2003 Pontiac Montana SV6 Pontiac Montana SV6 2003

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2003 Pontiac Montana SV6 repairs by problem area

Engine (34%)

Transmission and Drivetrain (2%)

Brakes and Traction Control (2%)

Suspension and Steering (36%)

Electrical and Air Conditioning (23%)

Paint, Rust, Leaks, Rattles, and Trim (2%)

Other (0%)

Chart based on 44 repairs.
See TSBs and recalls for the 2003 Pontiac Montana SV6.

2003 Pontiac Montana SV6 engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (7%)

$500 - $999 (13%)

$100 - $499 (40%)

< $100 (40%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 15 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2003 Pontiac Montana SV6

Engine not specified

54560 mi

C $500
Rocker arm bolt pulled out. 

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2003 Pontiac Montana SV6 4dr Minivan, ext.

185-horsepower 3.4L V6 4-speed automatic FWD

72414 mi

US $350
Broken rocker arm on cylinder #3. 
72897 mi

US $350
Broken rocker arm on cylinder #5. 
75674 mi

US $2100
Intake valve rocker assembly #3 & #5 cylinders pulled out of head. #3 push rod pulled through rocker arm. 
115940 mi

C $275
Water pump seal let go. Belt was finished as well 
117800 mi

C $225
O2 sensor replacement 
90000 mi

US $15
Dealer said our oil pressure sensor was not working, so we replaced it ourselves. Saw no change after replacing the part so not sure if repair was successful or not. 

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2003 Pontiac Montana SV6 4dr Minivan

185-horsepower 3.4L V6 4-speed automatic FWD

230000 mi

US $463
Replace leaking radiator. 
237 mi

US $50
The harmonic balancer failed resulting in a serpentine belt failure. Replaced the balancer and the belt. 
253000 mi

US $30
Lower Engine mount was bad. Replacement resulted in much smoother idle. Water pump was replaced. It had a slow leak. 
263000 mi

US $22
coolant bypass hose was replaced 
106200 mi Vehicle started to consume oil during the last 10,000 miles after no previous usage. No leaks found. Shop believes leaky seals exist. Will determine whether to keep vehicle. Will probably get second opinion. 
130000 mi

US $282
Water pump sprang a leak... 
194000 mi

US $900
Replaced thermostat 

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2003 Pontiac Montana SV6 Engine 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 Pontiac Montana SV6 problems occur, check out our car reliability stats.