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XR6 LPI ticking noise from rear of engine


Zeksta

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  • Member For: 3y 10m 16d

Dang, sounds like this is going to be a fun dive in to figuring out issues. I'm a touch amazed that a exhaust specialist couldn't identify any issue if I'm honest but oh well, have to find a better one clearly.

 

Regardless man, really appreciate your help, I'll definitely keep updated as to what's been going on! :)

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  • less WHY; more WOT
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  • Member For: 16y 8m 14d
  • Gender: Male
  • Location: Melbourne

no worries, happy to assist :) good luck with your diagnosing :spoton:

 

yeah, bit surprising that an exhaust place couldn't diagnose it, but I'm sure there was a reason for the lack of results.

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  • 3 months later...
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  • Member For: 3y 10m 16d

So, a small update after this has taken me a few months to finally get into. Replaced the catalytic converter assembly a few days back and the exhaust manifold gasket and the same problem still persists. Also noticed a slight noise between the engine and transmission which sounds like someone intermittently shaking a small rock in a tin can.

 

I'm now a bit lost for ideas 😬

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  • Member For: 3y 10m 16d

I swear if it's a loose spark plug I'll eat my own pants, reckon it shouldn't be though cause changed all my coil packs and spark plugs about 3 months ago and made sure they were tight 🤔

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  • Puff
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  • Member For: 9y 10m 24d
  • Gender: Male
  • Location: South Australia

Yeah nah I was just chucking in a random idea. It makes a similar noise but might or might not be it.

 

It sounds like a lifter noise in the video fwiw.

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  • Member For: 3y 10m 16d

Yeah nah all good lmao, that was I was thinking as well, might be sticky lifters just definitely not hoping it's a bent rod or something as well. Car has been doing my absolute head in.

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  • Member For: 3y 10m 16d

 

Hey all, so after replacing the exhaust manifold gasket, I have a better idea of the location of the ticking.

 

I've gone over the engine from the exhaust manifold in the video, does anyone have an idea? 

Edited by Zeksta
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  • 4 weeks later...
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  • Member For: 3y 10m 16d

Yup, I've used a thinner oil and an additive for a little, it seems to have cleared up almost all the ticking. Now my issue is that the car sounds as if it's not got enough air intake or its chugging, especially in idle or in drive 😅

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