The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - washed the engine bay a bit sat....now heat blows cold?

motornut · 03-24-2011, 08:42 AM

you prob won't/don't see it drippin while driving/hot
may wana warm it up from cold with the rad cap off to burp it
ok if the truck runs good prob not a vac leak

03-24-2011, 08:42 AM	#8
motornut 78K & 79C Jimmys Join Date: Nov 2009 Location: Ottawa Ont CANADA Posts: 7,901	Re: washed the engine bay a bit sat....now heat blows cold? you prob won't/don't see it drippin while driving/hot may wana warm it up from cold with the rad cap off to burp it ok if the truck runs good prob not a vac leak __________________ John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350