What is your question?
·
·
Have an auto question? Local mechanics have answers.
Auto experts have answers.We'll send your question to trusted nearby shops.
What is your question?
Car is actually an 86 Parisienne,but no category here.Heater core is not clogged.Zero heat in car.Am I correct that the next possible faulty item is the vacuum controlled valve at one end of a heater hose?One hose hot, one hose cold. Thanks.
1 Reply
Per the GM manual I consulted, you have no heater control vavle on this car. If you have a hot inlet but cold outlet hose in your heater core, it has to be a restriction. You have flushed it and it is clear?
Thank you for researching.The core is clear-I disconnected the lines and attached two pieces of hose,ran a garden hose through it-AOK.The car does have a vacuum controlled valve on the manifold, to which one hose attaches.Vacuum is present when the heat is off, not there when on,so I'm assuming a stuck valve. Update: I replaced the heat valve-problem solved.Thank you again for consulting your manual.