Mechanics

NO HEAT IN VAN BACK OR FRONT

1998 GMC Safari

Heater problem
1998 GMC Safari 6 cyl All Wheel Drive Automatic 170000 miles

I have no heat coming out when engin is warmed up, there is aslo no heat from rear heater. Not sure where to look first.
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Rich2336
October 29, 2008.



Be sure the coolant level is full. If so, check to see if all heater hoses are getting hot, even the rear ones located under the van. You may have some restrictions keeping the hot coolant from getting into the heater cores. If so try having the system backflushed by a radiator shop

Tiny
Jack42
Oct 29, 2008.