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Old Mar 21, 2008 | 09:54 PM
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Ok so i changed my timing chain, put the nice new chrome timing chain cover on, got my new harmonic balancer on and pulleys. I bought a new chrome water pump from ecklers, and did a test fit, i had it bolted up with the pulley on the water pump and for some reason beyond me the pulleys on the harmonic balancer and the pulley on the water pump now are way to close to eachother. They even touch!. Now i thought maybe there was a shipping problem and they sent me the wrong water pump. So i disassembled everything again and put all the orginal things on and presto!..... they still are too close to eachother. The crank shaft isnt broken or anything.. so what in the crap could have happened.. any ideas?


Just another problem for the money pit!
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Old Mar 21, 2008 | 10:06 PM
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I would guess the new water pump pulley you bought is a larger diameter pulley than the stock pulley so it contacts the crank pulley.
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Old Mar 21, 2008 | 10:08 PM
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Originally Posted by Durango_boy
I would guess the new water pump pulley you bought is a larger diameter pulley than the stock pulley so it contacts the crank pulley.
Pulleys are the same ones that were on the pump before.. the only change was the actaully pump

Last edited by Zulian; Mar 21, 2008 at 10:12 PM.
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Old Mar 21, 2008 | 10:13 PM
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Originally Posted by Zulian
Pulleys are the same ones that were on the pump before.. the only change was the actaully pump

Any chance you have the pump on upside down?
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Old Mar 21, 2008 | 10:17 PM
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Originally Posted by Durango_boy
Any chance you have the pump on upside down?
I thought the same, so i attepted to put it on the other way but theres no way the hoses would work.. then to top it off the bolt pattern doesnt work the other way as well... so it can only bolt on right.. thats about where im at now.
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Old Mar 21, 2008 | 10:19 PM
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Could it be the wrong pump?They made a short leg and long leg pump.
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Old Mar 21, 2008 | 10:27 PM
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Originally Posted by 76 VETTE
Could it be the wrong pump?They made a short leg and long leg pump.
heh yea another thing, i tryed putting all the orginal parts back on and its still to close.. I honestly am at a loss on this one i tryed just about everything i can think of.. There has to be an explaination for it right?
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Old Mar 21, 2008 | 10:53 PM
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Is the damper on correctly? Is it not fully seated and maybe cocked a bit? Try rotating the engine (manually or with starter) to see if the 'gap' between them changes. That's my guess....
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Old Mar 21, 2008 | 11:02 PM
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isnt there multiple bolt holes on the harmionic?........ maybe you got lined up wrong......

b
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Old Mar 21, 2008 | 11:34 PM
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Originally Posted by 7T1vette
Is the damper on correctly? Is it not fully seated and maybe cocked a bit? Try rotating the engine (manually or with starter) to see if the 'gap' between them changes. That's my guess....
Thats a good one ill have to check.

Originally Posted by onaqwst
isnt there multiple bolt holes on the harmionic?........ maybe you got lined up wrong......

b
The bolt hole are symetrical so even if i unbolt, rotate and rebolt.. its still the same
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Old Mar 22, 2008 | 12:42 AM
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Sounds to me like you new-from-Eckler's water pump is mismachined. Compare the distance between the water port attach bolt holes and the pump snout center on your old and new pumps. I'm guessing the Eckler's pump dimensions will be shorter. Good ol' Chinese quality....
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Old Mar 22, 2008 | 12:53 AM
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You said you have a new Harmonic Balancer, I'm guessing it's larger than the original as they do come in different sizes.
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Old Mar 22, 2008 | 07:32 AM
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Dohoooo.... That's gotta be it.
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Old Mar 22, 2008 | 09:16 AM
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Originally Posted by Zulian
the pulleys on the harmonic balancer and the pulley on the water pump now are way to close to eachother. They even touch!.

Originally Posted by Ray Y
You said you have a new Harmonic Balancer, I'm guessing it's larger than the original as they do come in different sizes.

I thought he said the pulleys were touching, not the water pump pulley touching the balancer.

I don't know if that even CAN touch.
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Old Mar 22, 2008 | 09:28 AM
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[QUOTE=Zulian;1564657625]Ok so i changed my timing chain, put the nice new chrome timing chain cover on, got my new harmonic balancer on and pulleys. I bought a new chrome water pump from ecklers, and did a test fit, i had it bolted up with the pulley on the water pump and for some reason beyond me the pulleys on the harmonic balancer and the pulley on the water pump now are way to close to eachother. They even touch!. Now i thought maybe there was a shipping problem and they sent me the wrong water pump. So i disassembled everything again and put all the orginal things on and presto!..... they still are too close to eachother. The crank shaft isnt broken or anything.. so what in the crap could have happened.. any ideas?


Seems like someone else had this same problem not too long ago. Not sure what the fix ended up to be. You might try a search, and see what comes up. Cheers..

Tommy
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Old Mar 22, 2008 | 09:56 AM
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Obviously since you said you put the old stuff back on and the problem still existed, the condition must have been there before and you just did not notice???? It is ok for the pulleys to be close as long as they dont touch. Or may be you can get a smaller water pump pulley with the same configuration and get different belts.
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Old Mar 22, 2008 | 02:17 PM
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Originally Posted by Road-Race Vette
Obviously since you said you put the old stuff back on and the problem still existed, the condition must have been there before and you just did not notice???? It is ok for the pulleys to be close as long as they dont touch. Or may be you can get a smaller water pump pulley with the same configuration and get different belts.
I did figure that it wouldnt be a problem but i want to know what happened. The thing is that before i took the car apart they were spaced about 1-1 1/2 inches apart. And the belts are much to loose now.. There has to be a reason why its like that now and not the way it was.
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Old Mar 22, 2008 | 02:39 PM
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Originally Posted by Zulian
I did figure that it wouldnt be a problem but i want to know what happened. The thing is that before i took the car apart they were spaced about 1-1 1/2 inches apart. And the belts are much to loose now.. There has to be a reason why its like that now and not the way it was.

Can you post some very detailed pics of the way it is now from all sides? Sometimes we can see things, or notice things that might not be too obvious to someone else. The more eyes the better.
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Old Mar 22, 2008 | 04:34 PM
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umm ill see what i can do, might be a bit tho
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Old Mar 22, 2008 | 06:37 PM
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This doesnt make any sense. What happens when you put your old parts next to the new ones. ARE THEY THE SAME???? The geometry between the parts shouldnt change if they are the same.
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