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post #1 of 9 (permalink) Old 11th January 2011 Thread Starter
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Thumbs up Megane timing tool dimensions

Hi there, I have a 2001 megane 1.4 16v with engine code K4J 750. It lost a piece of the timing belt guide from one of the cam pulleys and got caught in the belt, timing jumped a couple of teeth. Im not sure how much damage is done if any. I need to time it up and check compression but I dont have the tool to set the crankshaft. If someone could tell me the length of the shaft of the tool im sure I could make one good enough to at least check if theres valve damage. This is my first post and any help would be appreciated. Regards
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post #2 of 9 (permalink) Old 15th January 2011
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Re: Megane timing tool dimensions

Sorry for delay, been hectic here. The TDC tool would not be easy to make. It is 7mm rod, M8 threaded 62mm from end. After the thread there is a shoulder 70mm from end. The "handle" is 15mm Knurled. You could probably do it using 125mm of M8 studding with locknuts @ 70mm, Your choice.
I BOUGHT a Laser tools 4020 which was the cheapest way to get an MOT 1489 (Renault tool number).
For the cams themselves, I made a tool from 5mm x 25mm ally bar stock, with 2 "fingers" 40mm long spaced on 130mm centres bolted offset to 200mm of the same stock.
As I have done the deed, this kit is sitting idle in the garage for the next 5 years or 70K Miles
PM me, if it helps?
Tim
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post #3 of 9 (permalink) Old 15th January 2011 Thread Starter
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Re: Megane timing tool dimensions

Many thanks Tim
If im reading this correctly, the measurment from the contact face on the outside of the cylinder block to the crankshaft web is 70mm, this is the critical measurement. This would be the total of the thead length and the rod length, whatever remains outside the block dosent matter. To make it simple a 70mm long 8mm dia bolt (not including the bolt hex head) would be correct Im not too concered about the cams, as making a tool for these is fairly straightfoward with the correct material and a little care, at least you can see what you are doing here.
Regards and thanks again, Jim
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post #4 of 9 (permalink) Old 15th January 2011
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Re: Megane timing tool dimensions

Yes, that sounds like what I was trying clumsily to say.
Do bear in mind however, that my measurements were done with a tape measure ! However, I can't imagine they would make them to the nearest 0.5mm. Even if it was 69.5 or 70.5mm that would be less than 1 crankshaft degree out. One could achieve that with cr*p under the bolt head or a bit of rough casting on the crank web.
Glad to assist, I wish someone had posted this sort of answer to the similar question I asked in December. I could have saved 13.99 & 25 mile round trip fetching the Laser tool.
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post #5 of 9 (permalink) Old 26th February 2011
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Re: Megane timing tool dimensions

Update (thanks to Recycled Scenic) The studding or bolt should be M10 NOT M8 as previously posted. All lengths ARE correct. Apologies to anyone affected by my mismeasurement.
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