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I just changed the heater core on my 1985 Buick regal grand national and notice the hard plastic vacuum lines are brittle and break very easy so I thought I would change them. Is there a diagram of how and where they run to available?I just changed the heater core on my 1985 Buick regal grand national and notice the hard plastic vacuum lines are brittle and break very easy so I thought I would change them. Is there a diagram of how and where they run to available?
AnonymousMar 21, 2014
Need to know where to start lookingNeed to know where to start looking
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Same problem on my 98 Regal GS; remove glove box, locate the blend door actuator, (black odd shaped box with metal "ring"). Remove the box and manually turn the blend door shaft it was attached to. If you get cold air, it's the actuator you removed. About 30-40 dollars.
I had a similar problem....my 98 regal GS did the same. There is a two stage fuel pump resistor located in the right inner finder. It was corroded and open. The fix requires relocating new resister on firewall. Fix was $165.00 + tax to my mechanic and runs like new now. Hard to diagnose problem per mechanic.
go to the local repair shop...(IE.carx,midas.etc..) and ask one of the mechanics, If they will print off the diagrahm you need, they will do it for a small fee 5-10 bucks or so as long as your nice!
buy a new tensioner assembley and idler pully and might as well get a new belt while your at it. you will need a 3/8 ratchet a 15 mm socket and a 13 mm socket there is one bolt holding on tensioner remove it discard old tensioner put new tensioner in place and tight bolt. second remove bolt from idler pulley discard old pulley put inton place and tighen bolt. next install belt fallow belt routing digram put head of 3/8 rattachet into hole on tensioner or on bolt head of tensioner pulley depending on style of tensioner and pull or push to create slack in belt push belt into groves on all pulleys and release tensioner
locate the vacume lines under the top cover(plastic lines) of the engine, then trace them down to the lower front of the engine compartment, you will find the canister, and the solenoid.
vacume diagram
I just changed the heater core on my 1985 Buick regal grand national and notice the hard plastic vacuum lines are brittle and break very easy so I thought I would change them. Is there a diagram of how and where they run to available?
Need to know where to start looking
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