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7.3 Intake Manifold Screen

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Old Nov 19, 2020 | 03:53 PM
  #16  
lonewolf_'s Avatar
lonewolf_
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it is a "Sealing Washer" not a heat shield... however I have heard folks call them that...


on your Brakes just connect a Vacuum Gauge to the Vacuum manifold to see what is happening... if you have good vacuum then do the Booster Tests.



NOW on the VW the injectors are different and they used Heat Shields.


 
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Old Nov 19, 2020 | 08:08 PM
  #17  
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RuralTowner
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Both still seal. On a problem motor I briefly test ran without them & got blow-by w/o them.

Somewhere I have a T-fitting normally used on swamp coolers that will fit the hose going to the brake booster. Can plug in 1 end...thump plug the other while there is a small side nipple for a vac gauge.

Tomorrow will either dig that piece up or rig up something sot it can be checked. Ran out of time today to dig it out or even do a Vac test as been busy trying to get my WVO centrifuge to actually spin up...is one of the 55gal//hr ones. I only use the oil in the DD.
 
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Old Dec 19, 2020 | 03:27 PM
  #18  
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RuralTowner
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Truck not used much at the moment but finally got around to checking the vacuum draw @ the booster. A near solid 25. I think my booster took a dump then.
Would the booster from a gasser work?

Truck also sat awhile since last run so it took quite a bit of cranking to get started even with the inline pump I installed on the frame to help with priming. The little O-ring in the top of the filter housing (highest point) will get replaced next.
 
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Old Dec 19, 2020 | 09:33 PM
  #19  
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DarkOverCast
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Originally Posted by RuralTowner
Truck not used much at the moment but finally got around to checking the vacuum draw @ the booster. A near solid 25. I think my booster took a dump then.
Would the booster from a gasser work?

Truck also sat awhile since last run so it took quite a bit of cranking to get started even with the inline pump I installed on the frame to help with priming. The little O-ring in the top of the filter housing (highest point) will get replaced next.
Gas or diesel doesn't matter, it's the gvwr 8600 below or above. Most 3/4 ton and up gassers should have the big booster.

87-97 should all interchange. At least my 89 has a 95 one on it and it bolted right in and worked..
 
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