Evo Engine / Turbo / DrivetrainEverything from engine management to the best clutch and flywheel.
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i suspect my water pump is leaking, but i can't really tell. there is a VERY small leak on the passenger side that is collecting near the bottom of the crank pulley, then dropping on one of the oil cooler lines, and then finally, dripping on the floor. it is maybe one drop every 15-30min.
i have a 4g64 swap, so i'm assuming that there is a leak where the pump meets the block. i want to check and possibly re-gasket it. can i remove the water pump without removing the timing belt?
As far as I can remember you can remove the pump without pulling the belt itself. Even if you have to pull the belt it isn't a big deal. All the marks should be there to align the cams and crank. Just verify they are lined up before you pull the belt and ensure they are the same when you put it back on.
The pump itself can be leaking too. I replaced my original pump and the replacement started leaking around the shaft. Had to replace it again.
Stock block, Lots of mods.
11.1 @ 131mph
Offset on the pump is wrong with the pulley attached. We have looked for a bolt on solution and tried everything suggested from every forum. There is no factory pump that bolts on and works with the Evo belt setup.