air cond. works great, but heat doesn't. engine cooling system is working ok.

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vacuum valve that should open inline to heater core does not open when heat turned on. I taped it open and I can feel the heater core box get hot, but still blowing cold air. what could the problem be?

davidbeach187 in Lyman SC

Oct 25, 2014

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What are the best Ford repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Ford Explorer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

air cond. works great, but heat doesn't. engine cooling system is working ok.

What is your question?

davidbeach187 in Lyman SC

Oct 25, 2014

0 Replies

This question doesn't have any answers yet

Get the conversation going by signing in or creating an account

Submit an Answer

What are the best Ford repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Ford Explorer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.