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Heads up on exhaust manifold

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Goldnomad

Joined: Thu Mar 12, 2009 10:30 pm
Posts: 93
Location: Dunolly, Vic

Posted: Tue Oct 30, 2012 9:32 am

Hi folks,

For those of you with G16A or B motors (and maybe others) check your exhaust manifold for a crack between 3 and 4 cylinders where the two exhaust outlets join together.
You'll need to pull the heat shield off to see it.
I have a spare which is cracked and also checked the one on my car yesterday and it is also cracked.
As it is caste iron, I won't be welding it. It's a good excuse to fit extractors.

Gwagensteve

Joined: Thu Feb 26, 2009 10:30 pm
Posts: 13007
Location: Melbourne

Posted: Tue Oct 30, 2012 9:39 am

They are well known for that.

Steve

BlueSuzy

az supporter

Joined: Sun May 04, 2008 11:30 pm
Posts: 9716
Location: NSW
Vehicle: SJ51 LWB, SJ70 SWB

Posted: Tue Oct 30, 2012 9:40 am

You can weld it for a quick fix, but it will probably crack again.
Or
Use proper rods for cast iron for a more permanent fix

Some people don't like extractors because of the extra noise.

_________________

BlueSuzy wrote:

I'm over the G16b's.

krat

Joined: Wed Nov 09, 2011 3:55 am
Posts: 214
Location: Country Victoria
Vehicle: 1995 Vitara, SWB

Posted: Wed Oct 31, 2012 2:00 pm

Does this cracking have a long term effect on the motor, or is it just one of those annoying things under the bonnet that you know is not right.

Kev.

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