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Changing Glow plugs

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Changing Glow plugs

Postby sspeeedy » Mon Nov 14, 2005 6:55 pm

Hi guys. Does anyone know how easy it is to change the glow plugs on a 2.4 new shape tranny. Now its started getting cold its not starting very well on a morning.
Cheers
Steve
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Postby madmark » Mon Nov 14, 2005 7:51 pm

steve i am not shure about the new type vans are you shure its got glow plugs seems funny why ford would go back to that idea after all these years mate! :?
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Postby MrMPuk » Mon Nov 14, 2005 7:52 pm

Yes Mark it's got glow plugs.
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Postby sspeeedy » Mon Nov 14, 2005 9:00 pm

Yes it has glow plugs. Not only are they used to start it but the ecu uses them to control emissions.
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Postby FredTransit » Mon Nov 14, 2005 9:02 pm

didn't know that about the emissions, still don't know how to change em, don't even know where they are no need to........
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Postby Nighthawk » Mon Nov 14, 2005 9:36 pm

I'd carry out a resistance test on the glow plugs before attempting to change them.

If you do decide to replace them, you'll need to remove the egr valve and the inlet manifold in order to get access to them. Then undo the bus bar that connects the 4 plugs power terminals.

Using a 10mm deep socket to undo the plugs.

Be warned though...................!!!!!!!!!!!!!!!!!!!!!!!!!!!

They have a nasty habit of knackering the threads in the cylinder head
and being hard to remove the plugs from the head once undone because of built up carbon on the tips.

sorry to bring bad karma here, but forewarned is fore armed.
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Postby sspeeedy » Fri Nov 18, 2005 10:17 pm

Hi guys. Well i changed the glow plugs. When i was removing the small nut which holds the electric connector on 3 of them snaped the rod. luckily 1 of them had bn broken a while cos it was rusty when i pulled it out. The other 2 just came out and i was able to remove the main part from the head. The last plu at the back snaped off so now i have the rest of the plug still in the engine so for the moment ive left it until i can work out how to remove it. i did think of using a stud remover as this will fit inside the main shaft of the glow plug otherwise i think the only other way is to remove the head.

Steve
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Postby Nighthawk » Fri Nov 18, 2005 10:45 pm

I did offer a warning about this, they are a right royal pain in the ass!!!

Your not going to shift it with a stud extractor, and there's no room there to get a drill in, so my safest suggestion would be to remove the head and have an engineering company drill it out.

The bitter voice of experience here has taught told me that the plugs will be that tight, any further mauling will pull the threads in the head.

The head is a pig to do too, I'd also suggest that when your building it up.....replace the chain tensioner and guide for the very latest item....i'll expalin more about that little gem at a later date.
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Postby gazza » Sat Nov 19, 2005 12:36 am

sspeeedy wrote:Hi guys. Well i changed the glow plugs. When i was removing the small nut which holds the electric connector on 3 of them snaped the rod. luckily 1 of them had bn broken a while cos it was rusty when i pulled it out. The other 2 just came out and i was able to remove the main part from the head. The last plu at the back snaped off so now i have the rest of the plug still in the engine so for the moment ive left it until i can work out how to remove it. i did think of using a stud remover as this will fit inside the main shaft of the glow plug otherwise i think the only other way is to remove the head.

Steve


is there enough of the plug sticking out of the head to weld a nut to? i had this on an isuzu 1.7 diesel, drilled out a nut to slip over remaining part of plug and then mig weleded nut to remians of glow plug. i then removed plug from head whilst engine was warm, tricky akward pig of a job but it came out. i dont know if there is enough room on the new trannys to do this, may save head off though. dont be tempted to try and drill it out as the drill will wander very easily
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Postby sspeeedy » Sat Nov 19, 2005 7:03 pm

Thanks i'll have a look if i can weld a nut to it. The glow plugs still are'nt working. This morning we had a good frost. Before i tried to start the engine i put a test light onto the bar which feeds the plugs then turned the ignition on. The light comes on on the dash but theres no feed to the bar. First i think i'll change the relay.
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Postby Nighthawk » Sat Nov 19, 2005 7:21 pm

the glow plug indicator light works independantly of the plug circuit.

The plugs are switched on by the engine's PCM via a relay.

The fuse for the glow plug will often blow if ones shorted out to the head.
The fuse it's self looks like a wire. If you open the bonnet and look in the area of the fuse box and the red jump start point, follow the cables out of the bottom of the jump point, you'll see a loom and a single cable which is visable for about 4" long. Thats the fusable link for the glow plugs.

If the wire is broken....you'll have to cut out the cable and add in a maxi fuse holder yourself as the service part is not available, so the engine loom will need to be replaced as a cost of a few hundred quid. :shock:

Without getting my laptop out i think one of the grey realys in the fuse box under the bonnet is the glow plug relay.
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Postby sspeeedy » Sat Nov 19, 2005 8:25 pm

Cheers i'll check out the fusable link tomorrow.
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Postby sspeeedy » Wed Nov 23, 2005 12:00 am

Put a new relay in today and the problem is sorted YIPPEE!!!
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Postby Nighthawk » Wed Nov 23, 2005 9:01 am

Glad to hear it. 8)
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