Question about 1988 Chevrolet K2500
Where is the vacuum modulator located
The 1988 K2500 does not use a vacuum modulator. You only have a throttle valve cable (TV cable) wich is located on the left side of the transmission. the cable goes to the throttle linkage. If incorrectly adjusted or broken the transmission wont shift up/ skid.
Posted on Feb 12, 2009
Tha vacuum modulator will not keep the truck from shifting,it only helps with sift quallity.it sound like you have some internal problems and will need to take it to a transmission shop
Posted on Jan 02, 2009
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Posted on Jan 02, 2017
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