The Dispatch | Expert | Scudo Hub

Get help & share your Citroen Dispatch (Jumpy) | Peugeot Expert | Fiat Scudo tips

You are not logged in.

#1 2019-10-07 09:58:19

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,415

Glow Plug Relay

Does yours chatter? Just had to change mine with a scrap yard one as one of the bolt poles fell out big_smile Old one and this one chatters rather than click like every other diesel i have had.

Offline

#2 2019-10-07 12:00:44

kenbw2
Member
From: Bradford/Preston/Anywhere
Registered: 2017-11-26
Posts: 468

Re: Glow Plug Relay

Only ever get a click from mine. Does it work?


2000 Citroen Dispatch 1.9TD XUD9 Camper Conversion + full time home
1999 Citroen Dispatch 1.9D DW8 Disassembled Camper Conversion
1996 Peugeot 806 1.9TD XUD9 Spare vehicle
1998 Citroen Synergie 1.9TD XUD9 Snapped timing belt

Offline

#3 2019-10-07 13:06:43

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,415

Re: Glow Plug Relay

Yes it works fine. Odd that two chatter however...... I have an orange beacon on the roof and when i switch the ignition on it flashes once so when i get time that is getting ripped out.

Offline

#4 2019-10-07 15:54:26

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,415

Re: Glow Plug Relay

Orange beacon removed and still chatters. Changed relay for the other but one get one free deal and that chatters also so that is three that chatter. Whats the chance, slim so must have some other issue.

Offline

#5 2019-10-14 11:58:45

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,415

Re: Glow Plug Relay

OK. Bad van day as it would not start for love nor money this morning. I replaced the filter cap only as i bust of the return pipe. Would that have been enough to warrant bleeding the injectors. Took the van for a drive yesterday when i changed it as well.

Anyway

The chatter noise i thought was my relay is actually coming from the pump. I have the B engine remember, do these prime themselfs also what is the black box under the green glow plug relay as this is what clicks. Mine was faint hence not hearing it when in the van but it takes 37 seconds to go off. By this time the wire is to hot to leave a finger on. Is this the norm. Replaced with another 2nd hand one what has a better click but still takes 37 seconds and wire still gets hot. If i need to replace this it runs from right of manifold into the loom and back out again at the relay. This look easy enough to replace but am i better to take this out the main loom as if its overheating it may melt other wires.


Last edited by Casper (2019-10-14 15:01:31)

Offline

#6 2019-10-15 09:05:06

tee_cee
Member
Registered: 2016-03-18
Posts: 236

Re: Glow Plug Relay

On my old dw8b I could hear the stop solenoid chatter when the glow plug light was lit on the dash. I think that this is a self cleaning mechanism, but could never find any supporting evidence online.
Are you saying that the chatter is still there when the engine is running?

Offline

#7 2019-10-15 11:06:57

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,415

Re: Glow Plug Relay

tee_cee wrote:

On my old dw8b I could hear the stop solenoid chatter when the glow plug light was lit on the dash. I think that this is a self cleaning mechanism, but could never find any supporting evidence online.
Are you saying that the chatter is still there when the engine is running?

No not all the time that goes out with the light also. I was presuming it was my glow plug relay but since discovered not. I could not hear my relay going off like all other diesels i have owned but.... I thought changing my buggered glow plug relay would cure this issue but that never also. When playing about with the van yesterday after a bad van start day i discovered the black box under the glow plug relay was where the click comes from and mine was faint. Got a couple more from scrap yard and changed it what now gives a click off i can hear in the cab

20191014-102246.jpg

BUT....

The old and two new (New to me) ones all take 37 seconds to go off. This is generating a lot of heat in the wire what worry's me as its running along inside the loom. All glow plugs were changed also for new ones.

Last edited by Casper (2019-10-15 11:07:24)

Offline

#8 2019-10-15 13:30:29

OAT
Member
From: Borders/Dales
Registered: 2017-01-03
Posts: 384

Re: Glow Plug Relay

37 secs seems a long time.

If you try it and it starts after only 10 secs, does the light then go out and heating stop do you think?  or would it not start due to plugs being too cool?

I think the length of time on is how long it takes the plugs to get up to temp.  Turned of by a temp sensor at the plugs.  If so, the 37 secs suggest that the plugs are not heating quickly enough.

Are you sure the glow plugs are the right ones?

Online

#9 2019-10-15 16:41:28

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,415

Re: Glow Plug Relay

OAT wrote:

37 secs seems a long time.

If you try it and it starts after only 10 secs, does the light then go out and heating stop do you think?  or would it not start due to plugs being too cool?

I think the length of time on is how long it takes the plugs to get up to temp.  Turned of by a temp sensor at the plugs.  If so, the 37 secs suggest that the plugs are not heating quickly enough.

Are you sure the glow plugs are the right ones?


Well, i hope they are the right ones. Its what a motor factor came up with using my reg anyway. I cant tell if it was 37 seconds with the old one as that black box did not click loud enough. The light is only on for five or six seconds what was enough to start the van but its a lot colder now. I dare say after possibly 10 - 15 seconds it will be fine but i think i will take out 5 seconds each morning and just get int the habit of counting it in my head.

Any of you know the name if this clip/clamp and what size i need for the EGR? Its been off and on one time to many. Last 20 mile home today was loud  tongue

20191015-155547.jpg

Offline

#10 2019-10-16 09:35:51

tee_cee
Member
Registered: 2016-03-18
Posts: 236

Re: Glow Plug Relay

Which wire is heating up? If it's the white wire at the top of the green relay in your pic, I'd say that the wire is damaged - looks in bad shape to me.

Offline

#11 2019-10-16 11:50:14

kenbw2
Member
From: Bradford/Preston/Anywhere
Registered: 2017-11-26
Posts: 468

Re: Glow Plug Relay

Casper wrote:

Any of you know the name if this clip/clamp and what size i need for the EGR? Its been off and on one time to many. Last 20 mile home today was loud  tongue

Here you go:

jpXD4vP.png


2000 Citroen Dispatch 1.9TD XUD9 Camper Conversion + full time home
1999 Citroen Dispatch 1.9D DW8 Disassembled Camper Conversion
1996 Peugeot 806 1.9TD XUD9 Spare vehicle
1998 Citroen Synergie 1.9TD XUD9 Snapped timing belt

Offline

#12 2019-10-16 15:38:20

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,415

Re: Glow Plug Relay

tee_cee wrote:

Which wire is heating up? If it's the white wire at the top of the green relay in your pic, I'd say that the wire is damaged - looks in bad shape to me.

Yes. The crap bit you see is the heat shrink burnt and it does have a few broken strands. The wire heats to much for my liking in the 37 seconds for the glowplug click. Would you know if that wire just goes direct to the glow plugs as i would like to bypass the loom altogether and just re route the cable for safety. 


kenbw2 wrote:

Most excellent thank you. Do you think that 35 is 35mm I/D. I found better ones that work like a jubilee clip what are called V Clamps.

Offline

#13 2019-10-16 17:54:39

tee_cee
Member
Registered: 2016-03-18
Posts: 236

Re: Glow Plug Relay

From what I can tell the glow plug timer is in the green relay, so I don't know what the relay underneath does. I'd suggest cutting back the white wire to good conductor and extend it back again with a crimp butt connector and new crimp ring connector.
It looks like some water has got in and it is surprising how it can get wicked up the inside of the cable. The corrosion makes the wire brittle and the poor connect ion will generate heat with the high current required.

Offline

#14 2019-10-16 20:17:10

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,415

Re: Glow Plug Relay

Funny as just after the last post i ordered crimp eyes. Decided to look into if that cable comes out the loom easily enough. It looks like it as the plastic cable cover has the slit like a cable tidy behind your TV. At least this way i need a shorter cable so will have plenty to cut away and re route. Ill get tore into that on Sunday if the eyes arrive

Offline

#15 2019-10-16 22:26:26

vaz2121
Member
From: SW. Scotland
Registered: 2015-08-31
Posts: 688

Re: Glow Plug Relay

My understanding is and seen this to be the case on other diesels I've had...............

The the glow plug telltale light should stay lit until plugs (cylinder/pre-chamber)are hot enough for start (the relay timer is telling you this anyway)........... In colder weather it's on for longer to achieve  required temp to assist start..... However the plugs remain powered/lit after start Althoughtelltale on dash is out.............
This to assist (In the heat loss into otherwise cold engine metal) a satisfactory start and alegdedly smooth out lumpy running until enough heat is generated within engine as combustion without an ignition source  requires a certain amount of thermal efficiency this along with (dependant on what pump fitted) some exess fuel and a touch of injection timing advance (if it's working)

Last edited by vaz2121 (2019-10-16 22:35:51)

Online

#16 2019-10-27 00:57:19

vaz2121
Member
From: SW. Scotland
Registered: 2015-08-31
Posts: 688

Re: Glow Plug Relay

After getting all my glow plugs changed ........... We had a heavy frost (probably first real) couple nights ago and F*** Me..... Van refused to start.................
Cut a long story short (Co-inky-Dinky?)  I've changed (stole out my diesel golf.... {Same designation}) the battery and all appears well again...............
(Have another 096 on order)

I dicovered while testing glow plug operation...... My pump does that chattery thing also for about 5 Secs..........

This might be of use ...........(HDI's are the same gubbins but different operation of ....I believe.... being direct injection)
https://www.youtube.com/watch?v=m_G9028N1Gg

Online

#17 2019-10-27 14:31:04

Casper
Member
From: East Lothian
Registered: 2015-12-20
Posts: 1,415

Re: Glow Plug Relay

Nah not the battery. That was replaced just before i got the van with a heavy duty Yuasa. I think they all must just take there time to heat up or should i say relay to close as the 37 seconds is still a long time. I tend to just count down 20 seconds now on cold mornings and its been fine with that. Every other start during the day it will fire up just after the light goes out.

Wonder if there is any way to extend the time the light is on.

Offline

Board footer