I'm hearing a knocking/grinding sound coming from my top timing cover. I'm assuming its my water pump, It's much easier to locate a St202 or St185 or even a MR2 turbo water pump, but the st185 has the rev 2 engine and the mr2's thats available, and the st202 has the 3s engine but its none turbo,
has anyone tried fitting a pump from any of these to the rev3 engine (st205) please help

the pump itself is the same, the housing is different, so buy a ST185 pump without housing and swap the housing from your ST205 old setup, that's what I did

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the housing? I thought it was all in one piece. Do you have any photos of the process? Is it easy to swap?

it's easy, I don't have pictures but no, it's not one piece, the pump shoud come with a gasket that you'll need, but is easy, unbolt the pump from the housing, replace the gasket and bolt the new pump, done.

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Thanks alot man! Will be ordering a st185 pump then, and just unbolt

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x2

Here is a 4th gen water pump housing (left) next to the other gen water pump housing(usdm MR2 so i guess 2nd gen?)


as u can see housings are different HOWEVER...


water pumps EXACTLY the same
i got the brand new housing from toyota sitting around...

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yep, I'm happy for that ... gonna order my new pump this week, um.. another thing, is there any other rear brake pad compatible with the st205's?? cause I can't seem to get any around here and the closest place that have is in the U.K and I'm in the west indies, so shipping kills

supra twin turbo will work

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Thanks alot ...but is it JZA80 or JZA70??