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ChrisB

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Posts posted by ChrisB

  1. 52 minutes ago, GBMUD said:

    Pre-heating the engine/oil sounds like a possible option if it is likely to 'melt' the jelly.  I would not recommend it to anyone else, but if it were me then a camping stove under the sump would get the oil good and hot.  Also, refilling the cooling system from the hot tap would be a possible pre-heat option - unless you (I mean 'I'!) had a preheater available.

     

    Chris

    I do have a DBW 46 preheater all plumbed in to both water and diesel circuits. Unfortunately I can't get it to fire and run reliably - it's always been on the list of things to try and fix :-(

    Given the water plumbing is there, I could try and circulate through a heated bucket of water to warm things up a bit. Given the quantity of engine oil and diesel all over the engine bay, I suspect that the camping stove option will likely result in a visit from the fire service!

  2. The jelly was caused by a reaction between oil types/additives. I don't believe that any water was involved, as it's a true black colour. I am not aware of any overheating, and the cooling circuit seems well filled and nothing untoward there.

    I've had the sump off for a good lean out - there was a significant quantity in there. I've refilled with regular engine oil + 2x engine flush bottles. The intention was to get it running for a while on that and then drain / refill, but there doesn't seem much point progressing while there is oil being ejected from the rocker cover.

  3. OK, so, I know that it's most likely my own fault for causing this mess, but now I'm trying to work my way out of it.

    My 300Tdi (Disco, EDC) engine oil turned to a thick jelly-like mess, with a large quantity going into the rocker cover, through the cyclone, into the air intake and blocking the whole air intake pre-turbo.

    I've cleaned all that muck out, dropped and cleaned out the sump and changed the oil filter.

    Currently the air intake hose is disconnected from the intercooler to exclude anything air-related in my troubleshooting.

    Filling the engine with oil took a very long time as the rocker cover was slow to drain.

    Now, after about a minute of starting the engine, the rocker cover fills up and oil is ejected from the filler fairly rapidly. I guess that the path from rocker cover down through the engine is blocked, or partially blocked, but I'm not clear on the path, and where I should go next to try and fix it.

    Any assistance much appreciated!

  4. So I took the siren unit out and opened it up. The inside is potted with black silicone. The two NiCd cells were both leaking, one to the point where the whole cell fell apart in the middle when I was digging around in the silicone. The whole thing has now gone in the bin.

    It would be nice to have some kind of sounder on the alarm. I can wire in something to the existing connector, but does anyone know the pinout?

  5. Thanks Iain. Reading some posts on here, I thought that the EDC-equipped vehicles don't have a spider though? Is this correct? Not 100% sure what you mean by keyless entry, but the two-button fob works fine, and the vehicle starts and drives with no problem, even if the siren is sounding.

  6. I wonder if anyone has any ideas? My alarm siren is sounding continuously for no apparent reason. It first happened whilst driving down the road, and I unplugged it to silence. A week later, plugged it back in and all is well again.

    Fast forward 2 years to last week and Disco is on the drive and alarm siren starts sounding. No indicators flashing or anything else to show the alarm has been activated, just the siren. No amount of locking or unlocking with the fob stopped it. I unplugged it again. Today tried to plug it back in again, but it sounded instantly, so it's currently unplugged. I've done lots of forum searching and can't find anyone describing a similar fault. The disco is a 98 300Tdi Auto (EDC).

    Cheers

    Chris

  7. Simon's alternator is in my garage :-)

    Simon sold it to me with half the mounting bracket attached, but it would be easy to make the other half again.

    I never got round to installing it on my 200Tdi - good job really as it rolled on the M20 at 65mph! The 300tdi has A/C, so options are limited, apart from a mighty power bulge in the bonnet and a sturdy frame to mount the alternator on top of the engine. I can't ditch the A/C as the WAF is borderline already. I occasionally wonder about powering it from a PTO hydraulic drive, but never get further than a thought.

    I need to empty the garage so it can be rebuilt with bedrooms on top, so I guess it's for sale too.

    Chris

  8. I've been experimenting with my SGC-237 autotuner and a long fibreglass pole with a bit of wire taped to the side. Pole bolted to the spare wheel carrier of my disco (without the wheel!). Tuner mounted inside the carrier.

    Reasonable success. but definitely needs a permanent solution. Next move is to try a piece of ali bolted to a roofrack crossbar with the ATU underneath. Pole bolted to crossbar. Theory says this should be much better! Earthing by braid to existing antenna mount on roof.

    The ATU will load up anything, ideally 9ft long, but I have used it on higher bands with 6ft. Problem is, importing a 9ft whip from the US is expensive, unless you buy bulk, or a two-piece which I think is too stiff for our use.

    Looking forward to the X-Ant!

    Chris

  9. Well... experience this evening has been "suboptimal". Chain failure! The bracket holding the adjuster chain to the end of the stiff plastic-covered steel bit has bust. They were Ex-MOD RUD-matic chains too, brand new when I got them about 2 years and 200 miles ago.

    I won't ask which wheel to fit the remaining chain to - it's currently hanging over the spare on the back door......

  10. You had no cornering because you have summer tyres and/or were going too fast.

    Of course not many in the UK want to buy winter tyres for the few days each other year. But having got used to that and seeing how much safer it is, i would do that even if living back there.

    They're KL71s, so neither winter or summer really, much more suited to mud. The cornering test was a standing start with just enough throttle to overcome the hill I was turning onto, so speed wasn't the issue, lack of grip on front tyres was. If I did more than 5 miles each way to work, I'd definately put winter tyres on, but it's really not worth it when we have the C4 for daily driving (except getting me to work).

    The other car, a Citroen C4 GP, has winter tyres and is better than my Disco, the problem with that is the EGS gearbox does not allow fine enough control of power delivery, so wheelspinning is very diffcult to avoid if trying a standing start uphill, or any sort of bump in the road surface/snow. I took it to Val Thorens in December with 2m of snow, brilliant on the ice/hard snow, but useless where others had churned it up a bit.

    I'm not arguing with anyone, or taking any offence, merely explaining my experience this morning and in previous years.

    BW

    Chris

  11. Ok. Did an experiment this morning. I live on a slight hill and drive a 300tdi auto disco with 235/85 KL71s. Moderate amount of tread left.

    No chains - cornering out onto uphill slope with no difflock = lots of slipping of 1 rear wheel and resultant zero drive. With difflock = no problem, but braking caused mega slide. Slowing down by forcing 1st gear - slide.

    Rear chains - useless without difflock as front wheel spun. With difflock - drive ok in a straight line, totally unpredictable when trying to corner.

    Front chains - Fine for forward motion and braking in a straight line with difflock on. Cornering - fine as long as you go slowly enough, ie slow down before cornering. Applying a little throttle going through the corner is fun, but not recommended whilst passing children or parked cars!

    So: My choice is front with difflock in on any surface that will allow the rear tyres to slip appropriately for turning corners.

    Chris

  12. I've found lots of problems with fluorescent lights running on non sine wave inverters. Never been successful so far with four different inverters and lots of lamps. They fail to start usually, It won't damage anything by trying though.

    Mains LED should be fine!

  13. I think there's a date code on the battery which might give it away, but realistically, if it won't hold a charge and >4 years old, its probably dead.

    I took a recent one in with no receipt and they changed it, but then the date code proved it was <1yr old.

    Give it a go - you've little to lose!

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