Well fan checked out ok, Iat sensor(coolant sensor) working fine, thermo opening when it should. Had a leak down test down and cylinder 2 is leaking, quote from dealer for all gaskets and new bolts is $2070 thats without machine work. If it needs it plus valve job about $2500. Know if I wasn't movin...

I've replaced the cap several times in the past few months thinking the cap was bad. The upper hose is firm and has actually expanded in size just before the thermo because of pressure. I've done a block test just to be safe and no change in color. The oil and coolant looked fine when I changed the ...

My fan won't turn on to cool the system down, so coolant boils over past the cap and all down the sides of the expansion tank. If I turn the AC on the fan kicks on, so I don't think its the relay. Cleaned the three grounds on the front of the block two above the starter and one to the left of it. At...

Had a similar problem right after purchasing my 96 855R a year ago and found that the fresh air vacuum line had come unconnected from the nipple just under the MAF sensor. Hope that helps