If it's like the pumps in the later 216's, like my 49 (but not like the
older 235's, with the fan pellars recessed into the block), then you have a
gasket leak EITHER where the pump attaches to the block (two ports, I
believe, in & out) OR the plate that is used to seal the back of the water
pump casting is distressed. If you don't see water leaking out the front
(hard to see with the deeply recessed pulley that the 216's all have) OR
hear "scrawling" from the pump bearing/bushing, then the pump is probably
not in need of a mechanical rebuild or replacement.
Regards,
Doug Pewterbaugh
dpewter@msn.com
Denton, TX
49 3104 216 5-window
----- Original Message -----
From: "Jhouse" <jhouse@ccsol.com>
To: <old-chevy-truck@yahoogroups.com>; <oletrucks@autox.team.net>
Sent: Wednesday, November 14, 2001 12:08 PM
Subject: [oletrucks] The cold got to me
> Well all summer my 46 1/2 ton was boiling over, after an hour drive.
> Original 216 with NO MODIFICATIONS, 65,000 miles, one rebuild with +30,
new
> head job last summer. It runs great in the winter and below 70 outside it
> hangs out around 175. So I just add a 1/2 gallon of water as needed and I
> was on my way.
>
> Now that the temp had dropped and I did not have anything in the system
> beside water, I now have a stream of water going down my driveway. I
> refilled the system and started the motor. Well it still is poring out.
At
> first I thought it was coming through the driver side of the block. Well
> now I have found it to be coming out the bottom of the water pump.
Between
> the pump and the block. I have both a rebuilt water pump and a water pump
> rebuilding kit. I am guessing that I should swap it out with the
> replacement and hope everything is ok.
>
> Any input?
>
> It looks like a simple but time consuming job - is it - any hints?
>
> Thanks,
> NHJim
> 45 Chevy 3104
> Hollis, NH (now it up to 55)
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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