My heater only seems to work if the car is warm and driving over 30 mph.

Asked by hyork85 Nov 28, 2018 at 04:37 PM about the 2000 Chrysler Grand Voyager 4 Dr SE Passenger Van Extended

Question type: Maintenance & Repair

When sitting idle, heater only blows cold air even after it's been running awhile.
Heater core issue? All fluid levels fine.

1 Answer
22,630

Guru9FSV8 answered 5 years ago

Backflush the heater core to see if this fixes it. Also make sure all air is out of system.

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