306 xrdt MOT failure emmissions, now seized engine??

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pug78 - 12 May 2006 00:55 GMT

Hi,

My 306 XRDT failed MOT on emmisions, reading 3.75 on the machine, Ii
put in some diesel additive and took for a hard drive taking it up to
the limitorin 3rd and 4th, when I had finished I was on my way home,
slowing down it cut out and it is now dead, will not jump start or bump
start, the engine will not turn over at all, the starter just clicks
because it can't turn the engine over and when we tried to bump start
it in 2nd gear when the cluth is released its like putting on the
breaks,

...it had a head gasket less than 150 miles ago.

I was planning on MOTing it and selling it, now I think I will have to
just give up on it an let it go for spares or repair.

any thoughts...

Gavin

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Keith Willcocks - 12 May 2006 08:47 GMT

> Hi,
>
[quoted text clipped - 13 lines]
>
> any thoughts...

You say you pushed it. Has the timing belt snapped or slipped under the
strain causing the internal bits to jam against each other? Just a
thought.

Signature

Keith Willcocks
(If you can't laugh at life, it ain't worth living!)

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Brian - 12 May 2006 09:21 GMT

> My 306 XRDT failed MOT on emmisions, reading 3.75 on the machine, Ii
> put in some diesel additive and took for a hard drive taking it up to
[quoted text clipped - 13 lines]
>
> Gavin

Jack up the front wheel, either side, select 5 (fifth) gear, and try to turn
the engine over. With the very high compression ratio, you need that extra
advantage of the higher gear. Doing it in second will seem like hitting a
brick wall. If you really can't turn it over in fifth gear, then you do have
a partially siezed engine I would think.
When it cut out, I assume there were no nasty noises?
If you had a new head gasket 150 miles ago, then it is most likely it is
something to do with that, get the cam belt tension and timing double
checked, in fact get on to whoever did the head gasket, as this is
definitely connected I would think.

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rogerlaredo - 12 May 2006 14:14 GMT

Sorry to hear that your 306 has died. The most common part to seize is crankshaft big-end bearings and the most common cause for that is dirty or incorrect engine oil. You could purr around with bad oil in it for ages without a problem, but giving it a big burst is the last straw that broke the camels back. The engine will need complete dismantling, crankshaft may or may not be repairable and con-rod may need to be re-sized. It could be cheaper to get a replacement engine from a wreck

--
rogerlaredo

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Chris - 12 May 2006 17:33 GMT

> Hi,
>
[quoted text clipped - 15 lines]
>
> Gavin

Did the person that done the head gasket replace all the belts??? if
not i think i would pay him a visit.
good luck

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