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  1. Marshall8hp

    P38A Voltage drop

    If it hasn't already been fitted, then fit a lead directly from the alternator output to the battery positive, leaving the connection to the starter in place. It seems some trucks had this done as a dealer mod, some ex factory and some not at all.
  2. Marshall8hp

    P38A Rear Main Oil Seal Leaking?

    From experience, yes, oil leaking from the engine will end up as spots all over the tail gate if the leak is a reasonable one, especially after a good quick run.
  3. Marshall8hp

    Loud ticking noise

    As it is only there when the engine is under load it really speaks to a manifold gasket.
  4. Marshall8hp

    No Demister Blower Drivers Side

    Remove the kick panel, remove the instrument binnacle, remove the instrument cluster and you are looking at the two motors. Dead easy, takes about 5 minutes to get to them.
  5. Marshall8hp

    Unexpected issue with swapping the instrument pack on a P38

    It isn't just a need to replace the globes in the instrument pack is it? The "LCD" screen is powered by three 2W globes which take a few minutes to sort out.
  6. Marshall8hp

    Loud ticking noise

    @SaharaDust No I haven't done anything about it yet, it just hasn't got that bad. To be honest, I have looked at the manifold bolts time and again and can imagine a lot of pain in removing them with them snapping etc. I do want to do it though, I have the gaskets in stock, so maybe I just need...
  7. Marshall8hp

    Loud ticking noise

    Mine has developed a ticking noise in the last few months. More noticeable when cold, but always there. You can hear it better from inside the truck with the windows up. It is only there with the engine under some sort of load, so accelerating, going up a grade etc. with the engine feathered...
  8. Marshall8hp

    2002 P38 Heater speed dial

    That’s interesting, I can turn mine off by turning the dial all the way to the left. That having been said, the spares truck you can’t, 1 is as low as it goes. Perhaps it depends on the HEVAC unit installed. The one you can turn off has heated seats and screen, the one you can’t doesn’t.
  9. Marshall8hp

    Classic Dampers - Early Range Rover

    According to the1970s parts book: Front RTC4582 Rear RTC4583
  10. Marshall8hp

    L322 SC Slight 'groan' when pulling away

    Just a thought, is it something else like the body mounts groaning as the torque is applied, i.e. not transmission related?
  11. Marshall8hp

    What a Difference an Oil Makes.

    So I guess Castrol GTX 20W/50 (VI 119) and Valvoline XLD 20W/50 (VI 132) are also appalling by today's standards and should be avoided?
  12. Marshall8hp

    What a Difference an Oil Makes.

    1981 4cyl Landrover engine is as close to a 1950s tractor engine that you can get without actually being one. Density at 15°C, kg/L 0.881 Viscosity, Kinematic, cSt at 40°C 325 Viscosity, Kinematic, cSt at 100°C 31.2 Viscosity Index 133 Cold Cranking Viscosity, cP at -10°C 8166 Ca content, Mass...
  13. Marshall8hp

    What a Difference an Oil Makes.

    Its good stuff! Being Penrite it is also very high quality oil.
  14. Marshall8hp

    P38 MOT handbrake testing

    If you try to do a crash stop on the handbrake on one of these, you will destroy it. A controlled emergency stop yes, but not the sort of stop required to pass a brake test. I have seen the backing plate ripped off the transfer box when a fellow, with a manual, had the hand brake on and being...
  15. Marshall8hp

    What a Difference an Oil Makes.

    I have a 4cyl Landrover. It drinks 20W/50 like beer, to the tune of about a litre to a tank of fuel. I started using Penrite 40W/70 and it will now do 5,000km with a litre top up on the way through. Viscosity makes a huge difference to consumption, especially if you have an older engine with...
  16. Marshall8hp

    P38A Transfer Box Oil Seal

    Make sure the breather is clear and working or it will blow past your new seal as well.
  17. Marshall8hp

    Early Workshop and Parts manuals

    https://drive.google.com/drive/folders/1jNCKy3hKeJ_Iu8PA1jon0dFgMWU-9Yde?usp=sharing
  18. Marshall8hp

    Early Workshop and Parts manuals

    Here is a link for PDF copies of RR parts book 1970 - 1985 if it is of interest.
  19. Marshall8hp

    P38A Plenum foam filter replacement

    I replaced mine with the original material, however I wrapped it in fly screen first. Looks good and lasts well.
  20. Marshall8hp

    P38A excessively noisy exhaust

    Or the fan as a better alternative, then you at least have a water pump running.
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