Dead S2

[SUSIT]

Hi guys

looking for pointers please,

Yesterday morning went out to the trusty S2 got in turned the key now normally it turns over quite slow catching on the second turn but today it spun like there was no compression and not even a flicker of life!

The dizzy seems to turn so belts ok I think, there only 3 years and 20,000 miles old.

Will check the obvious spark fuel etc but it sounds very odd, any ideas?


thanks for the help

Steve

 

[robwright]

Dare I say it DME relay. Do you have a spare or a three way bypass cable?

 

[Mike_Pollock]

Sure the engine was spinning? They never turn over fast like a ford, so would def check belts are still on!
I pulled up at our stores once, no problem then a couple of hours later. went to leave and the engine just span - that was the cambelt.

Good luck

Mike

 

[NEIL2]

Hi , stuck lifters , cam chain failed , belt jumped teeth missing ?

 

[SUSIT]

Just spoke to a mate who is ex Porsche mechanic, he rekons cam chain failure. might have some bent valves[&o][&o]

 

[pauljmcnulty]

Just spoke to a mate who is ex Porsche mechanic, he rekons cam chain failure. might have some bent valves

Sounds horribly likely. When were the belts done, miles and years, and the cam chain and guides?

 

[NEIL2]

Hi find out if chain has snapped or teeth are worn on cams , i have a few spares and may be able to help just email me ok

 

[SUSIT]

got reciepts with the car for replacing belts in 2007 done 15,000 miles since. but dont know about chain. Do the pistons clear the inlet valves ?

Neil thanks will do. A mate who owns garage will collect car on tuesday so might be a few days before I know for sure. I just cant do kerpside repairs anymore.

PITA loosing garage at time like this.[&o]

Paul are the guides available seperate these days? or part of the tensioner kit?

thanks guys

Stephen

 

[NEIL2]

Hi if chain failed there will be valve damage but as it was not running head might not be scrap , seen a few in oblivion after high rev failures , bit odd problem started when cranking , poss chain tensioner failed or cams worn , you still have possible belt slip failure water leak from pump is a fav for this , all the best and let me know how you get on

 

[Mike_Pollock]

Niel - as I said above I've had cambelt break on starting - not unknown by any means!

 

[ChasR]

Chains/belts tend to fail when valve stress is the highest on them (I.e when doing harsh gearchanges or at low rpm) if they are on their way out.

 

[robwright]

Logic says that if the belt or chain did fail whilst cranking (which it sounds like) then the damage shouldn't be too bad. If it turns out to be the worst case scenario at least it should be recoverable. Not as if it failed during motoring.

 

[NEIL2]

mike Yes cam belts will fail on cranking ie strip teeth snap ect but this is usualy down to age of belts , in this case belts are well within age mileage restrictions going by all info , but yes i agree with you on your point a week belt which is out of adjustment will fail due to sudden force applied during cranking which is far greater than a running force at normal engine rpm

 

[Mike_Pollock]

On the van the belt was only approx 8k and 3 months old did no other damage. Then next one, fitted by main dealer, went at 25k and 2 years at 60mph and wrecked the head!
NB should be changed 48k, 1st belt to go was 2nd belt on engine - original was fine - and was main dealer fitted.
Don't know how you can be sure of ANY belt - this van has a chain!

 

[NEIL2]

What van do you have ??

 

[Keith D]

Hi Steve, you have described exactly the same symptems as we had with our S2 last week. and with the forums help I checked fuse No 7 (7.5 amp) and the DME relay (the black one in the fuse box) after removing both and re fitting the car started on the button, bad connection or something, but like you I feared the worst.

Regards
Keith
PS new DME on order just incase it happens again

 

[SUSIT]

thanks Keith

tried that a couple of mins ago after reading your post and it had a cough but nowt else, will let my mate know. Have ordered a chain and guides today as even if its not that I am going to replace anyway. got a shock at the cost of valves, I have an old catalogue from porscheshop that quotes inlets at 25 + vat, on the phone they tell me 118 +vat find it hard to believe. but if valves bent will look elsewhere I have a mate who needed to get some made for a special 2.6 l twin cam shovit and it did not cost anything like £135 a valve

Thanks to all for help

Neil will pm you when we have the diagnosis if I need bits

 

[sulzeruk]

Steve, I have a good head here with valves in it if you need any.
Alasdair

 

[Pastry]

did you check for a spark yet? my lux wouldnt start this week, cranked fine for ages but didnt catch. swapped DME relay to no effect. think it was just damp; dizzy felt damp rubber on the leads is a bit perished, i warmed the dizzy with a hairdrier for 10 mins, pulled the plug leads off and put them on again, and it fired up.


surely if something broke and you've bent valves you would have heard it?

 

[SUSIT]

ORIGINAL: Pastry

did you check for a spark yet? my lux wouldnt start this week, cranked fine for ages but didnt catch. swapped DME relay to no effect. think it was just damp; dizzy felt damp rubber on the leads is a bit perished, i warmed the dizzy with a hairdrier for 10 mins, pulled the plug leads off and put them on again, and it fired up.


surely if something broke and you've bent valves you would have heard it?

Not sure as it happend as it was being started. so might not hear anything great, last time I bent valves was in my Rover SD 1 rally car and it was buzzed at high revs didnnt hear much then it just started running on 6 cylinders

Alisdair will drop you a pm if I need a head. Thanks