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View Full Version : spanner size for moving water pump.



marc69
04-04-14, 10:36 PM
Does anyone know the spanner size used for moving the water pump round on OHC small block engines?

Thanks

burgo
04-04-14, 10:37 PM
Mole grips

marc69
04-04-14, 10:39 PM
Mole grips

tried that, got nowhere, ended up taking the back plate off and hammer and large screwdriver job again lol

jimbob-mcgrew
04-04-14, 11:04 PM
its quite a big-un .. not sure on exact size as 32mm's the biggest spanner ive got, but it looks about 35 ish mil

millworm
05-04-14, 01:40 AM
There is a special tool for it, but I use a screw driver and hammer

Novasport
05-04-14, 07:54 AM
41 or 46mm I think. Get a vernier on it and measure it.

burgo
05-04-14, 11:10 AM
Does it not say in the haynes?

marc69
05-04-14, 08:03 PM
Does it not say in the haynes?

No, haynes doesn't specify. I'll take an old water pump down to the garage when I MOT the xe and go through thier spanners to get the right one.

Edd
05-04-14, 08:07 PM
ive always used a smallish pair of pipe grips, served me well for years