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Old 18-07-2008   #1
 
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What Have I done ???

I have just changed the Alternator and the Cam Belt.

Car now wont start and timing belt jumps/slips 5 notches every time.(i have tried 4 times and reset it each time)

Car starter motor is fine and can here it clicking away but car just wont fire up.

Any ideas ??
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Old 18-07-2008   #2
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Re: What Have I done ???

No cambelt tension... take care, do not continue until the tensioners are set up and the cam timing correct or it will be trouble if your particular engine is an "interference" type...
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Old 18-07-2008   #3
 
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Re: What Have I done ???

Hi

I think i have the fire one !!! i know its OHC lol

How can i get the belt tighter though, I put right angled pliers into pulley as book says and pull tight as possible ???

Also surely that would only explain the cam belt and not the fact the car isn't firing.

Cam belt doesn't move when i turn it by hand only when engine attempts to fire etc.
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Old 18-07-2008   #4
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Re: What Have I done ???

It wont / cant fire if the cam timing is out, it may now and again through pure chance, to fire and run the valves in the firing cylinder both need to be closed to compress the mixture etc. That is done by the cam timing belt, if the engine is an interference engine the pistons will hit the valves and that will be expensive possibly terminal.

Try re-posting with a more intuitive Title so you get the attention of the engine experts.
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Old 18-07-2008   #5
 
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Re: What Have I done ???

if it was me, i'd take the belt off, check the water pump rotates, check the crank rotates (with the plugs out) and check the cam rotates, if one of them doesnt, something is wrong.also check the tensioner if ok,really it should be changed with the belt

IIRC Tension the belt so you can only just twist the belt 90degrees on the longest part(well thats what i was taught on a ford engine) the right angled pliers you used will do the job, i used right angled circlip pliers last time
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Old 18-07-2008   #6
 
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Re: What Have I done ???

Correct belt?
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Old 18-07-2008   #7
 
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Re: What Have I done ???

Everything rotates with plugs in but is stiff.

Will try again with plugs out tomoz etc.

How do i get the tension right tho, I have tightened so i can rotate 90 degrees just but its still slipping 5 teeth etc !!

Belt was matched to old one, seemed same- same size same sized teeth etc
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Old 18-07-2008   #8
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Re: What Have I done ???

whereabouts are you?
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Old 18-07-2008   #9
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Re: What Have I done ???

Go back to basics with the timing, and once the belt is on properly, plugs out and at least two full revolutions to ensure that its still timed correctly.

Cheers

PD
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Old 19-07-2008   #10
 
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Re: What Have I done ???

im in beaconsfield

I can turn engine by hand ok, belt doesn't slip at all but when i try to fire it up it slips 5 teeth.

Going to take out plugs now and try again.
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Old 19-07-2008   #11
 
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Re: What Have I done ???

Have you tried removing the camshaft sprocket and checking the keyway and key also do the same to the crankshaft sprocket, sounds like one of the keys is broken. Or you could get the car recovered to me and I will have a look at it for you. I could check out the other issues you are having
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Old 19-07-2008   #12
 
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Re: What Have I done ???

sorry you have lost me -

No teeth are messing on either sprocket nor do the appear damaged in anyway.

Whats a keyway and whats a key ??

Just tried it with plugs out, Raotated engine by hand 3 times and both marks are now 2 teeth out. Down from 5 which is getting better i guess.
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Old 19-07-2008   #13
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Re: What Have I done ???

Which way are you rotating the engine? Should be clockwise.
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Old 19-07-2008   #14
 
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Re: What Have I done ???

Yes rotating the engine clockwise and cam belt is on right way too, arrows on belt prove it lol.
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Old 19-07-2008   #15
 
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Re: What Have I done ???

I live in South London Surrey area can you get the car recovered to me and I can have a look at it for you
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