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Author Correct Timing on a C20XE?
Dan295
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Registered: 9th Oct 06
Location: London
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25th May 09 at 22:28   View User's Profile U2U Member Reply With Quote

am i correct in thinking that this is timed correctly, the static belt marks all line up 2 on the rocker cover with the 2 on the belt but the 2 on the cam pulleys dont line up with the 2 on the belt, even though the 2 on the cam pulleys line up with the 2 on the cover.

I hope that makes sense basically the cam pulleys have 42 teeth and the belt has 141 teeth, so am i right in thinking that the marks on the cam pulley and the marks on the belt arent going to match up for another 40ish turns of the engine?, yet the fact that after 6-7 attempts at turning by hand the marks on the belt line up with the marks on the cover and the bottom pulley means its all gravy yeeeiiisss?

Thanks in advance.
Dan





[Edited on 25-05-2009 by Dan295]
john_c20xe
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Registered: 10th Feb 08
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25th May 09 at 22:52   View User's Profile U2U Member Reply With Quote

have no idea what you just wrote, but there should be a noth in each pulley lines these pointing upwards as best you can towards the nothes on back plate
john_c20xe
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25th May 09 at 22:53   View User's Profile U2U Member Reply With Quote

why have you marked the belt?
Ste
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Registered: 5th Mar 03
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26th May 09 at 01:18   View Garage View User's Profile U2U Member Reply With Quote

ignore what the belt is doing. You need the marks on the top pullies to line up with the marks on the rocker and the drive belt pully on the crankto line up with the spike.



I would rather lose by a mile because i built my own car, than win by an inch because someone else built it for me.
DaveyLC
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Registered: 8th Oct 08
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26th May 09 at 07:47   View User's Profile U2U Member Reply With Quote

Put the tools back in the box and take them back to the shop!

There are two marks on the cam pulleys that should be opposite each other and two that should line up with the marks in the cover.

There is also a mark on the crank that you need to line up with the cover.

Once they are aligned it doesnt matter where the belt goes

[Edited on 26-05-2009 by DaveyLC]
DAZ1985
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Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
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26th May 09 at 08:57   View User's Profile U2U Member Reply With Quote

This will prob end in tears 10 out of 10 for trying though

Just as well you asked before doing
john_c20xe
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26th May 09 at 09:35   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by DaveyLC
Put the tools back in the box and take them back to the shop!

There are two marks on the cam pulleys that should be opposite each other and two that should line up with the marks in the cover.

There is also a mark on the crank that you need to line up with the cover.

Once they are aligned it doesnt matter where the belt goes

[Edited on 26-05-2009 by DaveyLC]


no.. on the 2.0 the marks point upwards towards the back plate unlike the 1.6 ect that go oposite and mark on bottom pulley lines up with spike like ste sed
Dan295
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26th May 09 at 09:40   View User's Profile U2U Member Reply With Quote

indeed, i was getting confused with the whole belt and pulleys, i will align it up with the oil pump line and the bottom pulley and do it again, i dont think it will end it tears daz its just the first time i have done a dohc
john_c20xe
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Location: Eastbourne, EastSussex
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26th May 09 at 10:11   View User's Profile U2U Member Reply With Quote

you wil need something to hold the pulleys still while you get the belt on, broom handle works well
Dan295
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26th May 09 at 10:34   View User's Profile U2U Member Reply With Quote

pfft, i will double check it first tbh as it seems alright, then remove and refit, i used a 22mm spanner on the cams with a cloth
Dan295
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26th May 09 at 10:50   View User's Profile U2U Member Reply With Quote

looks good to me...







i used the mark on the fly for tdc which the engineering company left on for me
DaveyLC
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26th May 09 at 21:29   View User's Profile U2U Member Reply With Quote

Splendid

 
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