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.
Car Problem Reports
Pontiac Montana Leaking Water Pump May Cause Coolant Loss and Overheating
Pontiac Montana Problem
13 Reports
Model Years Affected: 1999, 2000, 2001, 2002, 2003, 2004, 2005
Engine Affected: 3.4L V6
Average Mileage: 135,500 mi (97,000 mi - 230,000 mi)
Verified
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Visitor, 1999 Pontiac Montana, 3.4L V6
I am loosing water out of the resivor about every 2 days.The temp gauge keeps reading hot
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poptopp, 2002 Pontiac Montana, 3.4L V6, 97,000 miRookie
Coolant leak at left front under radiator cap. Found leak at radiator core tank seam. Replaced radiator core.
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Visitor, 2003 Pontiac Montana, 3.4L V6, 100,000 mi
Same thing
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