Vehicle & Technical > Defender

No Glow.... poor cold starting

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Ja1983:
i notice my 2.5td takes a lot of turning, hope and finally fog to  start up first thing. i also note there is no glow plug light on the dash, however a yellow light with a choke symbol lights when the key is turned.

have i got one thats been converted to diesel?

...and how do i know if the glowplugs are wired up and functioning properly?

....whaich fuse do i need to check?

`89 defender 90 2.5 TD

Cheers

Litch:
The same cold-start warning light is used on both pertrol & derv models.

First question is how long do you let the plugs heat before you turn the engine and when the engine has started and the key in the normal 'on' position I take it the light goes out ok?
I found with my old 2.5NA D (which is pretty much like the TD when it comes to starting) that pre-heating of anything between 8-seconds in warm weather to 15-seconds in winter was needed to let the engine start first time. When it got to 20-seconds (in winter) I replaced all the glow-plugs (£15 and 30-mins work) and everything was fine again. I tested the old plugs on the bench and indeed found that one was U/S.

The TDi's are a different matter, mine needs no pre-heating in summer and although it would probably start easy enough in winter I do wait until the light goes out (they have a timer relay fitted).

Ja1983:
the only light i get is the choke light which comes on as the starter motor turns, will invest in a set of plugs and see if theres any improvement!

still a mystery tho. tried tracing wires the other night, but not an easy task after 7-8 cans... :lol:

maybe a faulty relay? - where are they, how do i test it?

cheers

BigBlue90:
The 2.5td does not have an automatic glow plug. If you turn the key halfway between position two and three the choke light should come on (without the engine turning over). This indicates that the glow plus are on. Give it 10 seconds and then turn the key the rest of the way.
Sorry if I have stated the obvious but it was not explained to me when I first bought mine. I was so used to the glow plugs being heated automatically that I took a while to work it out.

Hope that helps.

dew1911:
W had that problem - if you hold it for 10-15 seconds before starting it should crack up no problems. Also try the battery, ours had been given a car battery and so didn't have the grunt to turn itself to fire.

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