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Unread 09-12-2016, 08:16 AM   #1
Join Date: Jun 2016
Location: london
Posts: 17
Default 120 prado knocking noise on cold start up.

Hi all, I have a 2003 120 series Toyota Prado.
I have noticed all of a sudden on cold start up a metal knocking noise.
It seems to be coming from the front lower part of the engine.
It will be fine for a week or two then all of a sudden it comes back.
I have read on older threads this seems to be a common problem. While a lot of people offer advice there has been no actual solution.
If anyone's got any knowledge of the fault it would be greatly appreciated to hear from you.

Tags: gia xe toyota altis 2016, hyundai hd72, xe toyota camry 2016

Last edited by adamjohnson; 09-13-2016 at 09:33 AM.
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Unread 09-18-2016, 11:06 PM   #2
Join Date: Jul 2013
Location: San Jose, CA
Posts: 85

What engine is this? 4.7 V8? 4.0 V6? Diesel? Usually when you get a metal knocking noise on startup it's usually piston slap which isn't anything to really worry about. It's possible it's something else, but usually that something else will stick around after startup.
2003 4runner SportEdition V8 4x4: Metaltech/Radflo 2.5" w. Resi Stage 6 suspension, LT275/70/17 Cooper AT3, RCI Skids, Shrockworks sliders, K&N filter, Reinforced front diff mount
2008 Lancer Evolution GSR: Muellerized Ohlins Road & Track coilovers, Whiteline Roll Center kit, K&N filter, Road Race Engineering stealth exhaust, tune ~400hp
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