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2005 Pontiac Montana Problems

Find the most common issues based on 2005 Pontiac Montana owner complaints.
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Most Common 2005 Pontiac Montana Problems

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
The rear light socket plate may fail causing a brake light or other rear light to stop working.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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1 Known 2005 Pontiac Montana Brakes Problem

Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians often recommend replacement of the front rotors and brake pads as the best option to correct this condition.

2 Known 2005 Pontiac Montana Drive Train Problems

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned, the transmission system should be complet...

1 Known 2005 Pontiac Montana Electrical & Lights Problem

The rear light socket plate may fail causing a brake light or other rear light to stop working.

5 Known 2005 Pontiac Montana Engine Problems

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.
The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

2 Known 2005 Pontiac Montana Exhaust & Emissions Problems

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The 2005-2006 Pontiac Montana is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing illuminat...

1 Known 2005 Pontiac Montana Heating & Air Conditioning Problem

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

1 Known 2005 Pontiac Montana Maintenance Problem

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.

0 Known 2005 Pontiac Montana Miscellaneous Problems

2 Known 2005 Pontiac Montana Suspension & Steering Problems

The high pressure power steering hose will commonly leak fluid and should be replaced if this is the case.
The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.

15
Known 2005 Pontiac Montana Problems & Complaints

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure contr...
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
The rear light socket plate may fail causing a brake light or other rear light to stop working.
An engine oil leak may develop from the rear of the engine. This is commonly caused by a failed oil pump drive o-ring seal. The leaking o-ring should be replaced to correct this concern.
Corrosion may develop at the connection between the ignition coil tower and spark plug wire resulting in an engine misfire. The Ignition coil and spark plug wire should both be replaced to correct ...
The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.
Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians often recommend replacement of the front rotors and brake pads as the best option to correct this condition.
The 2005-2006 Pontiac Montana is known to have issues with the EVAP system, a part of your emission control system. The EVAP canister vent valve or valve solenoid wiring may fail causing illuminat...
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.
A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.
The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell ...
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned, the transmission system should be complet...
The high pressure power steering hose will commonly leak fluid and should be replaced if this is the case.
Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.
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