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valve clearance
Posted: Mon Jun 18, 2012 6:17 pm
by tassie wombat
Gday,can anyone give me the cold valve clearance for a 4.2tdi? Thanks.
Re: valve clearance
Posted: Tue Jun 19, 2012 3:36 pm
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.
Re: valve clearance
Posted: Tue Jun 19, 2012 5:41 pm
by tassie wombat
cheers mate,brought a dial indicator and magnetic base yesterday.
Re: valve clearance
Posted: Tue Jun 19, 2012 5:47 pm
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
Re: valve clearance
Posted: Tue Jun 19, 2012 6:10 pm
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
yeah,my gregorys book says .35mm hot but nothing cold.
Re: valve clearance
Posted: Tue Jun 19, 2012 8:24 pm
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.
Re: valve clearance
Posted: Tue Jun 19, 2012 9:27 pm
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
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
Re: valve clearance
Posted: Wed Jun 20, 2012 6:55 am
by turbo gu
I had a cold figure years ago but lost it
I knew someone that worked at nissan and he gave it too me but I lost contact with him
If you have the order to do them in its pretty quick to do them
Re: valve clearance
Posted: Thu Jun 21, 2012 9:15 pm
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.