heater Core

How do you know if your heater core is stoped up?:screwy:

98 Pontiac (http://www.automotiveforums.com/vbulletin/forumdisplay.php?f=768) Grand Prix (http://www.automotiveforums.com/vbulletin/forumdisplay.php?f=386) S.E. 3.1 Apx. 170 miles

hello with the engine a normal temp.check the heater hoses going into firewall.if 1 is hot & the other is cold or luke warm heater core is blocked up

hello with the engine a normal temp.check the heater hoses going into firewall.if 1 is hot & the other is cold or luke warm heater core is blocked up

I just had a t-stat put on about 4 weeks. It worked good for a day or two. And now sometimes the heater will not blow hot air.And sometimes it will. The temperature gage goes up and down.

Thinks.........

Mickel

hello sounds like you got air in system that needs to be bleed out.check to see if there is a bleeder on thermostat housing.good luck, let us know on your progress

hello sounds like you got air in system that needs to be bleed out.check to see if there is a bleeder on thermostat housing.good luck, let us know on your progress

Is that the gold scrw on the intake. Beside the (top heater hoes). And how do you bleed out the air ?............... Thinks

Mickel