Question about 2001 Mitsubishi Diamante

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'02 Diamante oil light and clicking noise

I have an '02 Mitsubishi Diamante. It has 120k miles on it. The engine started making clicking noises while it was running and today the oil light came on. I changed the oil, and the oil light went off, but the engine still made the clicking sound, I thought maybe the lifters? But then later today the oil light came back on and the clicking was a little louder. Any suggestions on what I should possibly look at or for problem wise.

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  • Expert
  • 211 Answers

Sounds like the oil pump , don't drive it because if it does go altogether your engine will seize , get some one who knows how to check it properly

Posted on Jul 07, 2017

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  • Mitsubishi Master
  • 2,544 Answers

Here goes:
Please do not drive the car.
Have the car towed to a well-recommended garage
Have someone unscrew the oil pressure light or gauge sending unit in the engine block and screw is a oil pressure guage ( hand held, used in garages).
Test that pressure carefully at all speeds.
Either you have: a bad oil pump, a plugged oil filter, a clogged oil passageway, or a bad engine.
The ticking sound might be valve lifters that are not receiving oil.
God bless your efforts.

Posted on Jul 07, 2017

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Posted on Jan 02, 2017

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SOURCE: lifter noise

If the engine runs good and has high mileage, it might be the timing chain guides that are worn out

Posted on Jun 26, 2008

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SOURCE: 1993 Mitsubishi Diamante Wagon. Engine stalls

it sounds as though its coming from your computer which is behind the glove compartment.

Posted on Aug 27, 2008

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SOURCE: how to change the transmission filter in a 02 mitsubishi diamante

its inside the transmission

Posted on Jan 01, 2009

c17hydro
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SOURCE: Loud pop, timing belt ? , mitsubishi diamante 00

Very possible it was the timing belt. If the main serpentine belt seems loose, it also coould be your pulley. If you can check it now, the tensioner pulley is the one you see that is very silver looking on the side that actually supports the OUTSIDE of the belt. If you can go take a look at it now, grab ahold of it and try to move it. The only motion it should make is a spinning motion....this will be step one on figuring out the problem....will take one minute to verify.....

Posted on Mar 14, 2009

  • 24 Answers

SOURCE: engine ticking at idle and low speeds

Hi There,
I would try adding a lifter quiet supstance such as nulon lifter quiet, may or may not be available in your country, 
Or try heading to a local auto store and look for a reputable brand name products, ie injector clean/ carby clean /lifter quiet/worn engine treatment.
Below i have listed common problems related to yours that might be worth checking.
Sometimes the oil that you may of put in may not be thick enough hence why youre getting more noise.
it could mean yes that a lifter or shim is loose and needs adjustment,
injector noise from fuel injectors if they get clogged up they tick loudly.
Dirty fuel causing injector noise
Low oil or incorrect oil level as in over full.
Incorrect oil specification/ wrong Viscosity or grade.
Leak or low oil presssure could be a blockage somewhere stopping oil circulating
Worn oil pump not correctly pumping enough oil.
Oil line blockage insufficent oil getting up to the lifters
It coudl even be driveline related as in a C.V. joint coudl be loose/worn and ticking.
Ive even seen cars where wire has been entwined aroudn the driveshaft and taps against the floor/wall
Coudl be a fan if your fan runs off the engine rather then electric ticking against the houseing or it could also be a belt or bearing in one of you accesories ie a bearing in the aircondition clutch tha tmay be loose and is ticking.
However start small and go from the cheapest option up to the dearest.
Make sure you have a good listen while its running with the bonnet up and go through to try and find the source of the sound.
Usually this is what the mechanics would- do anyway untill they find the problem.
Hoipefully this helps so you dont have to take it to the shop.
Cheers
Steve

Posted on Apr 03, 2009

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