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250 Tapping on cold start

Discussion in 'Mechanical - Engine, Gearbox, Exhaust etc' started by Charlie Howard, Jul 21, 2018.

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  1. Jul 21, 2018 #1
    Charlie Howard

    Charlie Howard RSM Club Member

    Only on cold starts and goes way after 30 seconds I'd say. Get a tapping sound. I've heard it's due to oil from other posts but I use Petronas 5W-40 3000 AV, should I change to something like Castrol Edge or Shell Ultra? Is this doing any damage?

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  3. Jul 21, 2018 #2
    Mikeyjp

    Mikeyjp

    Dephaser on the way out
     
  4. Jul 21, 2018 #3
    Charlie Howard

    Charlie Howard RSM Club Member

    What's the dephaser?

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  5. Jul 21, 2018 #4
    Mikeyjp

    Mikeyjp

    It's expensive if it goes wrong :tongueout:, will need cam belt change ect
     
  6. Jul 21, 2018 #5
    Charlie Howard

    Charlie Howard RSM Club Member

    Oh well the cars only done 37k miles and had it changed at 24k so I don't think it's that? Been doing it for months.
    I've heard it's tappets or oil?

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  7. Jul 21, 2018 #6
    Mikeyjp

    Mikeyjp

    Do you have a receipt for it being done, it normally only gets changed if you request it
     
  8. Jul 21, 2018 #7
    Charlie Howard

    Charlie Howard RSM Club Member

    Yeah have the receipt, owner was very anal about stuff and kept on top of stuff.
    Doesn't Jamie have knowledge of this?

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  9. Jul 21, 2018 #8
    Charlie Howard

    Charlie Howard RSM Club Member

    Just double checked, 2016/24k miles it was changed and on 37k now.

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  10. Jul 21, 2018 #9
    jimmy

    jimmy

    Change the oil for some Titan race pro s with Ester properties. That will sort your cold tapping.
     
  11. Jul 21, 2018 #10
    Charlie Howard

    Charlie Howard RSM Club Member

    Is the tapping doing any damage? Because if not I'll wait for 6 months when my change is due, oil is pretty new.

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  12. Jul 21, 2018 #11
    -Jamie-

    -Jamie- RSM Moderator

    Dephaser solenoid, Try changing that first. Few have had this issue and changing the solenoid sorts it.

    Its located next to Cyl 1 coilpack.
     
  13. Jul 21, 2018 #12
    Charlie Howard

    Charlie Howard RSM Club Member

    Ooo that's quite expensive, I'll give it a go next month.
    So any damage being done so you think or just an annoyance.

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  14. Jul 22, 2018 #13
    -Jamie-

    -Jamie- RSM Moderator

    Its not that expensive lol.
    Its just noisy, Id imagine it would eventually kill something though
     
  15. Jul 22, 2018 #14
    Charlie Howard

    Charlie Howard RSM Club Member

    Not overly expensive but more than I'd thought, I'll give it a go. So you reckon something like Castrol or Shell would be better than Petronas? I thought I picked a good oil as that's what KTec suggest.

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  16. Jul 22, 2018 #15
    Mikeyjp

    Mikeyjp

    I am on shell helix, it is renault spec and have no problems
     
  17. Jul 22, 2018 #16
    Charlie Howard

    Charlie Howard RSM Club Member

    Might try that first as it's cheaper then if not I'll go Race

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  18. Jul 22, 2018 #17
    -Jamie-

    -Jamie- RSM Moderator

    Renault spec Elf oil is more than upto the job and is cheap as well.
     
  19. Jul 22, 2018 #18
    Charlie Howard

    Charlie Howard RSM Club Member

    Might have a look at that then, I'll try oil first then I'll change that sensor.

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  20. Jul 22, 2018 #19
    Charlie Howard

    Charlie Howard RSM Club Member

  21. Jul 22, 2018 #20
    Gavin.

    Gavin. RSM Admin

    Mine taps on cold start, it had a new dephaser in December too. oIt goes when it's warm so doesn't worry me much
     
  22. Jul 22, 2018 #21
    Charlie Howard

    Charlie Howard RSM Club Member

    I just worry after my 225 blew up with what seemed like a small issue.

    I'll try oil but me and my mate checked over it all today and he told me don't worry it's fine even if it is the tappets which it probably is.

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  23. Jul 23, 2018 #22
    Charlie Howard

    Charlie Howard RSM Club Member

    Is that oil definitely correct before I buy it? Seems there are slightly different variants of it.
     
  24. Jul 23, 2018 #23
    Mikeyjp

    Mikeyjp

    Yeah it's 5/40 all good
     
  25. Jul 23, 2018 #24
    Charlie Howard

    Charlie Howard RSM Club Member

    Cool will go for it.
     
  26. Jul 24, 2018 #25
    jimmy

    jimmy

    The solenoid can be had for a lot cheaper then Renault charge. Google Search pn:
    8200642783
    A quick search shows it’s a Delphi unit and it’s about £50
     
  27. Jul 24, 2018 #26
    jimmy

    jimmy

    Just go race mate. The shell stuff is just standard oil. You need ester oil.
     
  28. Jul 24, 2018 #27
    Charlie Howard

    Charlie Howard RSM Club Member

    Is the Delphi unit any good though?
     
  29. Jul 24, 2018 #28
    jimmy

    jimmy

    The original one in your car is a Delphi I believe
     
  30. Jul 24, 2018 #29
    Charlie Howard

    Charlie Howard RSM Club Member

    Oh didn't know that, thanks!
     
  31. Jul 24, 2018 #30
    Charlie Howard

    Charlie Howard RSM Club Member

    You for a link? I can't find any under 80
     
  32. Jul 24, 2018 #31
    Charlie Howard

    Charlie Howard RSM Club Member

    So before I get one, is the thing next to coil 1 held in by the same bolt?
     
  33. Jul 25, 2018 #32
    bobsan

    bobsan

  34. Jul 25, 2018 #33
    Mikeyjp

    Mikeyjp

    Renault disagree with you, but what do they know
     
  35. Jul 25, 2018 #34
    Charlie Howard

    Charlie Howard RSM Club Member

    Yeah seems like conflicting opinions here, some say the more expensive ester oil is better whereas some say just use what Renault say. Not sure.

    Anyway, is this the part?
    S9ycvXz.jpg
    sJIcaOP.jpg
     
  36. Jul 25, 2018 #35
    JlllCK J

    JlllCK J

    Renault spec oil is completely safe and cheap. You don't need the race oil. Only time I'd get race oil is if the car was on track a lot, in which case it will work better than standard. Shell helix or Elf (fully synth) is completely okay. I personally use Shell Helix but both are approved and will cause no issues providing you don't initially overfill like I did
     
  37. Jul 25, 2018 #36
    Charlie Howard

    Charlie Howard RSM Club Member

    What's the issue with Petronas then? It's fully synthetic and 5W-40, not like it's a cheap oil. Just seems like Shell/Castrol/Elf will be the same.
     
  38. Jul 25, 2018 #37
    JlllCK J

    JlllCK J

    To my knowledge, yes they should work pretty much the same as long as viscosity etc are the same. Not sure if the better brands put in less additives or more, which would explain the differences (if any). Personally I'd always go with manufacturers recommended ones as they know more about the engine than we do (so Shell or Elf), unless it was a dedicated track car where it would be better to change.
     
  39. Jul 25, 2018 #38
    Charlie Howard

    Charlie Howard RSM Club Member

    Hmm okay well worth a try.
    Is that the correct part in the photo above anyone?
     
  40. Jul 25, 2018 #39
    jimmy

    jimmy

    Yes the part above is the dephaser solenoid. The standard oil is perfectly fine, but the race oil will help better with the cold tap
     
  41. Jul 25, 2018 #40
    Charlie Howard

    Charlie Howard RSM Club Member

    Okay thanks mate
     
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