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206 Crank Shaft Timing
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dannyjohnson94

Posted: Sun Feb 11, 2018 8:52 pm

Joined: Feb 11, 2018
Posts: 2
Trade Rating: 0

I recently purchased a 2003 Peugeot 206 GTi 140 and am in the process of changing the cam belt and water pump. Unfortunately I decided to follow the Haynes manual which would have been fine for the 4 bolt auxiliary belt pulley. Mine is the single bolt that holds the crank pulley and aux belt pulley.

I didn't realise it was a floating crank where the crank timing pulley is not keyed on the crankshaft and therefore when removing the single pulley bolt, I managed to spin the crank slightly. I have got the timing pins in both the exhaust and inlet cam sprockets so they are in the correct place and upon more research I made myself a flywheel locking pin to fin the flywheel through a hole in the engine casting just above the driveshaft.

The problem I have is that I am unsure of the correct positioning of the pistons when they are in the position where the timing pin is inserted in the flywheel. I have managed to line the flywheel up and pin it with the aid of a endoscope but all of the pistons are half stroke. Is there more than one hole in the flywheel that can be used to pin the crankshaft? (In which case I will have pinned the wrong one). Am I correct in thinking that one of them should be top dead centre in order to achieve the correct timing?

Indigo_GTI

Posted: Mon Feb 12, 2018 7:49 pm

Joined: Feb 08, 2010
Posts: 106
Trade Rating: 0
Location: Aberdeenshire

Should be just the one locking location on a standard fly. All pistons half stroke rings a bell with me as thee correct locked position, it baffled me for ages as i also expected TDC on one cylinder to be the same as the locked setup, but i dont think it is.

there's a forum topic on it i've read, but i couldnt tell you if it was on here or elsewhere. I might have a quick Google to see what comes up, EW10 timing i think probably got me there.

If the cams and fly are locked i'd just put the belt on at that, and turn the engine over by hand to make sure its not interfering. Give it a compression test if you have one to make sure its 100%


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dannyjohnson94

Posted: Tue Feb 13, 2018 8:43 pm

Joined: Feb 11, 2018
Posts: 2
Trade Rating: 0

Thats brilliant thanks. I popped by a Peugeot repair specialist today and asked one of the lads in the workshop and he said the timing position was with all 4 pistons at even stroke so I reckon I'm all ready to put the belt back on. He just said to do like you say and rotate by hand around 9 times and make sure everything still lines up and that Im not interfering with any of the valves.

Never going to do a timing belt again on a gravel drive though I've decided, especially in the winter Sad

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