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Citroen 1.9TD Fuel pump solenoid removal


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Posted

Once did nearly 300 miles in a points ignition car, through the night. Removed nearside headlamp dipped supply and kept my foot down, the car was cutting out for the last four or five miles when I applied the brakes - 42w was dropping the voltage too much.

 

120 miles in daylight easy peasy if you have a reasonable battery in an old dizzle, just don't sit in traffic with your foot on the brakes and choose a dry day. Just make sure the battery is charged and holding its charge when you leave - a set of jump leads to blag some juice from passing motorists in the worst case scenario a good idea.

Posted

Easy enough job on those. Better take allen keys and 16mm tools

I'm not so sure. It's right around the introduction date of a European regulation that required car makers to fit electronic fuel cut off immobilisation, which a 15 minute "Any tools" anti-theft criteria.

 

I worked on the design of the second version of the Lucas Diesel (CAV), so became familiar enough with version 1. Which this might have.

 

Version 1 was basically the old solenoid (which yes, you could unscrew, remove plunger, and steal the car if you could bump or jump start it), but with a bloody great hardened steel fabrication around it to protect it. Then there was a couple of wires to the electronic module, which was bolted to the pump, which provided the coding. IIRC the module, worked on the principle of applying a decent current to it, to pull plunger in, but then a lower current to hold it, and stop it burning out, but because occasionally the lower voltage wasn't enough to hold it, ever few milliseconds it gave the higher current.

 

Version 2 was a smaller solenoid, but all the electronics were enclosed within it, and there was a latch on the pump IIRC, so if you undid it, it would block internally. They put the fabrication over it too.

 

At one point they had ramped up to making 23,000 a week

 

Mind you if It's bosch pump, I have no idea what they did. We never bothered to check the competition, as our customer was Lucas Deisel in Blois, and we just followed orders from them.

Posted

No, it looks a bit like a spark plug from the outside, with a single wire on it. Look up stop solenoids on ebay to see what they look like. It's just occurred to me that you won't be able to access it if the car has an immobiliser.

That's what I'm saying.

Posted

A fully charged little 45ah battery will keep the 0.5 amp stop solenoid working for 90 hours, use a tad (30 mins) of indicating, brake lights, screen washing and single blade wiping  (48 watt/ 4amp?) still leaves 43ah or 86 hours of erotic solenoid action. Even a 350 amp starter for 4 seconds will be ok.  Take a gofer passenger so you don't need to stop the engine when buying yer Ginsters and avoid bump starting with no brakes nor power steering.  Keine problemo.

Posted

Nope! If I get it now will it cover me tomorrow?

 

Not sure to be honest. I bought AA cover at 11pm one night and had to use it the next afternoon 100 miles away from home. Check the small print though if you do buy some!

Posted

Softie!

 

avoid bump starting with no brakes nor power steering. 

 

How else would you? :D

Posted

Fuck up it goes...

 

Its quite exciting as I'm not bidding, my friend who's paying is, so I won't know as I'm going to a party later in a field with shit all signal...

 

Anyone want an xm?

Posted

£150 for the Xm. Collect tonight m8?

Posted

The easy to do comment was about changing the alternator not the stop solenoid. The solenoid will be shielded with a thick plate held on with shear bolts and a 3 wire connector.

Posted

Well that shot up far too quickly! Luckily I have a plan B that cropped up earlier!

Posted

I haven't seen an XUD with a shielded stop solenoid, maybe really late ones have them though.

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