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Exhaust Now Popping On Decel Badly.


Kroozin

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  • Menace
  • Donating Members
  • Member For: 13y 7m 29d
  • Gender: Male
  • Location: Sydney

Yeh the VCT units were replaced last time and that's it I don't think the VCT oil control valve was touched.

I'm looking at the workshop manual now.. Do you know if the VCT units are the same for n/a's as well as the taxi's etc?

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  • Menace
  • Donating Members
  • Member For: 13y 7m 29d
  • Gender: Male
  • Location: Sydney

I'm thinking of getting some new gears from a similar motor and swapping them out.. It doesn't look too technical to reg. the chain tensioner.

If I can get them latively cheap there's no harm in trying them out to see if it clears the fault.. Right?

I should add I've checked the connectors and wiring just before and they look fine. The plugs are fully in still, the cable appears fine without going to crazy checking every inch and the big plug at the PCM is fully in.

Edited by Kroozin
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  • Menace
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  • Member For: 13y 7m 29d
  • Gender: Male
  • Location: Sydney

I'll get a price on some new units.. Would it just be the VCT units that need to be replaced or the oil control valves too?

What do u reckon would cause the gears to fark up again?

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  • Member
  • Member For: 18y 6m 23d
  • Gender: Male
  • Location: @ my laptop

don't buy anything until you diagnose it correctly!

I have only seen 2 sets of phasers fail and both on different cars. I doubt yours have failed again unless you have oil issues

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  • Menace
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  • Member For: 13y 7m 29d
  • Gender: Male
  • Location: Sydney

Yes it does seem abit odd..

Should I try a thicker oil like a 60w oil?

I'm currently using Nulon 10-40 and the oil was changed roughly 1000kms ago. The car doesn't use/loose any oil, I never have to top it up.

I'm not sure as to what else you mean by having oil issues?

Thanx mate

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  • Menace
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  • Member For: 13y 7m 29d
  • Gender: Male
  • Location: Sydney

So plan is throw some engine flish thru the motor and give it another oil change.. Pull rocker cover off and pull out the ocv's then clean them out with contact cleaner while switching them with 12v on and off simultaneously. Reinstall and see how we go :)

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  • Member
  • Member For: 18y 6m 23d
  • Gender: Male
  • Location: @ my laptop

if servicing has been lacking in the past, there may be sludge in the oil galleries affecting oil flow and pressure, cleaning them is a good start but have the valve timing cheaked while it's apart, maybe check your oil pressure

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  • Menace
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  • Member For: 13y 7m 29d
  • Gender: Male
  • Location: Sydney

Okay so I've run the oil flush thru and replaced the oil with Nulon 10-40.

Pulled out the oil solenoids and cleaned them out with contact cleaner while turning the car over for short burst to try and make them actuate while spraying. Blew them out with high pres. air and continued cleaning. Refitted but poured a cap of oil over them before sliding them back in. Timing looks right, now just to test it out.

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