Omega Owners Forum - Question on cambelt change

Sir Gingerlot

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Question on cambelt change
16. Jun 2007 at 16:21

Just checking my new cars cambelt etc. Followed the DVD which is excellent. Got to the point on rotating the engine to line up the timing markings.

I am about three teeth from line up and the engine does not seem to want to rotate any further. I have not forced it until I get some advise.

I know it might be the compression but it really it resisting.

Should I remove the plugs?

Any advise welcome.

Thanks

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JamesV6CDX Ex Member Gender: Drives: 2002 (02) 3.2 Retail MV6 in Star Silver with Leather	Re: Question on cambelt change Reply #1 - 16. Jun 2007 at 16:22 If you have good compression, the engine will be stiff... I use a BIG ratchet when turning the V6 crank Have you got the timing locking kit?
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JamesV6CDX

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Drives: 2002 (02) 3.2 Retail MV6 in Star Silver with Leather

Re: Question on cambelt change
Reply #2 - 16. Jun 2007 at 16:23

JamesV6CDX wrote on 16. Jun 2007 at 16:22:

If you have good compression, the engine will be stiff... I use a BIG ratchet when turning the V6 crank Grin

Have you got the timing locking kit?

If you don't... DO NOT attempt to do anything with cambelt...

You can't "check" a cambelt, if history is unknown or questionable, you must replace the whole kit.

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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Question on cambelt change Reply #3 - 16. Jun 2007 at 16:26 If the crank is TDC, but 3 teeth out on cams, you may have piston touching valve
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JamesV6CDX Ex Member Gender: Drives: 2002 (02) 3.2 Retail MV6 in Star Silver with Leather	Re: Question on cambelt change Reply #4 - 16. Jun 2007 at 16:28 TheBoy wrote on 16. Jun 2007 at 16:26: If the crank is TDC, but 3 teeth out on cams, you may have piston touching valve NOT a nice thought... Ong, have you adjusted the belt at all, or rotated the crank anti clockwise?
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Sir Gingerlot

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Re: Question on cambelt change
Reply #5 - 16. Jun 2007 at 16:50

No. Only looking and lining up ready for camlocks. Crank is not lined up yet either.

Tried to move it with torque wrench but still didn't feel happy. Like I say it may be compression but this is the first time I done this so I wanted advise before proceding.

The heads were repaired about 2000 miles ago and every thing looks new. I may still change everthing anyway.

Posted recently about rattling/tapping from top end of engine which is why I am checking evrything before selling my trusty 2.0l.

James, Sorry about your gearbox. Hope your mobile soon. I may be needing you.

Any other advise.

John

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JamesV6CDX

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Drives: 2002 (02) 3.2 Retail MV6 in Star Silver with Leather

Re: Question on cambelt change
Reply #6 - 16. Jun 2007 at 16:54

It's extremely hard to diagnose this one, without seeing it.

It MAY just be compression, but on the other hand, when the crank is approaching TDC that close, it shouldn't be that hard to turn...

you could remove the plugs, and CAREFULLY turn the crank, and see if it feels OK

Check all marks are lined up before firing her up

I have a locking kit I can lend you... but I would need it back pronto...

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Sir Gingerlot Junior Member Offline Posts: 93 Leicester Gender:	Re: Question on cambelt change Reply #7 - 16. Jun 2007 at 17:35 Thanks James but I am snowed with work next week so will not be looking at this until week after. I will email when ready, but I know Autovaux loan locking kits when you buy there belt kits. I will remove the plugs to to see if that helps. If I get any further problems I may give you a call.
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JasonH Senior Member Offline Posts: 953 Bristol Gender:	Re: Question on cambelt change Reply #8 - 16. Jun 2007 at 17:55 One point to add is that I've seen conflicting info about removing the plugs when doing the cambelt. Makes it easier to turn the engine over, but I understand you should have some compression to set the belt tension correctly - i.e. don't remove plugs... One stupidly obvious point - but it's not in gear is it?
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JamesV6CDX

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Drives: 2002 (02) 3.2 Retail MV6 in Star Silver with Leather

Re: Question on cambelt change
Reply #9 - 16. Jun 2007 at 17:57

JasonH wrote on 16. Jun 2007 at 17:55:

One point to add is that I've seen conflicting info about removing the plugs when doing the cambelt.

Makes it easier to turn the engine over, but I understand you should have some compression to set the belt tension correctly - i.e. don't remove plugs...

One stupidly obvious point - but it's not in gear is it?

I thought it was Auto, maybe wrong...

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Sir Gingerlot Junior Member Offline Posts: 93 Leicester Gender:	Re: Question on cambelt change Reply #10 - 16. Jun 2007 at 19:36 Well what a thingy! Didn't even think about it being in gear. Looking through the window and there it is in first gear. Thanks for the help. Sometimes the obvious is staring you in the face.
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JasonH Senior Member Offline Posts: 953 Bristol Gender:	Re: Question on cambelt change Reply #11 - 16. Jun 2007 at 20:02 We aim to help
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Question on cambelt change Reply #12 - 16. Jun 2007 at 20:02 Sir Gingerlot wrote on 16. Jun 2007 at 19:36: Well what a thingy! Didn't even think about it being in gear. Looking through the window and there it is in first gear. Thanks for the help. Sometimes the obvious is staring you in the face. LOL. We've all done really stupid things.... ....but at least the mystery is solved
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STMO123

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Re: Question on cambelt change
Reply #13 - 16. Jun 2007 at 22:46

JasonH wrote on 16. Jun 2007 at 17:55:

One point to add is that I've seen conflicting info about removing the plugs when doing the cambelt.

Makes it easier to turn the engine over, but I understand you should have some compression to set the belt tension correctly - i.e. don't remove plugs...

One stupidly obvious point - but it's not in gear is it?

Well done Jason Thumbs Up!

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Dave-C

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The Old Girl

Posts: 1978
Staffordshire
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Drives: Mercedes 220 Cdi

Re: Question on cambelt change
Reply #14 - 17. Jun 2007 at 08:37

Sir Gingerlot wrote on 16. Jun 2007 at 19:36:

Well what a thingy!

Didn't even think about it being in gear. Looking through the window and there it is in first gear.

Thanks for the help.

Sometimes the obvious is staring you in the face.

#

Reading thru this thread on Sunday morning, nice cup of cha, getting really concerned as I read on.... Thank God or whoever it's only the human element causing the problem and not something drastic..

DC

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Do it right, do it once................

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