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Guest Message by DevFuse

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Vocabulary: TOD?

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4 replies to this topic

#1 rainman19154


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Posted 30 November 2009 - 03:26 PM

"I added a Pint of MMO to the engine oil and the TOD went away!!!!!!!"

I've seen TOD referanced in other posts and threads... saddly, I'm not getting the definition from the context. Enlighten me, please?

#2 3eyedwagon


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Posted 30 November 2009 - 03:33 PM

It refers to flat lifters and stands for

Tick Of Death.

Affectionate name for a crappy problem.

#3 Flowmastered87GL


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Posted 30 November 2009 - 03:35 PM

Tick Of Death

When an EA82 is ticking like time bomb and sounds like its going to explode. Its rarely harmful, just very annoying

#4 GeneralDisorder


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Posted 30 November 2009 - 03:42 PM

Yes - unlike the name, it will NEVER result in destruction of the engine but could signal bigger problems - low oil pressure or NO OIL :rolleyes:.

Typically it means leaking seals, dirty lifters, or poor pressure - or a combination of these.


#5 idosubaru


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Posted 30 November 2009 - 04:52 PM

seems well covered, but TOD is just ticking. it can sound awful.

most of the time it's noisy HLA's, Hydraulic Valve Lash Adjusters. like GD said if it's due to HLA's you can run the car indefinitely like that, it's benign minus the fact that it's annoying.

fix depends on the cause - either the HLA's themselves are dirty (in which case MMO may work/help) or more often the oil pump needs resealed or replaced because it won't hold the engine to block gasket properly in place and it sucks air. air is compressible and HLA's aren't meant to work with that.

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