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Location:
Canning Vale WA
Registered:
November 2004
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 horrible engine noise
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Mon, 17 October 2005 00:58
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hey ppl, was driving the other day (not hard) when my car blew a huge puff of black smoke, started misfiring hard and got a horrid metal on metal sort of banging noise, like a valve hitting piston. i stopped instantly and had it towed home. the noise is top end and only intermittent, but the missing is continuous. any help please..
engine is 7m-gte.. recently (night before) had to adjust timing belt coz it slipped a tooth. after this car ran great for a day then next night this happened
was told it could be that the belt slipped again and its valve on piston, but i thought 7m's are non-interfearence motors??
is this true?? can it be a valve?? what else could it be??
cheers people, quick response would be appreciated as i need to fix it asap..
cheers
Stomps
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Location:
Canberra
Registered:
September 2005
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Re: horrible engine noise
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Mon, 17 October 2005 01:25
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i think your problems are bigger than you hope 
you readjusted your timing belt after it jumped a tooth? 
if i was you i would have put on a new belt and tensioner after
that had occured,
id take the head of to check the damage done, but hope fully
not to much
ill pray for ya
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Location:
Canning Vale WA
Registered:
November 2004
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Re: horrible engine noise
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Mon, 17 October 2005 01:30
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yeah, probably should have done that, but the belt was new and the only reason it slipped coz we didn't really put it on properly, still i should have taken more care,
what do you think the noise could be??
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Location:
Adelaide, drift capital
Registered:
May 2004
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Re: horrible engine noise
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Mon, 17 October 2005 02:15
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They're are non interference so it couldnt be valve on piston.
Maybe a bearing? Knocking sounds from an engine are never good and almost always require stripping down to sort the problem.
Good luck!
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: horrible engine noise
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Mon, 17 October 2005 02:51
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valve spring/retainer failure? valve sticking?
at least pull rocker cover off and investigate that far first.. then report back 
but now sounds like a good time to strip motor bare and check for farkededness..
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Location:
Canberra
Registered:
October 2004
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Re: horrible engine noise
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Mon, 17 October 2005 03:06
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BHG?
- sorry i just wanted to be involved.... 
you are either 1 of 2 types of people, those who get engine noises and are always just something silly and cheap to fix.. or the kind of person that gets engine noises like me.
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