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Old 10-14-2019, 08:12 PM
iapexl8r's Avatar
iapexl8r iapexl8r is offline
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Join Date: Jul 06, 2018
Location: Nort Idaho
Posts: 51
4wd Vacuum diaphram fix

Hey everybody i have a 1976 Jeep cherokee chief . And I think my 4wd actuating diaphram is shot. I hook my vac pump to either side and cannot make vacuum.

I cannot seem to find this part. Is there a modification or a fix for this. Any help would be greatly appreciated.

1976 Cherokee chief
1970 AMC rebel THE MACHINE
1969 AMX
1965 mustang fastback
1972 international travelette
Yes I have a problem that’s why Iam here
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Old 10-15-2019, 09:03 AM
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babywag babywag is offline
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Join Date: Jun 08, 2005
Location: Land of froot loops and cukcoo-nuts, CA
Posts: 9,793
Been several years since I had to deal with a QT but @ one time mile marker was still making them.
Might try giving them a phone call?

Used to be someone on eBay selling them, or used is obviously an option as well.
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Old 10-16-2019, 05:11 PM
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rang-a-stang rang-a-stang is offline
Join Date: Oct 31, 2016
Location: Camarillo, CA
Posts: 3,775
I had to search one down last year and bought one of the NOS ones on ebay. Dude was charging $80/each but I needed it. When I bought it, he said he only had one more after me. I do not know of anyone else making them.

The want ad you posted is probably your best bet. I am sure someone has one laying around.

At one time Rocklaurence was entertaining the idea of making a manual pull handle but I don't think anything came of that.
79 Cherokee Chief (passed CA smog check Sept 2020)
(Cherokee Build Thread)
11 Nissan Pathfinder Silver Edition 4x4
09 Mazdaspeed3 Grand Touring
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