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6.2 Vacuum Pump

AZDeuce

Active member
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Location
Tonopah, AZ
Gentlemen:

About 7-8 years aggo i installed a 6.2 Humvee engine in my M1009 Blazer, I had to swap everything except the heads and block, including the vacuum pump, it was easy to do outside of the vehicle.

This morning when I pulled my non-working pump out a long 6 sided steel shaft came out with it. I read in the installation paper for the new pump that the vacuum pump runs the oil pump.

So I'm ASSuming that this long shaft runs down to the oil pump. It didn't come out the first time, years ago, but it did this morning.

My question is HOW do I re-install the shaft, I have no tool long enough to put the shaft back in place, and then install the vacuum pump on top of it.

SO..........I need to attach the shaft to the vaccuum pump and install it all back as one unit. I don't want to use lock-tite, or a silicone/RTV compound as it might dry up and fall into the engine causing damage, later on down the road.

I'm thinking of putting a gob of synthetic wheel bearing grease into the vacuum pumps shaft opening, and on the shaft itself and hoping it will hold the shaft in place while I lower the pump/shaft into it's hole.

Do you think this will work, or do any of you have a better solution?

THANKS!
 

Recovry4x4

LLM/Member 785
Super Moderator
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My suggestion would be to extract the entire shaft out of the bad vac pump and use it alone to install the oil pump drive.
 
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