Valves re-tightening?

[Smile]

OK, two questions.
1. How often, if ever, should you adjust your valves?
2. How easy is it to remove the airintake "thing" over the valves cover? Do i need to by new sealing for this thing?
(I know I need to buy I new valves cover sealing!)

Thank you,
/Smile

[todwic]

1. Never, we have hydraulic lifters
2. The plenum? 4 tuby thing? Pretty easy to remove, and yes, there are 4 gaskets.

[Smile]

Hmmm, OK, also the 924?
I just asking because in the haynes it says that/how you can do it, but its not much about it, which is a little funny!
So you might be right!

[Smile]

What is this: ?
22 Cylinder head - adjusting valve clearances
1 When the engine is completely rebuilt and the timing belt installed,
the clearance of the valves and tappets may be adjusted.
2 Remove the camshaft cover nuts and the camshaft cover.
3 Turn the engine via the bolt head of the oil pump to bring the first cylinder
to top dead center. The valves are arranged with the number 1 cylinder intake valve
at the front of the engine, followed by the number 1 cylinder exhaust valve, and the
valves are so ordered in the same manner, intake ahead of exhaust.
4 Using Special Tool US 8005 or Special tool 2038 (a 3 mm Allen style hex wrench may be used),
adjust the intake valve clearances to 0.10 mm (0.004 in) and the exhaust valves clearances to
0.40 mm (0.016 in) as follows:
5 With the piston at top dead center (both valves closed) Insert the leaves of the feeler
gauge into the space between the top of the tappet and the camshaft lobe. The feeler gauge
must be set for the desired clearance. Insert the adjusting tool into the hole in the tappet
and engage the screw. Turning the tappet adjusting screw one turn will add or subtract
0.05 mm (0.002 in) of clearance. Clear- ance has been properly adjusted when the leaves of
the feeler gauge may be pushed and pulled through the space. Perforrn this adjusting task for
each cylinder from front to back in the engine.


Since I'm not so good in English, maybe this is something else!?

[1.2gees]

Your 924 turbo does have adjustible valves, and that looks like the correct procedure to adjust them.

We don't get much traffic from 924 owners on this board, so perhaps todwic assumed you had a 944. The 944 has self adjusting valves. Also known as hydrolic lifters.
Ahmet

[todwic]

aye, made an ass of me. sorry, smile. If you'll put your make and model on you sig line, then we'll know what you have and I can shut the hell up.

[Smile]

I have done that, havent I ? or what do you mean?
Where should I place it?

[todwic]

nm, I'm an idiot

[Smile]

Any one who has an 924/931 or knows anyway, should you adjust your valves now or then or am I just trying to be "over protected"

How often should you?

[ae1969]

I am trying to remember............

I thought I checked them every 30,000 miles (primarily cause I didn't drive it as much so that would last a good 2-3 years)

It doesn't hurt to check them often...... as I recall they had different color screws that you would change to as the old ones got adjusted to the max.

Sorry ..its been a while since I worked on that 2L.



P.S as I recall the haynes manual explains it really well.........I know I have it somewhere

[Roger Hall]

Mine is a 924 and the PM is every 15k.

[Smile]

ae1969 or Roger or any one else,
I took away my valve cover yesterday and after much work, got the first cylinder in the "dead point". So I checked the clearence on the two valves and I wasent really satisfied with any of them. In the Haynes book it says;
ONE turn on the screw will adjust the valve Up/down 0.05mm.
So I started to turn on one screw, but this was VERY hard, as it seems the screw is "feather" hold in a funny way. As I turned it for a qaurter of a turn. the screw turned back to the original location, without me doing any thing
Can any one explain how these screws work?

I didn't dare to test a complete turn!!!

Thank you
/Smile

[Roger Hall]

I have never done this job so do not consider this the voice of experience. My understanding is that the adjustment inserts are available in different sizes. When you get to the point where there is no more adjustment you remove the insert and replace it with the next larger size.