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valve clearance

Tech Talk for Nissan owners.

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Posts: 103
Joined: Tue Sep 02, 2008 9:47 pm
Location: tassie

valve clearance

Post by tassie wombat »

Gday,can anyone give me the cold valve clearance for a 4.2tdi? Thanks.
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Posts: 187
Joined: Sat Jan 26, 2008 10:46 am
Location: Australia

Re: valve clearance

Post by MikeH »

never seen cold clearances, it would be handy if you could.
they are always done hot that I've seen.
At a wild guess if it's a fresh engine set for about 0.7mm then warm it up and do them hot. then check again as the cam beds in.

if its an old engine remember they will wear into a dome and cup shape slightly so do it very slightly tight to allow for that, or use a dial gauge instead of a feeler gauge.
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Posts: 103
Joined: Tue Sep 02, 2008 9:47 pm
Location: tassie

Re: valve clearance

Post by tassie wombat »

cheers mate,brought a dial indicator and magnetic base yesterday.
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Joined: Thu Apr 24, 2008 7:31 pm
Location: Canberra

Re: valve clearance

Post by A.J. »

As far as I remember it was 0.035" HOT (That's in the manual).

Please correct me if I'm wrong, I can't find the paperwork right now :oops:
2001 GU Patrol DX wagon, TD42, Air Lockers, twin spare carrier, Barrett HF, 35" Treps, high pinion rear, Staun beadlocks, 60l Engel and more!
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Posts: 103
Joined: Tue Sep 02, 2008 9:47 pm
Location: tassie

Re: valve clearance

Post by tassie wombat »

A.J. wrote:As far as I remember it was 0.035" HOT (That's in the manual).

Please correct me if I'm wrong, I can't find the paperwork right now :oops:
yeah,my gregorys book says .35mm hot but nothing cold.
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Joined: Sun Feb 07, 2010 8:44 am
Location: Gold Coast

Re: valve clearance

Post by Judge »

Hay mate set them hot both intake and exhaust at 14thou, put in on top dead adjust half then turn over 360 and adjust the other half. hope this helps, but what is the go with the dail intercator gauge ?????? cheers Rick.
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Posts: 474
Joined: Thu Apr 24, 2008 7:31 pm
Location: Canberra

Re: valve clearance

Post by A.J. »

tassie wombat wrote:
A.J. wrote:As far as I remember it was 0.035" HOT (That's in the manual).

Please correct me if I'm wrong, I can't find the paperwork right now :oops:
yeah,my gregorys book says .35mm hot but nothing cold.
I think you're right 0.35mm or something along those lines, in my memory I got inches and cm all mixed up ;)
2001 GU Patrol DX wagon, TD42, Air Lockers, twin spare carrier, Barrett HF, 35" Treps, high pinion rear, Staun beadlocks, 60l Engel and more!
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Joined: Tue Sep 23, 2003 10:17 pm
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Re: valve clearance

Post by turbo gu »

I had a cold figure years ago but lost it :bad-words:
I knew someone that worked at nissan and he gave it too me but I lost contact with him :roll:
If you have the order to do them in its pretty quick to do them
GU 42td wagon for touring
GU ute for the fun stuff
http://www.allterrain4wd.org.au/
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Posts: 103
Joined: Tue Sep 02, 2008 9:47 pm
Location: tassie

Re: valve clearance

Post by tassie wombat »

Judge wrote:Hay mate set them hot both intake and exhaust at 14thou, put in on top dead adjust half then turn over 360 and adjust the other half. hope this helps, but what is the go with the dail intercator gauge ?????? cheers Rick.
rather than using feeler gauges put the dial indicator onto the top of the rocker arm (near where it touchs the top of the valve) move the rocker up or down and read what the gauge says.
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