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Mark Adams

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Everything posted by Mark Adams

  1. I decided that I would obtain another cylinder head as I do not trust the one I had so I ordered a second hand head and had it skimmed and tested just got it back so I decided to check the Valve head stand down (as adviced last time). The thicker feeler gauge I can get in all the valves is .6mm some will take slighly thicker but most are just .6 Does anyone know what it should be? Is this something the engineering works should check when they skim the head? Mark.
  2. Hi Jim, I fitted the head myself and yes the bolts were torqued correctly, I first torqued them and then did the two stages using an angle gauge and then a final stage on the largest bolts also using the angle gauge. I used the RAVE manual as a reference. Something else has caused the overheating and not a problem with the head bolts (not sure what as yet), I will investigate that when the car is up and running again. Mark.
  3. I purchase a second hand wiper motor for my discovery but when it arrived I relised that I ordered the wrong one. I need an AMR3872 but ordered an AMR1039, I understand that these are the same motor just different wiring. Does anyone know how to wire the one I have to work with my car. Mark.
  4. I was told that the car was running until the driver noticed the temp gauge off the scale and then pulled over. I did the quick check with the ruler and noticed that the middle of the head had a slight gap against the ruler, the rest of the head looked ok, it has obviously warped slightly.
  5. Hi Les, If you do not think that a cracked head would normally cause water to enter the cylinders, then do you have any idea what would normally cause this? I think I am going to check the head as you mention and then refit it with a new gasket to see what happens.
  6. Les, Thank you for the reply, I do understand what you are saying about getting the head tested again but I am reluctant to spend about £60 for the testing and then having to buy another head anyway. The engineering works charges £60 for testing and £39 for skimming/flatness testing. Is there any other way of doing any basic testing? Mark.
  7. Well just when I was happy that all was well, it all went very horribly wrong. I used the car for a while and all seemed well, I did some motorway driving and town driving and everything seemed fine. I then decided to let a friend use the car for a day to move some pigs as his 4x4 was off the road. I asked him to take it easy but unfortunatly I received a call later in the day saying the car had overheaded and the RAC are towing it back. It seems worse this time as the car does not even start, I have just removed the head (Again) and found cylinders 2,3 and 4 are full of water. I am unfortunatly sure that it is not just the gasket this time but I am not sure if it is the head or the block that is damaged (or maybe both). Any way or checking which has fried? Mark.
  8. Range Rover Blues, Thank you for explaining that I had not considered that but it is obvious if you think about it. Mark.
  9. I did mention the problem about pistons hitting valves to the engineering company that resurfaced the head as I wanted to know if I needed to get a different gasket. They told me that it was non-sense and I should always use the same thickness gasket. Anyway the problem is now solves and the car starts, the problem turned out to be the clearances on the rockers, despite being reassembled in the same place they were completly out of adjustment. The car starts fine, I have noticed a hissing noise coming from the engine now so I will need to investigate that next (the problems continue). The pressurising of the header tank has also stopped, so that problem is solved. Mark.
  10. The cam shaft is definatly turning as I have removed the rocker cover a couple of times and the rockers have moved position. The Cam belt was only changed about 5000 miles ago so I am fairly confident about its reliability. Mark
  11. The timing should not have changed as the timing belt is not touched to remove and refit the head. Do you mean the valve clearances? Mark.
  12. Hi, I have recently removed the head on my 300Tdi Discovery due to the header tank pressurising. I had the head skimmed and pressure tested and have now replaced the head with a new 3 hole gasket (The same as the one that was removed), new bolts and new gasket kit (manifold etc). I have tried starting it for the first time and it makes a strange noise on turning over and does not start, on each rev it tries to start but instantly cuts out. If anyone want to hear what it sounds like I can e-mail them a sound file as this web site does not allow me to attach it. Mark.
  13. Hi, I also have a problem with a winch, when the control is operated a loud click is heard (I guess from the solenoid) but no movement from the winch. I have tried the tests for operating the motor independantly from the solenoid and I still have no movement. I have now also tried the resistance tests and all the test give the reading as specified, the only strange on is test 3 which gives Open circuit with the probes one way but closed circuit when I reverse the polarity of the probes (almosts like a diode is between A and F1 or F2) Is this right? Any idea what could be wrong? Mark.
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