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Couple Of Questions - Water Pump & Possible Wheel Bearing

water pump wheel bearing engine mount

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#1 james4563

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Posted 03 December 2018 - 06:40 PM

I've had my low coolant light come on a few times over the last few days, at it's worse today. I checked the exp tank and the level is indeed a tad low, 1cm or so probably. I just wondered, do the water pumps on the Z20LET have the little hole that will start to leak water when the pump is beginning to fail? When I changed the oil the other week I noticed I had a dried water marks down the back of the engine underneath the alternator area where some coolant seems to have been leaking, would this be water leaking from the pump?

I can't see any actual hose leaks or anything and haven't had a chance yet to get the under tray back off and inspect further.

 

 

Unrelated to the above I am also getting some grinding type noise from the rear under certain cornering conditions. Most noticeable when taking a roundabout a bit sprightly, so right hand turns. I was thinking wheel bearing, but I cannot feel any play, do they fail without play, or would there be play if the bearing was worn? I guess the other possibility is engine side engine mounts as I've read that can make a horrid sound, but when going on/off the throttle in say a low gear I don't really hear anything that would suggest the mounts are dead.

 

Thanks :happy:



#2 chris_uk

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Posted 03 December 2018 - 07:04 PM

jack up the side of the car which is suspect and spin the wheel, if the bearing is shot you will hear it.. 

 

if you need a new one drop me a PM ive got a couple brand new FAG ones sat here. 



#3 Horace

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Posted 04 December 2018 - 09:43 AM

Floor it in first gear.  You'll know if your engine mounts are shot immediately from the noise.

 

I had a noise I thought was a wheel bearing.  Turned out the alternator bearings had given up (high mileage car).


Edited by Horace, 04 December 2018 - 09:44 AM.


#4 Johnboyhgt

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Posted 04 December 2018 - 12:47 PM

jack up the side of the car which is suspect and spin the wheel, if the bearing is shot you will hear it.. 

 

if you need a new one drop me a PM ive got a couple brand new FAG ones sat here. 

 

Also hold onto the spring at the same time, you will feel the grumbling through your hand if its not noisy enough yet.



#5 Nev

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Posted 06 December 2018 - 06:19 PM


 

Unrelated to the above I am also getting some grinding type noise from the rear under certain cornering conditions. Most noticeable when taking a roundabout a bit sprightly, so right hand turns. I was thinking wheel bearing, but I cannot feel any play, do they fail without play, or would there be play if the bearing was worn? I guess the other possibility is engine side engine mounts as I've read that can make a horrid sound, but when going on/off the throttle in say a low gear I don't really hear anything that would suggest the mounts are dead.

 

Thanks :happy:

 

Check both your drive shafts are fully seated home in the gearbox, sometime they can come out.
 







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