1999 Chevrolet Silverado 1500 "99 gmc heater core hose" Questions

...99 gmc 2500 is not working No Heat. Blows really good and has plenty of air but doesn't get hot air. I was thinking that the heater core is plugged. or controls on the dash are not working. I also ...

...99 gmc sonoma Get a female garden hose adapter from the local hardware store. Disconnect the heater hose from behind the fan pulley and attach the hose connection. Disconnect the other heater hose ...

...99 GMC Savanna conversion van by just tying the two coolant hoses together that run to the back of the van and just have no heat back there? Yes! Yep. Just get a piece of copper tube or an elbow and ...

99 GMC Envoy goes from blowing warm air to cold to warm to cold when on warm air setting. Loaded Envoy with climate control. Any ideas? heater core plugged. remove heater hoses, use tap water to flush

...GMC? this is backwards,top hose should be hot,bottom cold,sure it's not a reverse rotation pump,98-99 used 'em, not sure what year you have but the reverse pump will bolt up to any of 'em .Just a ...

99 gmc sonoma heater only blows cold air.The inside gage reads150 sometimes when times when I turn the truck off for a short time and return minites latter.The gage reads slightly higher ,but air is ...

...GMC JIMMY DO NOT BLOW HOT AIR, I TAKE TO FEW MECHANICS AND ANY ONE CANOT FIX\ It could be the thermostat,make sure the air is bled out of system after replacing.if it runs at a normal operating ...

...2000 S10 4 3L slideshow picture How to Change Heater Core on 1994 Chevy 10 Blazer GMC Jimmy Oldsmobile... 98 GMC Jimmy Heater Core Replacement Video Diary Heater core replacement procedure 99 ...

...Gmc Jimmy water leak under the transmission I found a leak of antifreeze under my truck (99 Jimmy). I thought it was my heater core but a friend of mine told me that if the heater core goes bad, it ...

99 gmc heater core inlet hose plastic fitting broke how do i remove the plastic fitting off the heater core inlet hose Buy the correct tool