MY CAR IS TAPPING OR KNOCKING

  • Tiny
  • #82jy2002
  • 2005 Pontiac Grand Prix
  • 6 CYL
  • 2WD
  • automatic
  • 115,750 miles

When my car is on and running while in park it be tapping or knocking could you tell me what you think it is my dad said it might be a lifter in the motor but hes not sure.

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Tuesday, January 25th, 2011 AT 8:03 PM

4 Replies

  • Tiny
  • rasmataz
  • Member

If the noise is coming from the upper end of the engine -could be the lifters, might want to open it up and investigate

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Tuesday, January 25th, 2011 AT 8:07 PM
  • Tiny
  • #82jy2002
  • Member

DO THEY HAVE ANYTHING I CAN BUY TO STOP THE TAPPING OR KNOCKING R MAKE THE LIFTER STOP STICKING

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Tuesday, January 25th, 2011 AT 8:20 PM
  • Tiny
  • rasmataz
  • Member

You can try engine flush and Seafoam on it and see what happens, and also check the oil pressure -

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Tuesday, January 25th, 2011 AT 8:32 PM
  • Tiny
  • #82jy2002
  • Member

So do I just pour those items in the engine and what about lucas do u think its good to use and will they stop my car from tapping and knocking and stop making the lifter stop sticking

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Tuesday, January 25th, 2011 AT 8:38 PM

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