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        General >> Problems >> who's got the same engine then 
        
(Message started by: madalaine123 on Apr 26^th, 2008, 1:48pm)

Title: who's got the same engine then
Post by madalaine123 on Apr 26^th, 2008, 1:48pm

Hi all I'd like to start by thanking everyone for their help with my problems I would have sold my scorpio and bought something else if it wasn't for the help i've had by the people on this site it's saved me an absolute fortune THANX

I need to fit a new injector pump to my 95 td scorp because the seals have gone on it and I have found someone who is selling a injector pump from a 97 jeep cherokee which I have been told has the same engine and he has sent me the numbers that are on the top which I believe are the casting numbers and they are the same

So does this mean that it will be ok for my car will the pump be exactly the same or will it have slight differences Does anyone have an injector pump they can sell me or know anyone that's got one

I hpoe there's somebody out there who can help me coz I love my scorp and I want to drive it again soon because I'm missing it

Title: Re: who's got the same engine then
Post by Scorpio_Mike on Apr 26^th, 2008, 7:37pm

Does this help ?

http://www.dieselbob.co.uk/injectionparts.shtml

Might be worth giving them a call - seems like they know a thing or two about diesels !

Title: Re: who's got the same engine then
Post by sector-9 on Apr 27^th, 2008, 11:29pm

AFAIK, there were only two types of pump fitted to the Scorpio diesel engine, both of which are Bosch. The early pump was mechanically controlled except for an advance solenoid on the bottom (the engine will still run with this disconnected, though noisily) and a fuel shut-off solenoid on the rear, and can easily be recognised by the presence of a throttle cable, and a large diaphragm housing atop the pump body.

The later pumps are electronically controlled and the engine will not run without the ECU being attached and functioning. There is no throttle cable nor diaphragm housing as the ECU takes over those controls, consequently the pump has several connectors compared to the two on the earlier models.

You need to check that the pump on the Jeep is a Bosch (it almost certainly will be), and if it is mechanical or electronic control as you will need the same type as the one you've got. If yours is electronic then be aware that the pumps on some cars (not sure if the Scorp or Jeep do) are coded to the ECU for security! Also, I believe some applications of the VM engine used direct injection compared to the indirect injection used on the Scorpio, obviously you'll need one from an IDI engine so it might be worth researching the VM diesel fitted to the Jeep before buying it.

Being as you'll have to remove the pump from the timing case anyway, can't you just replace the front seal on your own pump? I previously had an Escort diesel on which the front seal failed on the pump and it leaked diesel into the timing case. However it was relatively easy to replace the seal and for the few quid it cost, a lot cheaper than replacing the pump or sending it off to be rebuilt!

Darren

Title: Re: who's got the same engine then
Post by madalaine123 on Apr 28^th, 2008, 1:57pm

Hi mate I appreciate the reply I have actually ordered the pump now when it gets here I am hoping it's the right one I assume if all the numbers on the pumps match and it looks the same I can go ahead and fit the new pump. It's possible that I may be able to fit new seals to the pump i've got on the car now but I've never done that before and I've heard that you should always have the pump recalibrated before you put it back on which I won't be able to do

Title: Re: who's got the same engine then
Post by sector-9 on Apr 29^th, 2008, 11:19pm

The only seal likely to fail and leak externally is the front seal on the shaft. As you don't dismantle the pump to get it out or refit there's no calibration needed. In any case, I'd suggest the replacement pump is more likely to need recalibrating than your own. ;)

It'd be worth you checking the seal on your old pump when you remove it - heck, even buy another seal for how little they cost and have a go at fitting it, that way you'll have a working spare in case the replacement fails. ::)

Darren