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Author Topic: Opel 2.5 td hard start cold  (Read 1132 times)

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Kevin Wood

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Re: Opel 2.5 td hard start cold
« Reply #15 on: 08 April 2019, 11:53:54 »

The plumes of white smoke might indicate a glow plug issue, though?

I.e. presence of fuel but at least a couple of pots not firing due to lack of preheating.
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gazsomega

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Re: Opel 2.5 td hard start cold
« Reply #16 on: 08 April 2019, 14:46:09 »

Have parked it on a downhill slope to see if that had any bearing on fuel leaking back but still wouldn't start easy.Had problems trying to test the ohms reading couldn't get the readings to make any sense.(to me anyhow).
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TheBoy

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Re: Opel 2.5 td hard start cold
« Reply #17 on: 08 April 2019, 19:47:40 »

OK, if that makes no difference, replace all the leak-off pipes as a matter of course.
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zirk

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Re: Opel 2.5 td hard start cold
« Reply #18 on: 08 April 2019, 20:19:17 »

Have parked it on a downhill slope to see if that had any bearing on fuel leaking back but still wouldn't start easy.Had problems trying to test the ohms reading couldn't get the readings to make any sense.(to me anyhow).
Did you pull the Black Plug off the top like I said, otherwise your be measuring them all in Parallel, need to measure each one individually.
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raywilb

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Re: Opel 2.5 td hard start cold
« Reply #19 on: 09 April 2019, 12:09:22 »

 i used to purchase a 2mtr length of leak-off pipe from a firm called Pirtek  & cut to size. also range rover stockists were far cheaper than vauxhall & b.m.w used them for gaskets filter etc
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gazsomega

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Re: Opel 2.5 td hard start cold
« Reply #20 on: 09 April 2019, 15:04:37 »

By the leak off pipe do you mean the canvas striped pipe running by the injectors along the engine?

I did take the black plug off to expose the six wires on the glow plug relay.Will have another look at that.
« Last Edit: 09 April 2019, 15:12:38 by gazsomega »
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gazsomega

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Re: Opel 2.5 td hard start cold
« Reply #21 on: 09 April 2019, 15:40:10 »

By the leak off pipe do you mean the canvas striped pipe running by the injectors along the engine?

I did take the black plug off to expose the six wires on the glow plug relay.Will have another look at that.

Quick google search revealed what the leak off pipes are.Will replace them as a possible easy fix.
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raywilb

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Re: Opel 2.5 td hard start cold
« Reply #22 on: 09 April 2019, 15:51:59 »

By the leak off pipe do you mean the canvas striped pipe running by the injectors along the engine?

I did take the black plug off to expose the six wires on the glow plug relay.Will have another look at that.

Quick google search revealed what the leak off pipes are.Will replace them as a possible easy fix.
  the very last is a blank , very hard to see its tucked underneath the scuttle if my memory serves me right. another tip is put a rag or something between the starter motor & the engine when doing anything in that region as whatever is dropped usually end up there & lost   :y
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Keith ABS

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Re: Opel 2.5 td hard start cold
« Reply #23 on: 09 April 2019, 15:57:23 »

 Yea, the blank off on number 6 is a right pig to do. Always had at least half a dozen as always lost most replacing it
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gazsomega

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Re: Opel 2.5 td hard start cold
« Reply #24 on: 14 April 2019, 13:16:55 »

Run some diagnostics on the car and it is showing fault code 49 glow device general error.Does this mean one or more of the glow plugs is not working ?
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Re: Opel 2.5 td hard start cold
« Reply #25 on: 14 April 2019, 16:37:05 »

Run some diagnostics on the car and it is showing fault code 49 glow device general error.Does this mean one or more of the glow plugs is not working ?
  i would get the complete set.  :y
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gazsomega

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Re: Opel 2.5 td hard start cold
« Reply #26 on: 14 April 2019, 17:27:43 »

Would you suggest it's the glow plugs then
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Re: Opel 2.5 td hard start cold
« Reply #27 on: 14 April 2019, 19:43:36 »

Would you suggest it's the glow plugs then
  there are more knowledgeable guys than me , but i would think so. i learnt never to let the 2.5 td get low on fuel too. i believe there is a range rover workshop manual that covers the 2.5 straight six lump.
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zirk

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Re: Opel 2.5 td hard start cold
« Reply #28 on: 14 April 2019, 19:53:15 »

Would you suggest it's the glow plugs then
  there are more knowledgeable guys than me , but i would think so. i learnt never to let the 2.5 td get low on fuel too. i believe there is a range rover workshop manual that covers the 2.5 straight six lump.
There are some PDF Manuals floating around on the Web, like you say the RR / Freelander was the same Lump just a bit more power.

I may have the PDF Manual kicking around somewhere on a Bak Up, fairly sure you could download from OOF Site somewhere, but that may have been on the older Site. Or maybe I just dreamt it.
« Last Edit: 14 April 2019, 19:57:03 by zirk »
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Keith ABS

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Re: Opel 2.5 td hard start cold
« Reply #29 on: 14 April 2019, 20:20:03 »

 TB should be able to answer that as he owned one :y
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