Not getting heat

Asked by Dec 01, 2016 at 01:23 PM about the 2001 Pontiac Grand Prix GT

Question type: Maintenance & Repair

Temp gauge on car will jump around mainly
between 190 and 210. Have replaced thermostat,
hoses all feel hot, but still not getting any heat in
the car 2001 pontiac grand prix gt with the 3.8.
Help?

1 Answer

4,075

Doesn't sound like the hot coolant is flowing through your heater box. Check the inbound and outbound hoses, both must be hot to transfer the heat to the cabin air. Also, when the car is at operating temp, does the coolant expand to the "Full Hot" line on the overflow reservoir?

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