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When I brought the car it was knocking so I.

Tiny
ANONYMOUS
  • MEMBER
  • 2001 VAUXHALL ASTRA
  • 99,000 MILES
Hi when I brought the car it was knocking so I took the head off and it had a smashed outlet valve num 1 piston so I replaced the inlet and out let valves and the knocking noise is still there can you help please thanks sean
Saturday, March 30th, 2013 AT 2:00 PM

1 Reply

Tiny
FREEMBA
  • MECHANIC
  • 1,152 POSTS
Can you identify whether the noise is coming from the top half or btoom half of the engiine?

Also, when you had the cylinder head removed, did you see any signs that the piston in that cylinder had made contact with the valve [rendering it in the smashed condition you referred to]?
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Saturday, March 30th, 2013 AT 2:41 PM

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