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Cambelt issues?

Hello,
Just had to have the car recovered, it started then all of a sudden cut out and wouldnt restart. The engine tries to turn over but just dosent start, my first thought was the cambelt, but after removing the cover and having the green flag man try to start the engine the belt looks fine and rotates when trying to turn the engine over. The error code reads P0340 which is related to camshaft position.
Should i be expecting a top end rebuild or is this something that can be easily sorted?
Any advise would be appreciated.
Tom.
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Originally Posted by tomt1990t View Post
Hello,
Just had to have the car recovered, it started then all of a sudden cut out and wouldnt restart. The engine tries to turn over but just dosent start, my first thought was the cambelt, but after removing the cover and having the green flag man try to start the engine the belt looks fine and rotates when trying to turn the engine over. The error code reads P0340 which is related to camshaft position.
Should i be expecting a top end rebuild or is this something that can be easily sorted?
Any advise would be appreciated.
Tom.
I'd check out the crank shaft sensor first, not sure of the location as I'm fairly new to Alfa's but it's a good cheap option first!
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You could try a new camshaft position sensor, but if the engine cut out while the car was already running then that sounds like something mechanical has gone wrong, the cambelt might have jumped a few teeth.

We just finished doing a cambelt failure rebuild on a 156 1.9 16v JTD which is essentially the same engine, you'll be pleased to know these are cheap fixes as far as a cambelt failure normally goes, although a good bit more expensive than a cambelt replacement. How old is the cambelt by the way?

You're more than welcome to get your car recovered up to us:

Autolusso Penrith

Autolusso Penrith - UK's leading independent Alfa Romeo specialist with branches in Bedfordshire, Cumbria & Dorset

Wizard Exhaust systems available here

Tel: 01768 879 171
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(Post Link) post #4 of 18 Old 08-08-16 Thread Starter
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The car only moved a few metres before cutting out.
Cambelt and waterpump was changed march 2015 just before I purchased the car, although im now thinking it may not have been done.
Cars been dropped at a local garage, i'll see what they say before I agree anything.
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Fingers crossed its something simple.. If they know what they are doing and have the tools they could check cam/crank timing pretty quickly, maybe 15/20 mins.
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Cheers for the advise. Shame your not based closer
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Might be worth a call to your recovery company, see if they will bring it up for you. RAC & AA will normally recover a car again if the first recovery was only something local. Or see how much you can get it moved for on Shiply, I've had a few non-runners brought up from Preston/Manchester area for 80-100 ish.
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Might be worth a call to your recovery company, see if they will bring it up for you. RAC & AA will normally recover a car again if the first recovery was only something local. Or see how much you can get it moved for on Shiply, I've had a few non-runners brought up from Preston/Manchester area for 80-100 ish.
www.shiply.com

Good advise

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(Post Link) post #9 of 18 Old 17-08-16 Thread Starter
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Just an update.

Car is still in the garage, turns out the cambelt jumped when the waterpump seized, from the looks of it the dealer I bought the car from 18 months ago only had the cambelt changed rather than both which I insisted on.
The garage I was recovered to have changed the pump, belt, tensioner and idler. The engine is running and sounds fine but the car just has no power, nothing is showing up on diagnostics and all the usual suspects EGR, DPF and MAF are fine. The garage are checking for anything else that could have affected this but not found anything yet.
Any ideas guys?
Cheers
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You've probably got broken rockers if the cambelt has snapped. They haven't taken the cam cover off for a look?
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Cambelt didnt snap just jumped, they
checked all the rockers and nothing has been damaged.
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A compression test seems like a good idea, to rule out slightly bent valves that aren't seating properly. Later 1.9's like this have thinner valve stems, and a bit of a clump from a piston will skew the valve head rather than break rockers. I think you need to rule out swirl flap ingestion as a cause of the cam belt jumping.
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What halftone says is good advice. While the cam carrier was off, did they insert the second cam locking tool to determine if both the camshafts were correctly in time with one another? They are only on a taper-lock and can shift when something like a jumped tooth happens.
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Just spoken to the garage again, they have had another look and do think its the rockers, they are going to ring a couple of specialists for some advice and to ensure they have not missed anything.
Hopefully I should be back on the road soon.
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What was their method of checking the rockers previously?

I can't understand how if they checked the rockers already they wouldn't have seen they are broken, they basically snap in half. It sounds to me like they've not checked them at all, they've just fitted a new cambelt, tensioner, idler & waterpump and started it to see what happens, and the rockers have not yet been checked. This is bad news because you now have the cams rotating again with bits of broken rocker floating around in your cambox, the bits of broken rocker will be getting deeper into your engine.

Unless they're spending more time on diagnosis at their own cost, then my advice would be to get the car taken to a specialist before you get in any deeper. All the work they've done so far of re-timing the engine, putting on a new belt etc is going to have to be done again to get back to replace the rockers.
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Spoke to them and apparently a break down in communication between the mechanics the one I spoke to in person said the rockers are fine second one who I spoke on the phone with said they didnt check.
If its worst case scenario and they want charge again I will get the car recovered upto you if thats ok.
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No problem, see what they say. Fingers crossed.
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Cars back and running great. Thanks for all the advice guys?
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