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Engine Noises

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#1
EV0300

EV0300

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So about 6 months ago i noticed my engine would make bad grinding type noises when it got warm and after only having done 13k kms on the engine and life happening I decided to let the car sit for a while.

Fast forward to yesterday, i pulled the timing covers off to find alot of brownish dust under the covers and part of a tooth had broken off my crank sprocket and there were some small chunks out of the cover of the other sprocket.

Is this what i dread most or something a little more simple?

 

Thanks in advance.

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#2
jack be nimble

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I'd say your balancer bolts were overtightened, and the tooth has come off and done some damage. Pull the belt, inspect it for damage and probably replace, check the rest of the gears for damage and replace any that need it. Replace that crank gear and torque those small bolts to spec.
4g93t jumbuck conversion. PRANGED 18/3/12, CHECK MY MEMBER RIDES Page 11. no serious human injuries.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
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#3
evo-gsr

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Looks like a few chunks have been taken out of the oil pump sprocket too.
Why did you not check it out a few months ago when the noises began?

Edited by evo-gsr, 23 April 2019 - 11:48 AM.

[qoute name="BMGTZ" post="331212" timestamp="1467451744"]I don't know anything ...
Trust in the master of taxis.... He will set you straight[/quote]

#4
EV0300

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I didnt have time to check it so i just parked it up in the garage and left it. It was built by a workshop so i would of hoped everything was torqued to spec... ill pull the belt off and checl the other gears.

#5
jack be nimble

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Check the cam timing too, before you pull belt off. Just for interest.
4g93t jumbuck conversion. PRANGED 18/3/12, CHECK MY MEMBER RIDES Page 11. no serious human injuries.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.


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