2003 Infiniti G Infiniti G 2003

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2003 Infiniti G repairs by problem area

Engine (29%)

Transmission and Drivetrain (4%)

Brakes and Traction Control (3%)

Suspension and Steering (15%)

Electrical and Air Conditioning (37%)

Paint, Rust, Leaks, Rattles, and Trim (5%)

Other (6%)

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Chart based on 411 repairs.
See TSBs and recalls for the 2003 Infiniti G.

2003 Infiniti G electrical repair cost distribution

$2500+ (1%)

$1000 - $2499 (4%)

$500 - $999 (16%)

$100 - $499 (39%)

< $100 (40%)

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Chart based on 134 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Infiniti G

Engine not specified

118000 mi compressor failure 
175000 mi

US $800
AC stopped working 
Trunk electrical lines get pinched easily. Easy repair to do yourself IF you can reach the quick release! Also, front passenger window had a mind of its own. Transmission stuck in 3rd. Mechanic couldn't fix it. 
41000 mi electrical audio went out as well as ventilation system. 

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2003 Infiniti G 4dr Sedan

280-horsepower 3.5L V6 5-speed shiftable automatic RWD

96100 mi AC Fan periodically turns on and console electrical manualcontrol is completely lost. Usually corrects itself upon restarting within 1-2 days. 
104000 mi

US $350
Xenon bulbs needed to be replaced due to driver's side bulb going out. It requires lowering the front bumper and potentially the wheel well too. Also, replaced air filter. 
75000 mi

US $165
Low beam HID bulb failed on the driver side. Had to replace it with a new set of HID D2R bulb set. Decided to replace both the HID bulbs instead of just the failed one to ensure consistent lighting on both sides. 

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2003 Infiniti G 4dr Sedan

260-horsepower 3.5L V6 6-speed manual RWD

96000 mi air bag light on when sold 
73700 mi

US $600
Clutch fell off compressor replace compressor with like 
78000 mi

US $250
Replaced 14 year old factory alternator 
87000 mi

US $550
Radio/AC circuit control board replaced. Radio repaired. 

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2003 Infiniti G 4dr Sedan

260-horsepower 3.5L V6 5-speed shiftable automatic RWD

47000 mi dealer replaced panel on warranty - common problem on G35 - fortunately fixed on warranty - not recognized by Infiniti after warranty os other owners out of lack and $600  
125000 mi Electronic panel failed that caused radio to blast on the same level - unfortunately set to very high - without options to turn it off or change. 
124000 mi Car frequently and randomly shuddered at stoplights and ran rough. All warning lights flashed. Alternator suspected but never diagnosed - could have been anything related to AC/Stereo control panel that was full of gremlins. Sold it. 
108800 mi The radio and all climate controls were unusable and no lights showed. With WEB forum, I found the problem was around the radio power supply assembli. Few resistors were badly soldered. Could cost more 1000$ by Infinti garage. 
119540 mi

C $700
Old problem recrurent with console ... 
75123 mi

US $225
Stock head unit (Clarion = CRAP) fails. Screw actuator for 6 disc changer shorts out power supply, crashing CAN buss - complete loss of center console. Pulled unit, mailed to Bay Area for repair, 1 year warranty. I don't play CDs 
85123 mi Dealer replaced defective air bag connectors as part of recall. Front seats were removed during the repair. Driver seat now "rocks" and is in need of repair at undetermined cost. 
104000 mi Blew seals or hose in the AC. Suspect compressor at $300 and receiver dryer $50 plus oil an charge $50 plus labor. may be relate to drive belt. 
108000 mi

US $140
Replaced all front bulbs. Found Philips HID bulbs on line for $35 each. Replaced all other bulbs at same time, purchased long life (LL) bulbs where available. Parts. $100. Labor $40. Polished and sealed headlights with Plastix, etc. 
110000 mi

US $350
Replaced 8 year old Interstate Battery w/ same. Old battery still had full voltage, and half CCA - enough w/ full synthetic oil, even in MN. Bought a blem battery at distribution center. Self Install. $45. 
134540 mi

C $150
Battery Drain, cause by Audio Circuit (Cause = CD Changer) Common Problem seen on Internet, Bypassed Fuse with Switch inside, solved!! 
150640 mi

C $400
Replace audio unit, the old CD changer had frozen, I retreived the 6 CD's and installed a new kenwood! That fixed the battery drain problem (was .7 amp draw). Now everything works, sounds better and no more battery problem. 
83200 mi

US $200
headlights were getting dim, replaced them (hi and low beams, both sides). Very difficult to get at the bulbs for replacement--have to remove wheel and wheel well cover. 
80000 mi

US $450
driver window motor died, was replaced with aftermarket new part. 
130200 mi

C $400
Starter failed, tow to nearby shop and have repaired. 
107260 mi

C $250
CD stuck causing battery drain. Removed CD and discs to empty it and fix the problem. Reinstalled Audio unit. 
68820 mi

C $589
The climate control and radio wouldn't work from the console. I could control the radio from the steering wheel only. Ordered new radio. 
130200 mi

C $500
Several sensors need to be replaced. 
98200 mi

US $400
Audio and AC stopped working. Audio Finisher Board repaired 
103000 mi

US $700
Replaced HID headlamps. 
79000 mi

US $140
Replace driver power seat control cluster 
133000 mi

US $125
Just recharge, but expect to need to fix leak 
156500 mi

US $140
passenger window wouldn't roll up. 
137500 mi

US $100
Had to replace battery, old battery was dying 
155000 mi

US $600
Replaced alternator 
157000 mi

US $80
Driver side power window motor stop working 
11160 mi Cruise control repaired, this required several visits over a number of months into 2004 before problem was corrected. 
18600 mi Passenger window, motor and sensors replaced, warranty. 
32240 mi Replaced stereo, warranty 
43400 mi

C $1100
Alternator 
49600 mi

C $600
Replaced stereo, because it had already been replaced once for the same problem (CD Player stuck)while under warranty Bose were good enough to offer a 50% "good will" credit, Infiniti offered nothing. 
62000 mi Control panel for audio and HVAC ceased responding to input, leaving AC at one temperature and unable to be turned off and audio unable to be turned on. 
172000 mi Electric trunk latch has failed. Trunk cannot open except by interior emergency cable. 
71300 mi

C $800
Dashboard electronics and Traction control freaking out. Replaced some connectors under the dashboard. Mostly labor costs. ECM was okay. 
126000 mi

US $1061
New AC compressor, idle pulley purchased and installed. Three camshaft position sensors purchased and installed. 
196000 mi Replaced one ballast with a used one 
196000 mi Replaced both headlights after used ballast failed Bose sub needs a new relay on the green board 
86172 mi

US $600
Replace AC compressor 
87201 mi

US $125
Replace 3rd brake light 
99401 mi

US $1100
Replace radio head unit and faceplate/finisher assembly 
111000 mi

US $489
Replaced radio due to long-standing and common radio problem in this series radio in the G35. 
57040 mi Solenoid on gas filler flap failed 
58900 mi

C $200
Decided cost of part not reasonable [$115 for tiny switch! exclusive of labour] and will open trunk lid to throw switch myself prior to each fill up. 
98000 mi

US $350
electric window switch on left door drivers window 
107880 mi

C $400
Remove and replace factory six disk clarion in-dash CD changer. ERROR F0 
120900 mi

C $270
Replaced passenger side Xenon headlight bulb--$270 part. 
161200 mi 3rd tail light circuity developed an intermittent connection (cold solder join). Removed, wiggled, replaced. Bose Sub - same deal. 
119000 mi

US $60
Replaced the A/C idler pulley. Bearing was going out. 
130000 mi

US $350
I am a licensed auto tech. Diagnostic: Window motor (driver's side). Motor brushes wasted; very small and weak brushes; almost impossible to repair, brushes cleverly designed to avoid the home or even machine/electric shop repair (not a common size). 
131000 mi Type: HID system XENON bulb Problem: Passenger headlight low beam bulb burn out.  
111000 mi

US $450
Bose audio unit malfunctioned causing erratic operation of all center console controls. (AC automatically on full blast, controls inoperable, radio controls only operable via steering wheel.)  
59000 mi Wiper slammed too hard 
71300 mi

C $650
Dashboard controls failed. Unable to control a/c or fan and stereo controls. 
91000 mi

US $400
Starting motor function became intermittent and unreliable, stranding owner. Replaced starter to resolve. Motor has been a factory original part. (Hitachi) Passenger power seat switch became intermittent and then failed. Dealer's policy was to replace seat motor, rails, switch. ($1500) Independent mechanic narrowed problem to seat switch. ($100) 
100000 mi

US $120
LED brake light not working; would not pass safety inspection. 
150000 mi

US $10
Wiring fault in reverse light, and trunk interior light. Bad ground; installed new ground wire for each. 3rd brake light failed. Replaced with salvage part. 
23560 mi Drivers seat making noise when being moved back. Seat rail assembly ordered 
23560 mi Noisy drivers seat when moving back and forth 
164000 mi

US $450
All the buttons and switches on the Center Console console stopped working could only control the radio with the steering wheel controls. Had to replace to entire unit with a used one purchased off of Ebay. 
72000 mi Rear Center High Mount Stoplight (CHMSL) LED inoperative. Discovered by dealer mechanic on inspection during routine maint visit. Quoted cost of $350 to repair, mostly due to cost of part (LED ballast). I am looking for alternatives, but there appear to b 
41695 mi A/C Compressor replaced due to buzzing noise. Work performed under warranty at local dealership. This problems only affects vehicles maufactured before Oct. 2002. that were fitted with a Calsonic CWV618 compressor. There is a technical bulletin about it. 
98580 mi

C $500
CD player failed. CDs jammed inside. Dealer replaced headunit with remanufactured one. 
131000 mi HID headlight, fairly major project to replace. 
176100 mi

US $400
Starter became sluggish until it finally stopped. It was confusing as it was acting like a failing battery. It did kill the battery as well. 

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2003 Infiniti G 4-door

6-cylinder automatic 2WD

116000 mi

US $600
Audio system died - no CD player capability at all. 

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2003 Infiniti G 2dr Coupe

280-horsepower 3.5L V6 6-speed manual RWD

90500 mi

US $110
Moldy smell at startup of the car. Cabin Air filter was changed. Both motors in the driver doors (windows and lock) are working intermittently. 
101000 mi

US $80
Open driver door, removed and cleaned the internals of the electric window motor. Added an actuator to fix the door lock. 
56000 mi I took the car for a car wash on a very cold winter day. After I was done with the wash (the heater was on) suddenly the A/C would lock and I couldn't control the A/C (shut it off, lower the fan....etc) the radio would go blank and the only way to control Power lock and passenger window motor were inoperative, dealer replaced it under base warranty. Power lock and passenger window motor were inoperative, dealer replaced it under base warranty. 
60000 mi

US $200
Power lock actuator for the drivers side was faulty and had to be replaced. 
105400 mi

C $400
repaired (starter or alternator) 
60000 mi CD player failed. 
76000 mi

US $37
Battery drain due to problem with factory audio head unit.  
62200 mi

US $250
CD Changer Jammed, CD ERROR FO Code. CD Changer and controller replacement. 
88000 mi

US $100
Faulty oil pressure sensor. 
115300 mi

US $650
Compressor failed; replaced. 
206000 mi

US $500
replaced window actuators 
71300 mi

C $100
Relay went bad. Replaced the relay with new one, and tail lights, interior lights, side lights, license plate lights started working again 
110000 mi

US $5
right headlight bulb 
96000 mi

US $729
Power window and door lock both on driver's side. 
100000 mi

US $1349
Air bag malfunction 
130000 mi

US $345
Radio, CD player and climate control out. 
36000 mi and a short in the dash panel the last few months that led to the AC and radio controls cutting in and out. 
50840 mi

C $1000
alternator main fusable link 
87000 mi

US $10500
Door locks stopped working 
70000 mi Driver window would not roll up. Cleaned motor of carbon build up. Problem solved. Have read multiple complaints about this problem by other owners.  

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2003 Infiniti G 2dr Coupe

280-horsepower 3.5L V6 5-speed shiftable automatic RWD

16050 mi Heater blower motor burned out and was replaced under warranty. 
90000 mi Replace battery 
10000 mi Drivers side window motor replaced 
35000 mi stereo head unit replaced because of skipping cd changer 
51000 mi CD player would not operate reliably, would select different disks than selected. I would request disk two and it would load 2, then 3, then 4 and then play disk 5. 
40000 mi

US $100
Left door window failed and needed replaced. 
10000 mi Sun-Roof stuck, Driver side window stuck 
30000 mi Rear brake light went out 
54000 mi

US $140
Instrument cluster froze up and check engine light activated. By the time vehicle was inspected by dealer problem could not be duplicated, nor was any fault code read. 
54600 mi Third issue with trunk wiring loom. Second time that trunk could not be opened normally since January 2008. Dealership, in conjunction with Infiniti NA devised innovative repair. Lengthen all the wires in the loom to provide sufficient slack. Third issue with trunk wiring loom. Second time that trunk could not be opened normally since January 2008. Dealership, in conjunction with Infiniti NA devised innovative repair. Lengthen all the wires in the loom to provide sufficient slack. 
81000 mi CD changer jammed and went dead, and not with a home-made CD. The dealer quotes 500 parts and labor to replace unit, and to retrieve the jammed CD. Have not decided on repair yet. 
83000 mi

US $120
Trunk lid latch would not release. Power wire to actuator found damaged from tension. Wire repaired. (This is the third time this issue developed: last time was in 2008 when repaired under warranty. For this repair, Infiniti and the dealership picked up 2/3 of the labor cost.) 
65000 mi

US $650
window doesn't work properly...sometimes works and sometimes doesn't. They claimed the window motor is defective and simply replaced it. 
85000 mi

US $500
Center console computer went nuts. AC cant be shut off.  Replaced jammed DVD changer. 
75000 mi Found instructions online to disassemble window motor and replace the worn out brushes. Bought 540 motor brushes for toy car at hobby store or you can get them from tower hobbies Filed them down to fit. $3 to fix versus $500-600 at dealer 
74000 mi

US $200
The stereo shorted out which is a known issue with these cars and it takes out the ability to adjust the settings on the climate control. A shop in florida called factory car audio repair fixes them for around $340 versus $1800 for replace 
83000 mi

US $3
Third brake light went out. Replacement is a little over $300 at dealer. Bought a 15 foot reel of LED strip lighting on amazon for $20, cut the length I needed (6" or so) and wired it up. Works good. 
89200 mi

US $450
Window motor quit after I previously repaired it with new brushes. Drivers side switch assembly was inoperative as well. Replaced both with new Infiniti parts myself. Parts cost was around $450. 
95000 mi

US $21
The power lock actuators had gotten weak. I replaced them with ones from parts-express.com which were $7 apiece plus another 7 for shipping. There are good vids online of how to retrofit with these. Much better and cheaper than OEM!!! 
103000 mi Replaced passenger side low beam HD (9AUG10) Replaced driver side low beam HD(28AUG10).  
88000 mi

US $500
Door lock actuator 
57400 mi

US $2000
Radio and AC system stopped working. AC was stuck on 72' degrees. Radio did not work at all. I had to replace the radio with an aftermarket system. Also both power windows stopped working. 
60000 mi

US $320
Right door window regulator failure. 
87000 mi

US $170
Removed and replaced driver door window lift motor. 
93000 mi

US $170
Replaced another window motor. 
109000 mi

US $200
Driver side window lift motor failed.  
112000 mi

US $170
Replaced previously replaced right window lift motor. Part was warranteed. 
56000 mi

US $120
window stopped half way or went down half way; replaced window regulator 
1000 mi These are estimates. The driver side electric window got stuck in the down position and was fixed under warranty (replaced electric motor) 
11000 mi These are estimates. The passenger side electric window got stuck in the down position and was fixed under warranty (I do not remember was was replaced) 
43000 mi

US $200
The electric window motor died again! I ordered another and replace the broken unit. These cars eat electric window motors! 
59000 mi

US $30
The window washer motor stopped working and had to be replaced Thw drivers side window broke again leaving the window in the down position. Bought new motor and replace it 
64000 mi

US $300
The CD and radio stoped working. The air conditioning & heating buttons also didnot function. Removed and replaced the radio & A/C controls. 
109000 mi

US $423
Motor on passenger side window replaced. Window would not go back up. 
87000 mi

US $150
pass window motor/regulator bad 
94000 mi window motor, pass. side bad, AGAIN. 
98000 mi

US $200
just like everyone else, window motor, pass side. repaired last year, then went bad again 
103000 mi

US $200
replaced window motor, passenger side, with updated version of motor. works fine now 
121700 mi air/heat/radio controlls inop. come and go/on/off as they please. like many other owners who have had identical problems. 700 fix @ infiniti dealer 
150000 mi

US $750
Cd/heat and cooling system and any functions with main control panel inop. No music and hung on 90 plus heating.. sucks 

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2003 Infiniti G 2dr Coupe

260-horsepower 3.5L V6 6-speed manual RWD

28200 mi

US $8
Remote door lock servo replaced. 
30200 mi

US $20
Drivers side lock actuator failed. I installed an auxiliary actuator to fix the problem. 
37000 mi

US $150
Replaced battery 
43000 mi Driver's side door lock actuator died. 
61000 mi All interior lights 'went out' other than dash / instrument panel. Found bulletin online, reset system by removing negative battery terminal for 5 minutes and all is good! 

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2003 Infiniti G 2dr Coupe

260-horsepower 3.5L V6 5-speed shiftable automatic RWD

79000 mi

US $959
Replace window and door lock motor 

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2003 Infiniti G Electrical Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2003 Infiniti G problems occur, check out our car reliability stats.