www.iFourWinns.com

I've heard both pumps called circulating.....is it the impellor pump or the main water pump

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08' H210SS
VP 5.7Gi

The circulating pump is the old style Chevy water pump on the front of the engine.esay job,sometimes it is a bit tough to get the pulley off. They last a long time; only replace when the bearing gets noisy or leaks. I’m on my 3rd one...

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88 Four Winns 200 Horizon
4.3 OMC Cobra-4bbl
2002 Walker Bay 10/2012 Suzuki 2.5
2008 Walker Bay 8

1998 Jeep Grand Cherokee 4.0/Selectrac
2007 Jeep Grand Cherokee 5.7 Hemi/Quadradrive II

Only tip I have is to throw a towel in the bilge first. It will hold bolts so you can pick them with magnet. If like my jobs you will drop at least one.

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http://i1339.photobucket.com/albums/o71 ... wqm355.jpg


08' H210SS
VP 5.7Gi

I replaced mine a couple of months ago in my 1998 5.7GSi. The only problem I had was since it was the original pump there was paint drops on a couple of the bolts that prevented a socket to fit on it.

If you have closed cooling, a standard automotive pump is ok. If not, you need the marine one ( which has a stainless backplate and maybe some other bits use corrosion resistant materials as well)/

I changed it on my 1999 GSi. No real problems, I was just thankful I still had my old "imperial" sockets and spanners !

One thing to watch out for; mine had two V belts, not a serpentine belt. The hub that the pulley bolts onto had been pressed a few mm too far down onto the shaft, meaning the pulley was out of alignment with the others on the engine. I couldn't pull it back with a puller, so I had to use spacer washers behind the pulley to bring it forward and into alignment.

Good luck, hope it goes well for you!

Take good pics and notes on the throttle/shift cables, mine sticks a little, not bad, but I could See that in a couple years

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Current:
2000 Sea Ray 380 Sundancer "still Livin the Dream"

Past
2002 268 Vista 5.7 GXI "Livin' the Dream"
1996 Rinker 192 Captiva. "The Simple Life"
1999 Yamaha XLL 1200 Waverunner.
1976 Mercury Marquis tri hull 120 hp