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Old 04-09-2014, 12:29 AM
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slk230red slk230red is offline
WECO Installer
 
Join Date: Jul 2006
Location: Tampa, FL
Posts: 820
Quote:
Originally Posted by lear60man View Post
1987 2.3 16v.

Its wide open and heat is pouring into the cabin. I would like to test if its the valve or lack of vacume on the line before I order another valve. What buttons should I push in the cabin to command heat (vacuum) from the red line?

Rookie question but the car is new to me and no manual etc. Hey at least I used the search function and found the source of Pompei! I just tie wrapped it off in the mean time.....94 deg outside today.

Thanks
When I had that problem it was a lack of vacuum due to a defective defroster pod behind the dash. I put a solid vacuum source at the valve to keep it closed until I replaced the pod.

I had to perform a vacuum test of the cross over valves that are located under the glove box on the right side to isolate the defective pod.

With the heat off, there should be vacuum on the red line going to the valve.
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1993 190E 2.3
2001 SLK230
1971 LS5 (454) Corvette Convertible
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