Clicking noise from engine
#1
Clicking noise from engine
Is my Cat starting to show its age? 2 months ago, I got the dreaded CATS warning and yesterday, a clicking noise after the engine warms to operating temp! It sounds similar to a slipping fan belt or a bad water pump but, with all the hardware in the way-I cannot locate the problem.....
#2
Clicking? Like a ticking? does it change with engine revs or seem independent?
purge valve is a common cause of these (I thought mine was a lifter)
https://www.jaguarforums.com/forum/x...icking-108555/
purge valve is a common cause of these (I thought mine was a lifter)
https://www.jaguarforums.com/forum/x...icking-108555/
#4
Clicking? Like a ticking? does it change with engine revs or seem independent?
purge valve is a common cause of these (I thought mine was a lifter)
https://www.jaguarforums.com/forum/x...icking-108555/
purge valve is a common cause of these (I thought mine was a lifter)
https://www.jaguarforums.com/forum/x...icking-108555/
Last edited by reyesl; 03-12-2014 at 07:02 PM.
#5
#6
No change with RPM, noise is coming from the front-left-side of engine and is very audible while sitting in the vehicle with windows down. Once again, as you all know, there is a lot of stuff in the way and I am not ready to remove parts as yet. I have had several loose belts on other vehicles and this noise sounds close to that. The noise starts when the coolant is at operating temp!
#7
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#10
I have worked on cars, trucks, and heavy equipment for 41+ years and the noise varies with veh type, belt type, tensioner type, and powertrain. In my case, the noise got louder when in gear but not faster. A loose belt may get louder and get higher in noise-pitch like a squeal.
Anyway...I checked the belt--it is worn. Also checked the tensioner and the pulley bearings are worn (the bearings were making the noise). I have to replace both and since a few hoses are in the way, I may also have to purchase a tensioner tool to do it right.
I may also replace the idler pulley mentioned in this post:Bad bearing or water pump or ?????
Anyway...I checked the belt--it is worn. Also checked the tensioner and the pulley bearings are worn (the bearings were making the noise). I have to replace both and since a few hoses are in the way, I may also have to purchase a tensioner tool to do it right.
I may also replace the idler pulley mentioned in this post:Bad bearing or water pump or ?????
Last edited by reyesl; 03-14-2014 at 04:08 PM.
#12
Purchased 2 pulleys and 2 bearings from the local O'Rielly Auto Parts Store at a very reasonable price.
(Purchased the 2 bearings to replace the worn units and will use those as backups if needed.)
Replaced the 2 bearings, looks good as new..
(Purchased the 2 bearings to replace the worn units and will use those as backups if needed.)
Replaced the 2 bearings, looks good as new..
Last edited by reyesl; 03-19-2014 at 12:17 PM.
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