V8 landcruiser 70 series ticking noise in the engine

Submitted: Friday, Jan 15, 2016 at 10:06
ThreadID: 131365 Views:11259 Replies:7 FollowUps:1
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Hey there Iv recently developed a ticking noise coming from underneath my ute and it seems to be coming from around the turbo area and can't find any exhaust leaks. It's a very un sequenced tick like changes it's rythem all the time and only starts doing it when the engine gets hot any ideas ? Cheers
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Reply By: Notso - Friday, Jan 15, 2016 at 10:15

Friday, Jan 15, 2016 at 10:15
Sounds like it could be a exhaust gasket leak. They can sound fairly mechanical.

AnswerID: 594944

Reply By: Member - Rosco from way back - Friday, Jan 15, 2016 at 10:17

Friday, Jan 15, 2016 at 10:17
Most likely the injectors Josh. How many Ks? Mine developed a tinkling under the bonnet whilst still under warranty. The stealer checked the injectors and they were still within specs. Someone stole the bell as the noise went away and hasn't come back. If they need replacement they no longer cost a kidney.
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Reply By: Josh N1 - Friday, Jan 15, 2016 at 10:22

Friday, Jan 15, 2016 at 10:22
Thanks guys it's only got 56,000kms and can't hear the ticking from the top of the engine and Iv got a secondary fuel filter fitted so hopefully not an injector
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Follow Up By: Member - Rosco from way back - Friday, Jan 15, 2016 at 10:32

Friday, Jan 15, 2016 at 10:32
Take it back to the stealer to check.
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Reply By: HKB Electronics - Friday, Jan 15, 2016 at 10:27

Friday, Jan 15, 2016 at 10:27
Recently had a tapping noise on a KIA sportage, sounded just like tappet noise, persisted for months, tried putting engine flush through the motor (hydraulic lifters), different oil etc. Noise wasn't usually present when motor cold, but evident as soon as engine warmed up.

Ended up purchasing a few lifters from the US, about two weeks later the aircon died, due for a timing belt change anyway so I think will do the lot at the same time, remove hoses, dismantle the radiator shroud, off with the fan blades etc. Found the aircon belt had delaminated, the tapping was part of the belt hitting an aircon tube! Well at least didn't have to pull out the cams to replace lifters. Just a change of belts and sounds like a new engine:)

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AnswerID: 594950

Reply By: Ron N - Friday, Jan 15, 2016 at 11:31

Friday, Jan 15, 2016 at 11:31
Josh, it is more than likely a small crack in the exhaust manifold. Hard to find and hard to see, but a fairly common problem with the 'Cruisers.
Exhaust manifolds can get to dull red heat under load or driving at highway speed - and if you drive though any deep puddles, particularly at speed, they will crack when any amount of cold water hits them.

Cheers, Ron.
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Reply By: Josh N1 - Friday, Jan 15, 2016 at 11:46

Friday, Jan 15, 2016 at 11:46
Thanks guys for your knowledge appreciate it heaps !!!!!!
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Reply By: Member - Robert1660 - Friday, Jan 15, 2016 at 14:04

Friday, Jan 15, 2016 at 14:04
Hi Josh,
An excellent source of everything Landcruiser is the Landcruiser User Online Forum, LCOOL.org
http://www.lcool.org/forum/index.php This site covers all models including the 70 Series. Great source of information. Definitely worth a look.
Robert
Landcruiser 200 VX Diesel + Tvan Murranji

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