in the coolant system. |
| 52500 mi US $50 |
Car overheated... replaced thermostat and all is good. |
See TrueDelta's information for all Infiniti models.
