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Roy Belding
Roy Belding, ASE Certified Technician
Category: Pontiac
Satisfied Customers: 5289
Experience:  Master ASE since 1980
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I have 2003 pontiac bonneville v6 which was running hot.

Customer Question

i have 2003 pontiac bonneville v6 which was running hot. replaced radiator and 1 sensor. also replaced plugs and wires. #4 and #7 cylinders have very low compression. skips at low speeds but smooths out at running speed.
JA: Have you checked the coolant? Have you noticed any leaking?
Customer: no leaking and coolant is good.
JA: Are you fixing your Bonneville yourself? What have you tried so far?
Customer: mechanic replaced radiator, sensor, and plugs / wires
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 7 months ago.
Category: Pontiac
Expert:  Roy Belding replied 7 months ago.

good evening my name is ***** ***** I will assist

did he change the thermostat??

low compression indicates possible head gasket failure from overheating. did he do a leak down test for you???


Expert:  Roy Belding replied 7 months ago.

are we going to continue???