Other Category problem
2003 Pontiac Grand Am V8 Wheel Drive Type unknown Automatic 89600 miles
There is oil in the water reserve what is wrong and how can it be fixed?
Tuesday, December 25th, 2007 AT 8:58 AM
1 Reply
MERLIN2021
MECHANIC
17,250 POSTS
Check the oil stick, any water? If not see if the tranny cooler lines attach to the radiator, if yes the cooler tank could be cracked internally, thus leaking tranny fluid into the radiator. If it turns out to be engine oil, you have either a cracked head or block, or a bad head gasket.