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Location:
Ipswich
Registered:
September 2002
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 Diesel like sound when cold MX83
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Sun, 15 September 2002 07:19
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Gday all,
Am a newbie to this forum..thanks for any/all help/ideas.
I bought a 92 MX83 Grande in Nov99 with 72000km from Toyota dealer. Elderly gent ill, didn't drive it for 18 months...good I thought. Started burning oil 1 ltr 3000km. Took it to Toyota, they repaired it, stuck ring in piston. Re ringed, bearings, head reconditioned ($3000) at 116000km. Service book mostly up to date before my purchase. 122000km now sounds like a diesel when cold, mostly fine when warm but occasionly has a tappet like sound when hot. Toyota say that they reckon it is a cracked piston but will not know until pulled apart, same money again and that warrantly only valid if it a part they fixed, funnily the pistons hold the rings. It seems strange to me that the piston would all of a sudden get cracked. This sucks. Any ideas
Mal
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Location:
Ipswich
Registered:
September 2002
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I supported Toymods
Location:
Perth WA
Registered:
May 2002
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Re: Diesel like sound when cold MX83
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Mon, 16 September 2002 03:55
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Detonation at part throttle when cold?
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Location:
Sydney
Registered:
May 2002
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Re: Diesel like sound when cold MX83
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Mon, 16 September 2002 04:02
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Yeh that sux man...
Umm.. To me.. a freind had a 7m in a supra.. Sounds EXACTLY the same as what your getting.. Sounds to me like the big end bearing is gone. Big and costly job to fix. I would seriously recommend buying an import motor and fitting it.
Friend just got his motor for $750, All we did was change the loom over to the new motor.. Ready to drop back in.. Problem solved hopefully..
But yeh.. hehhe funny you said sounds deisel.. cause i used to call his the Diesel Supra! 
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Location:
Brisbane
Registered:
May 2002
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Re: Diesel like sound when cold MX83
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Mon, 16 September 2002 04:20
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Yep, M series engines are good at doing this sort of thing. I had it happen to me twice. 
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Location:
Canberra
Registered:
May 2002
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Re: Diesel like sound when cold MX83
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Mon, 16 September 2002 06:43
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Mine's rough at startup, I baby it until it's warm, and it goes a lot quieter, however free revving the engine sounds fricking noisy...The unfortunate thing is that the mechanic told me it was probably the big end too...although my engine has done 340,000km/s...only a head recondition and head gasket of course...
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Location:
Ipswich
Registered:
September 2002
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Re: Diesel like sound when cold MX83
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Mon, 16 September 2002 08:46
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Thanks for the information. If it is the big end bearing, how long will it go for before finally collapsing. Interestingly the bearings were replaced at rebuild (supposedly). If 7M engines are famous for this type of thing, is there a better alternative engine. thanks Mal
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Location:
Melbourne
Registered:
May 2002
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Re: Diesel like sound when cold MX83
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Mon, 16 September 2002 08:53
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| mal sempf wrote on Mon, 16 September 2002 18:46 |
If 7M engines are famous for this type of thing, is there a better alternative engine. thanks Mal
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1JZ-GE 2.5l Twin Cam EFi inline 6
2JZ-GE 3.0l Twin Cam EFi inline 6
1UZ-FE 4.0l Quad Cam EFi vee 8
1JZ-GTE 2.5l Twin Cam Twin Turbo EFi inline 6
2JZ-GTE 3.0l Twin Cam Twin Turbo EFi inline 6
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Registered:
May 2002
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Re: Diesel like sound when cold MX83
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Mon, 16 September 2002 08:55
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Of course there is...a 1UZ-FE!
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Location:
Brisbane Qld
Registered:
May 2002
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Location:
Melbourne
Registered:
May 2002
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Re: Diesel like sound when cold MX83
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Mon, 16 September 2002 14:51
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| stevevp wrote on Mon, 16 September 2002 20:24 |
Biased99 and Inertia, are you guys swap happy or what! 
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Not really, the man asked a valid questions, and I gave what I thought was a valid answer 
Mmmm 1UZ-FE 
Opps, I mean, only if it is necessary!
I have stinged on a 4AG conversion in my AE92 for ages and it has cost me or my dad over 3.5g's in fixin the farkin thing up, now I am in a better financial position, if it screws up again, something nice an reliable is going it.
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Registered:
May 2002
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Re: Diesel like sound when cold MX83
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Tue, 17 September 2002 04:25
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In all honesty, I'm only promoting the 1UZ because I'm doing the same thing into the same car...and of course it's a lot more reliable than the 7M!
As for being swap-happy, this is definitely the last time!
(But it will be worth it when finished!!)
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Location:
Brisbane Qld
Registered:
May 2002
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 Re: Diesel like sound when cold MX83
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Tue, 17 September 2002 10:06
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Don't forget photos when you are finished.
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