| 1 | 0 | 3 | 4 | 3 | 4 |
Pontiac Montana SV6 repairs by problem area
Engine (23%)
Transmission and Drivetrain (5%)
Brakes and Traction Control (7%)
Suspension and Steering (39%)
Electrical and Air Conditioning (21%)
Paint, Rust, Leaks, Rattles, and Trim (1%)
Other (3%)
Chart based on 204 repairs.
Pontiac Montana SV6 engine repair cost distribution
$2500+ (0%)
$1000 - $2499 (7%)
$500 - $999 (16%)
$100 - $499 (38%)
< $100 (40%)
Chart based on 45 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2007 Pontiac Montana SV6 4dr Minivan, ext.
240-horsepower 3.9L V6 4-speed automatic FWD
| 103540 mi C $600 |
Replace oil pan gasket. Front suspension cradle had to be dropped and required front wheel alignment as well |
| 109120 mi C $25 |
Heater hoses were air locked - had to bleed air out of system |
2006 Pontiac Montana SV6 4dr Minivan, ext.
240-horsepower 3.9L V6 4-speed automatic FWD
| 234000 mi US $212 |
Heater failed on January 22, 2014 during a trip from South Texas to Michigan. Entire cooling system had been flushed, cleaned and refilled by an independent shop June 27, 2012. Heater core was completely plugged but they cleaned, saved it. |
2006 Pontiac Montana SV6 4dr Minivan, ext.
201-horsepower 3.5L V6 4-speed automatic FWD
| 95000 mi US $150 |
Muffler replacement. |
2005 Pontiac Montana SV6 4dr Minivan, ext.
200-horsepower 3.5L V6 4-speed automatic FWD
| 128200 mi US $175 |
Belt tensioner and new serpentine belt |
| 93000 mi US $232 |
Replaced Oxygen sensor (engine emission system) |
| 72000 mi | Catalytic converter failed |
| 118000 mi | Wire going to purge solenoid corroded. Cut wire, cleaned corrosion and re-soldered wire Muffler rotted out |
2004 Pontiac Montana 4dr Minivan, ext.
185-horsepower 3.4L V6 4-speed automatic FWD
| 35960 mi C $1800 |
Intake gasket replaced |
| 39060 mi C $155 |
Engine code on thermostat was replaced |
2003 Pontiac Montana 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. |
| 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. |
| 115940 mi C $275 |
Water pump seal let go. Belt was finished as well |
| 117800 mi C $225 |
O2 sensor replacement |
| 54560 mi C $500 |
Rocker arm bolt pulled out. |
2003 Pontiac Montana 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 |
2002 Pontiac Montana
Engine not specified
| 49700 mi US $510 |
Replaced intake manifold gasket. It was leaking engine coolant. I am told this is a common repair done on this engine. |
2002 Pontiac Montana 4dr Minivan, ext.
185-horsepower 3.4L V6 4-speed automatic FWD
| 154380 mi C $330 |
Front exhaust manifold was broken. Replaced with used one from a wrecking yard. |
| 155000 mi | Ignition switch, DID NOT FIX IT! |
| 80531 mi US $953 |
Replaced intake manifold gasket and serpentine belt due to coolant leak |
| 82530 mi US $795 |
Replaced fuel pump and filter |
| 226000 mi US $15 |
broken heater inlet hose T upper area of engine behind the intake manifold. There are actually two of these types of plastic T's. One of mine broke and needs to be replaced. Dealer only item and it is almost 150 bucks. |
2002 Pontiac Montana 4dr Minivan, ext.
185-horsepower 3.4L V6 4-speed automatic AWD
| 113500 mi US $600 |
overheating, replaced leaking hoses |
| 115000 mi US $500 |
replaced coolant hoses several times over 8-10 weeks trying to solve overheating problem |
| 120700 mi US $150 |
replaced O2 sensor |
| 124000 mi | Engine block cracked, probably because of earlier overheating, and I had to replace the engine. overheated again a week after replacing the engine, replaced another leaking hose. has been fine for last 1,500 miles. |
2002 Pontiac Montana 4dr Minivan
185-horsepower 3.4L V6 4-speed automatic FWD
| 58280 mi C $400 |
Replaced leaking crankshaft seal. |
| 64680 mi C $579 |
Coolant leak. Replaced water pump.Flushed coolant system and replaced coolant. |
| 72640 mi C $140 |
Pressure test to check for coolant leak. None found. replaced radiator cap and added dye to coolant tank. |
2000 Pontiac Montana SV6
Engine not specified
| 274000 mi US $300 |
Water pump |
2000 Pontiac Montana
Engine not specified
| 127700 mi US $84 |
Head gasket seal leak engine smoking due to leaking oil. Parts are on back order. |
| 166000 mi | The fuel line leaked all of the fuel onto the ground and had to be replaced. |
2000 Pontiac Montana 4dr Minivan, ext.
185-horsepower 3.4L V6 4-speed automatic FWD
| 147000 mi US $30 |
EGR valve tube was cracked and had to be replace |
| 168000 mi US $12 |
Replaced camshaft position sensor after computer showed camshaft and crankshaft signals were out of sync. Check engine light was on and cleared after the repair. |
| 140500 mi US $125 |
Water pump replaced, pulleys replaced, belt replaced |
| 140900 mi US $45 |
Oil Ignition Switch |
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