Re: Disco 1 cruise control - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 1 (permalink) Old 06-14-05, 12:29 AM
Pete S
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Re: Disco 1 cruise control

"ntlworld" <> wrote in message
> Pete S wrote:
>> "Richard Brookman" <> wrote in message
>>>so was, like...
>>>>>My new (to me) 300Tdi Disco has a non-functioning cruise control. I
>>>>>knew about this at purchase, but thought it would be an easy fix
>>>>>after having the same problem with the RR. I have cut back the
>>>>The little black thing that is under the jack is in deed the vac pump
>>>>and solenoid. It's mounted on rubber feet pushed through holes in the
>>>>plate below it, they doo pull out and can be put back. It looks like
>>>>if you reconnect the vac pipe your troubles will be over, unlike mine
>>>>I think the ECU is duff.
>>>Aha. There is nothing *under* the jack but a panel with a round hole in
>>>it and a void underneath. The little black thing I mentioned is bolted
>>>(no rubber feet) to the *side* wall of the jack/chock space and has no
>>>obvious nozzle on it to connect to a vacuum pipe. When I get the
>>>workshop manual I will find out what it does. From what you say, it
>>>looks like the vac pump is missing, although having examined the area I
>>>can't for the life of me see where it would go. I'm a bit mystified at
>>>the mo. Where is the vac pump mounted in relation to the jack?
>>>Disco 300 Tdi auto
>>>S2a 88" SW
>>>Tiggrr (V8 trialler)

>> Remove the jack and looking from the front of the car the vac pump is on
>> the left just out of sight through the hole.
>> Peter.

> I thought the vacume pump was on the left side of the engine when you are
> standing at the front. It has a largeish pipe that goes to the brake servo
> and a smaller feed pipe that goes to the egr valve under the wheel chock
> at the front right of the engine compartment.

No The large vac pump on the LHS of the engine is just for the brakes and
EGR. The cruise vac pump is a small electric pump that is switched on to
increase speed and a solenoid valve to let out the vac to decrease speed.
It's behind the RHS headlight under the jack through the round hole.


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