you could have a leaking head gasket which is letting exhaust gases into your cooling system, the gases can accumulate in the heater core, which is the high point in the system, and restrict flow. let your engine cool completely, then remove the cap on your overflow bottle, there should be no...
i normally run havoline 5w30 (grp2) in my wife's villager, but wallyworld was out and i thought about using mobil drive clean (grp1 i believe) instead. my oci is 3500 miles. both oils are sl rated. would it matter about group 1,2 etc. any thoughts ? thanks ?
my local k-mart has sj rated quaker state full synthetic on clearance for $2 per qt. is this stuff ok or would i be better off with a sl rated name brand dino. it's 5w-30 for my wife's villager, nissan 3.3l motor.
guys, this board is great. i ran across it about a week ago and i am hooked. i read it every day. anyway, i have a new ford 4.6 pickup and based on what i've read on these forums,i was planning on going with m-1 5w-30 and a motocraft filter. i'm very interested in any opinions. i would like to...