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2003 GMC ENVOY
I have a leak running down the firewall on the passenger side of the vehicle. It is in the location of where the heater hoses go through the firewall. I do not see any leaks at the hoses.
have the same problem?
Monday, April 23rd, 2018 AT 10:22 AM
It sounds like your heater core is leaking.
I attached a picture of it for you to view.
Will you be doing this procedure yourself?
Image (Click to enlarge)
Monday, April 23rd, 2018 AT 4:57 PM
to post a reply.
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