Removing the hoses from the core and backflushing did the trick.
1998 gmc jimmy heater control problems.
1998 2005 gmc jimmy blazer climate control 100 oem 16250535 heater a c unit.
Replaced the blend air module and control module.
Check the blender acuator sound like it s not moving back and forth under the dash.
1998 jimmy climate control system not working properly.
Will only work blow cold and through the vents.
1 15 of 20 total problem s.
Abs light due to brake system control unit failure.
It either blows really hot air or none at all.
After losing hot air in december 04 i discovered that my 1998 jimmy had coolant grit blocking the heater core on the inlet.
The worst complaints are equipment electrical air conditioner.
Abs light due to brake system control unit failure the anti lock brake system abs control unit may fail internally causing the abs warning light to illuminate.
1998 gmc jimmy ac heater problems with 5 complaints from jimmy owners.
79 reports 27 comments.
The air conditioner doesn t work now either.
Get no defrost heater etc get no warm air.
Find the most common driver reported problems that are to blame when a gmc jimmy has heater problems.
Recently asked 1998 gmc jimmy problems.
Chevy garage said it is the automatic temp control auctuator or something else.
35 reports 12 comments.
Hello i changed temperature control switch still sending hot air from te vents everything start when my heater not work then i flush the system new coolant in the radiator etc.