HVAC lines
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Junior Member
Joined: Jul 2011
Posts: 8
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From: Arlington, WA
Car: 1988 Pontiac Trans Am
Engine: 5.0 TPI
Transmission: 700R4
Axle/Gears: 2.73 Posi
HVAC lines
Hi I have a 1988 Trans Am 5.0 TPI and I was wondering where I could get new vacuum lines that run from the heater control to the diverter valve and check valve. Or at least tell me what size the hose is (I know its pretty small). 
Re: HVAC lines
1/8" hard plastic vacuum tubing... Any auto parts store. Look for the Dorman section with vacuum t's etc. It'll be blister packed on a purple card, and it'll be rolled up in about 3' lengths.
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