- Worst Model Year:
- 2001
- Worst Complaint:
- head gasket failure
Here are the Pontiac Montanas that have the most problems reported over the last 11 years.
The 2002 Pontiac Montana has the most complaints, & the most-reported problem is with the 1999 Montana for intake manifold gasket failure.
Worst Reported Problems with the Montana
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#1: head gasket failure on the 2001 Montana
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#2: intake manifold gasket failure on the 2002 Montana
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#3: intake manifold gasket failure on the 1999 Montana
Latest Owner Complaints About the Montana
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coolant leaking into engine oil -- 2003 Montana:
Replaced intake gasket, Dealer said see you in few miles for head gasket and sure enough the head gasket went. I believe because it was disturbed because of faulty intake that this made head gasket go. If not, I am not sure why mechanic knew I would be back. Can’t sell vehicle to anyone I ... Read more »
This problem has been reported 9 times by other 2003 Montana owners.
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leaking fuel tank -- 2003 Montana:
Fuel leaking from tank. Who would engineer a filler tube to go into the bottom of the fuel tank! also the fitting that goes into the tank is not good as it is not sealed well. Should be recalled as this is a fire hazard! New tank is around $400.00 plus labor Read more »
This problem has been reported 1 times by other 2003 Montana owners.
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brake lights burn out -- 2003 Montana:
I called gm about the problem, they did not care. wires melt, bulbs burn out, had this crap fixed tons of times & i know it is a defect. i have seen people in my area with same problem and tons on internet....how can they say it is not a defect? i say its bull and they don't want to man up ... Read more »
This problem has been reported 1 times by other 2003 Montana owners.
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leaking coolant, intake manifold gasket failure -- 2000 Montana:
Ongoing coolant loss and subsequent check engine light. Checked found problem codePO141 Heater circuit, HO2S-12 (bank 1, Sensor 2, heater circuit malfunction. Replaced O2 sensor on catalytic converter. Still had check engine Lite. Consulted with mechanic to replace front sensor on exhaust pipe. ... Read more »
This problem has been reported 10 times by other 2000 Montana owners.
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leaking coolant, intake manifold gasket failure -- 2000 Montana:
I was on a trip and my engine coolant light came on...stopped and found reservoir empty. Filled to specs and lit went out...however, susequently I was continually replenishing water to keep coolant lite off. Read more »
This problem has been reported 10 times by other 2000 Montana owners.