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Water pump problem ?!?!

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Water pump problem ?!?!

Posted: 3/26/04 8:20amMessage 1 of 7
U
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Endicott, NY - USA
Joined: 11/17/2003
Posts: 12
Vette(s): 1972 Corvette coupe, unrestored, 155,000 miles. 1995 Corvette 6 speed convertible
When starting my "72 coupe, 350 cu. inch, I get a loud ticking noise in the area of the fan and water pump. This only happens when engine is cold, and goes away after engine warms up. There is no antifreeze leaking, and no smell of antifreeze. Could I have a bad water pump,or might this be something else? (No problems with overheating either). |headscratch|
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Water pump problem ?!?!

Posted: 3/26/04 9:13amMessage 2 of 7
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WEST SENECA, NY - USA
Joined: 12/3/2001
Posts: 2381
Vette(s): 1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.
I had a similar problem like that a few years ago on our '94 GMC Jimmy. Turned out to be a bad motor mount. The tip of the fan blade would just ever so slightly touch the shroud. Only when the engine was cold. After it warmed up, it was gone. |headscratch| .
Or maybe the impeller in the water pump may be rubbing the back plate on the pump. If you have a mechanic's stethescope that may help you pinpoint your noise.
Good luck!
Sarge


GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.

3.54 Dana 44
'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975




Click here to see more pics of my Vette on CarDomain.


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Water pump problem ?!?!

Posted: 3/26/04 12:01pmMessage 3 of 7
R
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BINGHAMTON, NY - USA
Joined: 7/19/2003
Posts: 3825
Vette(s): ......
I didnt know I had a next door nieghbor in here,I live on the east side of Binghamton welcome nieghbor |wavey|

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Water pump problem ?!?!

Posted: 3/26/04 3:27pmMessage 4 of 7
U
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Endicott, NY - USA
Joined: 11/17/2003
Posts: 12
Vette(s): 1972 Corvette coupe, unrestored, 155,000 miles. 1995 Corvette 6 speed convertible
LOL!! Sorry Ron, I've had it with upstate NY winters. I just bought a home in Sun City Hilton Head, about 13 miles from Hilton Head Island, South Carolina....gonna use my vettes and boat ALL YEAR!! |cheers|
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Water pump problem ?!?!

Posted: 3/26/04 4:12pmMessage 5 of 7
R
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Joined: 11/12/2003
Posts: 63
Vette(s): 69 coupe with recent body off restoration.
I gave up on NY winters and am in the process of moving to FL. I spent a good part of the winter there this year and hope to spend 12/forever after May. I love heat and sun and I have alot of catching up to do.
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Water pump problem ?!?!

Posted: 3/26/04 4:23pmMessage 6 of 7
R
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Joined: 11/12/2003
Posts: 63
Vette(s): 69 coupe with recent body off restoration.
NY summers are great, just not long enough for me.

|UPDATED|3/26/2004 4:23:36 PM (AZT)|/UPDATED|
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Water pump problem ?!?!

Posted: 3/26/04 5:38pmMessage 7 of 7
d
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KERNERSVILLE, NC - USA
Joined: 1/13/2004
Posts: 1355
Vette(s): 1968 L-71 convertible
Try this too, loosen the belt for the pump and grab the top and bottom of the fan blade, gently do a push - pull or up and down on the blade to see if you have movement in the water pump shaft, if you have noticeable play, the pump bushing is worn and will fail.
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