snavy

Hey all i had a friend who works for ford look at a rattling problem i have, first i thought it was the chain/guides. So my friend looked took off the drive belt, started the car, and the noise was gone!

So that means it eliminates the timing chain/guides right? We thought it was the top idle pulley, i changed it but the noise is still there! I looked at the harmonic balancer today seems to be not moving smooth!

could this be the cuase of the noise?

thanks

torpa

Make sure Bolt on Harmonic is tight.The Harmonic Balancer is made of three peices,the centre where the bolt goes through then a rubber bit and then the outer part which is pressed on to the rubber.sometimes the outer bit comes forward off the rubber bit as the centre can not move as it is bolted to the engine.Not saying this is the problem but cant hurt to check.

shano6

It can also be the water pump, alternator or any other pulley/bearing. When you have the belt off to check balancer, make sure you check all others by spinning and side to side check.

snavy

ah found it! its the water pump for sure! i have to replace it my friend said.

One thing he said tho if yuoget a water pump the pulley isnt on it, and to get one on you need a special tool?

snavy

just thinking can i just replace the pulley on the water pump?

eskyboi

No special tool required... a second 10mm spanner or a big flatblade screwdriver as a brace to stop the pulley turning is all that is needed.

Usually its not the pulley that is warped, but the bearing in the water pump goes creating freeplay. There is very little room for movement inside the pump where the impeller sits and it could be hitting the metal plate inside which creates the vortex for water flow.

__________________
88 EA Falcon S
3.9litre CFI
5spd Manual

RIP my ol' esky.. many years of good service

snavy

ok cool i'll take a closer look tomorrow thanks.

snavy

cool it was my water pump barings were gone!

got another one with a pulley on it already for 80 bucks which seemed good!