760T won't start

  • Thread starter Thread starter Paul Hosking
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Paul Hosking

the wife ran it down to empty on fuel, put a tin of fuel in and won't start
any ideas.

BTW thanks for help with the last problem fuel injection relay worked a
charm!!



Paul
 
Just to add to this,

it cranks, there is a spark (or at least it sure felt like it) the car is on
a slight angle, it sounds a bit strange when it cranks sort of loose or
free.

When I first went to start it, it ran for a little bit I thought I might
make it to the petrol station, well it got out the drive.

Paul
 
Paul said:
Just to add to this,

it cranks, there is a spark (or at least it sure felt like it) the car is on
a slight angle, it sounds a bit strange when it cranks sort of loose or
free.

When I first went to start it, it ran for a little bit I thought I might
make it to the petrol station, well it got out the drive.

Paul
Click to expand...

Undo the screw on the top of the timing belt cover, bend it back and
have a look at the belt.

--
Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)
 
The easiest way to determine whether the timing belt has failed is to
remove the oil cap on top of the valve cover and look while someone
tries to start the car.

If you can see the cam turning over, the belt is not broke (although it
may have slipped or jumped a few teeth).
 
Paul said:
the wife ran it down to empty on fuel, put a tin of fuel in and won't start
any ideas.

BTW thanks for help with the last problem fuel injection relay worked a
charm!!



Paul
Click to expand...

How much fuel did you add? It's possible the pre-pump has failed,
without it the system will have trouble priming if it's been run dry.
 
Yes, when I noticed the free kind of cranking I did suspct the cam, I've
recently replaced the cam belt so I didn't think it would be broke so soon.

Anyway I checked the cam and it's still Rotating, don't know if it;s slipped
but adding more petrol would probably be the quickest fix I'II try that.

I put a 5 litre tin of petrol first off.

Paul
 
Paul Hosking said:
the wife ran it down to empty on fuel, put a tin of fuel in and won't
start any ideas.

BTW thanks for help with the last problem fuel injection relay worked a
charm!!



Paul
Click to expand...
Once our '85 765T ran dry, and the main pump failed. I've seen a couple
other mentions of it when the tank runs dry... maybe the stress of running
without gas can kill an old main pump? If you crank the car for a moment
(returning to the "run" position) and then listen to the main pump
underneath the car under the front left seat, you should hear it run for
five seconds.

Mike
 
OK, I've had the timing cover off, all seems OK there,

I removed a spark plug and there is compression.

I have seperated a union in the fuel line and there seems to be presure,

But as Mike suggested I listened, after cranking and there seems to be no
sound coming from the fuel pump,

I assume it's a fuel pump? any other way of testing to know for sure?

Paul
 
looks like the pin that holds the cam chain to the crank has snapped and
it's not looking to good.

any chance of simple repair?
 
Paul said:
looks like the pin that holds the cam chain to the crank has snapped and
it's not looking to good.

any chance of simple repair?
Click to expand...

Cam belt you mean? Or is this something else? I'd be really curious how
the key snapped without the belt breaking. Either way that's a
non-interference engine so if you can fix the broken piece there
shouldn't be any internal damage.
 
Paul Hosking said:
Are you sure it's a non-interference engine, ahh and yes cam belt!
Click to expand...

Positive - it has been addressed at great length before. Once you get it
back together it should be fine.

Mike
 
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