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Old 03-29-2018   #6
Dynomite
 
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Join Date: Aug 2009
Location: South Dakota/California
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Default Re: New Secondary Vacuum System for 1990

Quote:
Originally Posted by S.hafsmo View Post
This kit does not include the hose between pump and plenum, I assume?
That is the hose connected to pump up to about the oil filter which is not included in this kit. And the kit does not include the longer hose reaching under the ECM which Manifold Differential Pressure is located under the Plenum on the 93'-95'. I use both original hoses on the 1990 in those two places.

The two stock original lines used in those two places are external to the Plenum and the Plenum does not have to be removed to make sure the two Ls involved are not leaking (one L to vacuum pump and one L to MDP).

Last edited by Dynomite; 03-29-2018 at 11:33 AM.
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