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Technical Glow Plugs for Dummies

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Technical Glow Plugs for Dummies

Prilliant03

Prilliant03

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New glow plugs have been bought for my 105 JTD, so I ventured to the garage today planning to spend a few hours replacing them.

Needless to say I gave up after 30 minutes, totally unsure of what I need to remove/displace for access to the plugs.

Any hints would be very welcome. Am I best leaving this to my local specialist, or is it just a matter of taking my time and being methodical? It would be much easier if the manual I had on a disc gave any advice at all, but it doesn't even seem to acknowledge the existence of glow plugs.:rolleyes:
 
My other half got stranded outside Tesco for an hour a few days ago. The car would turn over but not start. Strangely the car started after a while being left with the ignition on.

The car always starts first time for me, but at £20 for a set I figured replacing the plugs was worthwhile. If this fails then I might have to try the crank sensor.
 
Prilliant03 said:
New glow plugs have been bought for my 105 JTD, so I ventured to the garage today planning to spend a few hours replacing them.

Needless to say I gave up after 30 minutes, totally unsure of what I need to remove/displace for access to the plugs.

Any hints would be very welcome. Am I best leaving this to my local specialist, or is it just a matter of taking my time and being methodical? It would be much easier if the manual I had on a disc gave any advice at all, but it doesn't even seem to acknowledge the existence of glow plugs.:rolleyes:
Click to expand...

All i can say is that its a very fiddly and time consuming job. You need to fit the socket over the plug first then lower the bar onto the socket due to the fuel lines. On the JTD100 you have an electronic EGR on the back of the engine, I had to remove this to access one of the plugs, on the JTD105 yours is located elsewhere so possibly easier to get too.

http://www.network54.com/Forum/15639/thread/1237244628/Oh+the+joy+from+changing+the+JTDs+glow+plugs

Hope that helps.
 
Many thanks for that Joske. I have all the tools I'm ever likely to need (the legacy of a long line of Italian motorcycles), so I guess there's no reason I can't do this as long as I take my time.

One final question. How do I remove the wiring from each glow plug? I wasn't able to get a good view of it during my brief attempt.
 
Prilliant03 said:
Many thanks for that Joske. I have all the tools I'm ever likely to need (the legacy of a long line of Italian motorcycles), so I guess there's no reason I can't do this as long as I take my time.

One final question. How do I remove the wiring from each glow plug? I wasn't able to get a good view of it during my brief attempt.
Click to expand...

You pull the plastic covers off the top. Don't pull on the wires though.
 
Well the plugs are still in their pacakging, but I'm not convinced they're the root of the problem anyway.

I've just experienced it myself for the first time.

Ignition on

Glow plug light goes out within 2 seconds

Lots of churning

No firing

:confused:

Is it possible it could be the immobiliser? I'll try a different key and see what happens. Thankfully I got all 3 with the car.
 
Prilliant03 said:
Well the plugs are still in their pacakging, but I'm not convinced they're the root of the problem anyway.

I've just experienced it myself for the first time.

Ignition on

Glow plug light goes out within 2 seconds

Lots of churning

No firing

:confused:

Is it possible it could be the immobiliser? I'll try a different key and see what happens. Thankfully I got all 3 with the car.
Click to expand...

Check the fuel cut off switch in the passenger side footwell near to the speaker. Could be a faulty crank sensor though.
 
Could the fuel cut-off switch cause an intermitent fault? I'd have thought it was an on or off thing.

The crank sensor is seeming more and more likely. Is there any way to test it or do I just have to bite the bullet and buy a new one?
 
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