(1972) BMW 2002 Tii

  1. B1N9S

    B1N9S Member

    Messages:
    308
    Location:
    Conwy, UK
    Still dealing with minor teething problems, since getting the car back OTR. A couple of fluid leaks, gearbox front seal (annoying) and a diff flange. But one major problem, is that I managed to blow the head gasket recently (long story), but my own fault.

    So, the car is going into a specialists, to have all the minor bugs sorted, including respraying the bonnet (which is not good), some other things that are bugging me and obviously the head gasket sorting and a tune up.

    Whilst, it's there, I'll crack on with the other project and get the engine fitted.

    Other than that, the car is a joy to drive, get's so much attention and drives great. Surprisingly fast. I love it.
     
    maxiboy and Parm like this.
  2. p0689109 Member

    Messages:
    1,603
    Location:
    stoke on trent,england
    Come on, tell us the story then!!
     
  3. B1N9S

    B1N9S Member

    Messages:
    308
    Location:
    Conwy, UK
    It's not exactly exciting. But, the mechanical cooling fan is really close to the radiator. One engine mount has a 'stopper', incase of forward movement, which has to be setup with a specific gap (3mm). I had neglected to do this properly when I dropped in the engine.

    So, I was out one day, driving the car like a loon and luckily, I was on my way home, not far from my house when I noticed the temperature was in the red. I managed to find somewhere to stop and the fan had cut through the bottom of the rad, causing a total fluid loss. So, I'm guessing the engine must have moved forward under braking ? I replaced the rad, with a spare I had, but I suspect the damage was done, the thermostat must have also been damaged, because the car then kept overheating.

    So, I bought a new thermostat, but the car was still getting hot when it was being pushed, until eventually, it gave up about 1 mile from home. I then managed to limp it home and did a compression test, with no compression on 3 and 4. I am only guessing it's the HG, I have been advised that, given the circumstances, it's the most likely scenario.
     
    stuvy and slim_boy_fat like this.
  4. slim_boy_fat

    slim_boy_fat Forum Supporter

    ^^ I've put a 'like', but of course I don't. :vsad: Why can't we have a 'very sorry to read this' emoticon? :(
     
    stuvy, Rannsachair, maxiboy and 2 others like this.
  5. 200272 Member

    Messages:
    18
    London
    What a great post.

    Shame about the HG failure.

    Have you got her back how’s the drive are you enjoying the 02 experience?
     
    B1N9S likes this.
  6. p0689109 Member

    Messages:
    1,603
    Location:
    stoke on trent,england
    At least you are honest and told us your mistake. I will bet everybody has done a similar self inflicted mistake. best of luck with the head gasket scenario in that there is no other fault, i.e warped head needing skim!
     
    B1N9S and stuvy like this.
  7. B1N9S

    B1N9S Member

    Messages:
    308
    Location:
    Conwy, UK
    Bit of an update on this. It WAS the HG and it was fixed. The head needed a skim, but it is back on the road. However, I have a low oil pressure problem, that I am now chasing. I just hope that's nothing too dramatic. The car runs fine, but the oil light keeps coming on at idle, once it warms up. Could be as simple as changing the oil for thicker stuff, or worst case, wrong size bearings. We'll see.

    Anyway. Here's a pic of the blown gasket !!!

    damage.jpg
     
    slim_boy_fat likes this.
  8. p0689109 Member

    Messages:
    1,603
    Location:
    stoke on trent,england
    What about the sender unit?
     
    slim_boy_fat likes this.
  9. B1N9S

    B1N9S Member

    Messages:
    308
    Location:
    Conwy, UK
    Tried 3 of them, the last one being a brand new OEM one from BMW. New Oil Pump too, I am just starting to strip the timing cover off this week, to check the oil pick up pipe, is connected ok to the block Then I'm out of ideas and it's off to a garage !!!
     
    123hotchef likes this.
  10. p0689109 Member

    Messages:
    1,603
    Location:
    stoke on trent,england
    Have you tried a thicker oil then?
     
  11. 123hotchef Member

    Messages:
    7,114
    Location:
    Kent
    did u check the pressure with a capilary gauge?
     
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