Engine tick
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TReK
Joined: May 2011
Posts: 2,768
Likes: 396
From: kitchener, canada
Engine tick
when I got my 03 the engine ticked after it was warm as it still had the 195 Tstat
after replacing it with a 180 Tstat I never heard the tick again
I'm assuming the tick was the sleeves going up and down
now that it stopped ticking do you think they are still moving slightly or they just stopped moving ? And thing I should be worried about ?
after replacing it with a 180 Tstat I never heard the tick again
I'm assuming the tick was the sleeves going up and down
now that it stopped ticking do you think they are still moving slightly or they just stopped moving ? And thing I should be worried about ?
TReK
Joined: Nov 2011
Posts: 2,748
Likes: 506
From: Seattle, Wa
What else have you done? Anything like change to Rotella 15w40? Did you record the actual before and after thermostat change temps? What were they? I don't think 15 or 20 degrees will stop a slipped liner from moving... Probably something else.
Last edited by Dave03S; Jul 31, 2018 at 10:39 PM.
Baja
Joined: Aug 2013
Posts: 6,904
Likes: 792
From: Huntington Beach CA
Slipped liners are way over publicized.
the tick is normally associated with a cam bearing moving and blocking off the oil port starving the upper end of oil.
as I don’t have the ability to put a cam into the motor and watch all this happen when temps are brought down, I can only guess at why the lower temps stop the tick.
but, I can say I have broken down close to 30 D2 motors and only once found a slipped liner. That was more of a tapping noise than a tick.
all the other tickers had walked cam bearings.
then there is the one with a broken crank, that was like bam bam on crack.
the tick is normally associated with a cam bearing moving and blocking off the oil port starving the upper end of oil.
as I don’t have the ability to put a cam into the motor and watch all this happen when temps are brought down, I can only guess at why the lower temps stop the tick.
but, I can say I have broken down close to 30 D2 motors and only once found a slipped liner. That was more of a tapping noise than a tick.
all the other tickers had walked cam bearings.
then there is the one with a broken crank, that was like bam bam on crack.
Baja
Joined: Aug 2013
Posts: 5,845
Likes: 368
From: Near Bordeaux, France
Telephone Richard Turner, Turner Engineering, and ask him or one of his guys, he's a helpful guy and very knowledgeable on Rover engines. IMHO the problem is cured at the moment but will reappear sooner or later. Have you checked for the tick using an engineers stethoscope? it may just be thermal expansion if you're lucky. Does the tick get more rapid with RPM's?