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  1. Montyjohn

    P38A EAS Inlet Valve Stuck or leak?

    Thanks, worth pointing out that the fault will usually return 20 minutes into a journey. Never at the beginning. I assume this means it's not due to taking too long to rise. Unless it has a 20 minute allotted time to rise, but this doesn't sound likely.
  2. Montyjohn

    P38A EAS Inlet Valve Stuck or leak?

    My P38 has been playing a game of, I see you fixed this issue, here's another one for you... Suprise.... Anyway, I now keep getting EAS Fault messages on the dashboard. Code using RSW tool is (Inltet Valve Stuck open). If I clear it, it will work fine for a couple of days and the fault will...
  3. Montyjohn

    P38A Alternative Thermostat - V8

    I figured you were trying to say "on the mistresses bike"
  4. Montyjohn

    P38A Alternative Thermostat - V8

    Got my old thermostat off today and I can confirm that the old one does fully open and it fully shuts off the top 18mm inlet. It also opens quicker than the new one so I'm going to refit the old one and send the new one back. Despite looking crusty on the outside it was very clean inside so...
  5. Montyjohn

    P38A Alternative Thermostat - V8

    I'm worried that when I fit this thermostat, when the engine is hot, I won't get as much flow going through the radiator as there is a large amount bypassing as it's unrestricted.
  6. Montyjohn

    P38A Alternative Thermostat - V8

    This is where I think my new Thermostat isn't doing what it's supposed to do. Unless, boiling it at 100 degrees isn't fully opening the thermostat.
  7. Montyjohn

    P38A Alternative Thermostat - V8

    Drilling the thermostat won't prevent bypass however, which is my concern.
  8. Montyjohn

    P38A Alternative Thermostat - V8

    The thermostat I have seals the rad flow pipe really well. When closed, nothing gets through. I'll get the old one off this weekend and see if that one seals the bypass when the thermostat is open.
  9. Montyjohn

    P38A Alternative Thermostat - V8

    I think I'm not explaining myself properly. The top three pipes are physically connected, I just assumed that an open thermostat would block the bypass hose off (top middle one). But on the one that just arrived today doesn't do this, which means water will still bypass, as well as go through...
  10. Montyjohn

    P38A Alternative Thermostat - V8

    I do believe I no longer have overheating issues, however I would feel more comfortable knowing I had a larger buffer in my engine temperature. This engine seems very sensitive to any cooling defect and I wonder if it's because it runs so hot as standard.
  11. Montyjohn

    P38A Alternative Thermostat - V8

    Are you sure the thermostat is supposed to operate this way. I assumed it would, but I can confirm that if I heat my new one that arrived today, the top bypass inlet does not close off and remains open.
  12. Montyjohn

    P38A Alternative Thermostat - V8

    After my recent overheating issue, one the part I'm changing just in case is the thermostat. I've just gone for an aftermarket one. I was disappointed that I couldn't get one that operates at a lower temperature without buying something like this aluminium cased one for £400. Also it's out of...
  13. Montyjohn

    P38A Head Gasket Probably Blown - Advice

    The steel seal stuff that others have mentioned has a similar consistency to water, and only cures if exposed to hot gases, so if it gets into narrow passages it shouldn't react or cause any blockages. I've got a vacuum and pressure testing kit arriving today, so I'm going to see if I can find...
  14. Montyjohn

    P38A Head Gasket Probably Blown - Advice

    Yes it was low speed. Probably 25mph up a slight hill (a lot of 20mph zones around me). It was also only about half a mile from a 5 minute stop where I picked up my kid form nursery, so the engine shouldn't have been that hot to start with (unless it overheated on the way to nursery and I didn't...
  15. Montyjohn

    P38A Head Gasket Probably Blown - Advice

    I checked this the other day and it was clear.
  16. Montyjohn

    P38A Head Gasket Probably Blown - Advice

    This may be true, but if I do have the heads off, I was as well go a step further and get the rear main seal done. Thanks.
  17. Montyjohn

    P38A Head Gasket Probably Blown - Advice

    Ok, so I think my head gasket on my MY2000 P38 4.0 V8 has gone. :( I've had the car about a year, and in that time, the temp needle has never gone beyond half way. I noticed about 2 weeks ago my expansion tank was almost empty. I assumed I just hadn't been checking it, so topped it up and...
  18. Montyjohn

    P38A Making sense of HVAC error codes

    COuldn't find it in CPC, but Farnell seem to have them. https://uk.farnell.com/amphenol-piher-sensorscontrols/pt15nv02-103a2020-pm-e-s/trimmer-10k-0-25w-1turn/dp/3128536 Notes so I don't forget I think V02 is the correct mount E option is the long life option It's an N rotor as G is on 11 weeks...
  19. Montyjohn

    P38A Making sense of HVAC error codes

    Might buy a handful of these potentiometers just have handy when I start pulling things apart. https://www.conrad.com/p/piher-pt15nv02-103a2020-s-trimmer-linear-025-w-10-k-270-1-pcs-432024 I noticed here: http://www.stockholmviews.com/p38/index.html#hevac it mentions that there are two...
  20. Montyjohn

    P38A Making sense of HVAC error codes

    I get the book symbol often on my HVAC. If I leave both sides in LO, then the book doesn't appear. I can change the distribution buttons with no issue. When the book symbol comes on, it disappears after a restart, so I believe the motors are all winding back to their start position correctly...
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