My yukons front heater only blows cold air

Asked by Spacy_Stacy16 Dec 19, 2016 at 03:48 AM about the 2001 GMC Yukon Base

Question type: Maintenance & Repair

I have a 2001 gmc yukon and the front heater blows cold air when turned to
hot setting. The ac works just fine. The weird thing is that the rear heater
blows out kind of lukewarm air. What could be causing this issue???

2 Answers
30

GuruC2ZRY answered 5 years ago

This may be completely wrong, but in my 2005 Yukon, the coolant goes in to the plastic reservoir which has a "low" and "high" level mark...I'm assuming that is the coolant level...Let me know otherwise please.

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