A terrible squeal

HISSIN50 · May 3, 2006

Bill is saying to put pressure behind the bolt's head as you turn. The head should be quite exposed.

Good luck.

Therian · May 3, 2006

HISSIN50 said:
Bill is saying to put pressure behind the bolt's head as you turn. The head should be quite exposed.

Good luck.

Indeed it is...I'll be tackling it tomorrow...hopefully penetrating oil, some heat, a pry bar, and some beer will do it

MysteryMachine · May 3, 2006

yeah my bolt was like that pretty sure it was the same one. It had so much corsion on it that it wouldn't come out if you can get a tourch in tehre can't remember how much room is down there heat that sucker up. If not spray a **** load of lube in there that'll open her up.

Just once I need to keep my head out of the gutter

bill302 · May 3, 2006

good luck tommorrow Therian where did you end up getting a new pump...

Therian · May 3, 2006

bill302 said:
good luck tommorrow Therian where did you end up getting a new pump...

I actually haven't got a new one yet...still waiting to see if the one currently in there can be revived at all...I'll post results tomorrow

Nagash01WS6 · May 3, 2006

I had to pull the pulley off mine, the bolt backed up right into it.

HISSIN50 · May 4, 2006

The pulley should have to come off first. Leave the belt on, remove the 3 bolts on the pulley, then remove the troublesome bolt. It cant have been this simply, can it?

Therian · May 4, 2006

HISSIN50 said:
The pulley should have to come off first. Leave the belt on, remove the 3 bolts on the pulley, then remove the troublesome bolt. It cant have been this simply, can it?

The pulley was the first thing off...no problems there. Got the bolt out today...the prybar method worked quite well...now as for getting the smog pump itself apart...there's three obvious bolts that are holding it together, what else needs to be taken out for it to open up?

95strokerPSU · May 4, 2006

Looking in your sig it looks like you have a prochamber, so why r u even spending time on the smog pump...just ditch it and run a short belt or delete pulley.

The Green GT · May 4, 2006

95strokerPSU said:
Looking in your sig it looks like you have a prochamber, so why r u even spending time on the smog pump...just ditch it and run a short belt or delete pulley.

Emissions tests

Therian · May 4, 2006

The Green GT said:
Emissions tests

precisely. and everyone is ****ing up this environment enough I figure I should do what I can to keep my car legal. I'm sure many people on this forum disagree and would say that their car won't make a big difference in the grand scheme of things...the car itself won't...but the attitude sure will

on a side note, steven harper and george bush enjoy gay love together

Therian · May 4, 2006

Anybody know what else is required to get the smog pump apart other than those three bolts?

bill302 · May 4, 2006

this is where i get off the bus i never took one apart...

Therian · May 4, 2006

bill302 said:
this is where i get off the bus i never took one apart...

I appreciate your help on getting it out, nice to have new ideas to try. I'm sure a couple people have taken them apart and will chime in

bill302 · May 4, 2006

just keep posting the info. and i'll learn through your experience....

HISSIN50 · May 5, 2006

When I took mine apart, it was a real tight fit. The bearings (cool little roller races) in there are a little intricate because the vanes move in an elliptical plane. The mainshaft goes through about 3 sets of these bearings.

Dont put the pump in a vice (the compression can distort the housing enough to make it hard to disassemble). Just turn the shaft back and forth till it starts working loose. It should come apart if you keep doing this.

Oh, I just remembered that I had to whack mine with a rubber mallet to break it free initially - that might be helpful.

MysteryMachine · May 5, 2006

HISSIN50 said:
When I took mine apart, it was a real tight fit. The bearings (cool little roller races) in there are a little intricate because the vanes move in an elliptical plane. The mainshaft goes through about 3 sets of these bearings.

Dont put the pump in a vice (the compression can distort the housing enough to make it hard to disassemble). Just turn the shaft back and forth till it starts working loose. It should come apart if you keep doing this.

Oh, I just remembered that I had to whack mine with a rubber mallet to break it free initially - that might be helpful.

What the hell did you just say?

HISSIN50 · May 5, 2006

MysteryMachine said:
What the hell did you just say?

I said:

When I took mine apart, it was a real tight fit. The bearings (cool little roller races) in there are a little intricate because the vanes move in an elliptical plane. The mainshaft goes through about 3 sets of these bearings.

Haha.

Seriously, it's simple. The back of the pump separates from the housing (that's how I took mine apart alteast). There's a long shaft that goes down the middle of the pump longitudinally. To increase volumetric flow, the vanes inside the pump travel in an variable path - the vanes have a recess to fall into as the pump rotates. It seems to me that centrifugal force is what makes the vanes want to pop out and get very close to the walls, to move air. But if the bearings get some slop, the vanes hit the wall instead. The vanes in my pump were hitting the wall ever-so-lightly on one side's wall, which made a nasty whirring noise.

Therian · May 5, 2006

as far as separating the back of the housing from the front though...I took out the three bolts, and I did indeed hit it with a mallet a couple times...the sucker wouldn't budge. Is there anything other than those three bolts that need come out for it to separate?

MysteryMachine · May 5, 2006

to many big words I'm done with this thread

A terrible squeal

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