Re: 2-4kq's stumbling when cold

[Todd Phenneger <phen9461@uidaho.edu>]

On Tue, 2 Feb 1999, Phil Payne wrote:

> They oftem come off when injectors are pulled past hardened seals.  One
> part of the 'injector pulling' task is to check that the seat and lower
> shroud are clear.  These days, I routinely wind out the seat after I've
> pulled the injector just to check.  The seats on the MB engine are 13mm
> Allen - I've ground the shank of a FACOM D.107-13 so it's an _exact_ fit
> in the upper part of the seat.  I think the 4k and WR/WX engines are
> 12mm.

	Yes, I think my 84' 4kq is 12mm at least.

> At least the later engines always have a lower shroud (035 133 554) that
> catches the injector tip if it drops off.  I think the three small dots
> in the side walls of the injector, near the end, are there to indicate
> how far the tip should be pressed on.

	I have never dont this part so I wouldn't know.  Thanks for the
info though.

> The Viton seals are best put on, IME, using a pair of 'stork' pliers.
> Just slip the seal onto the nose of the (closed) pliers, force the
> jaws open a little, and jam your forearm between the handles.  Then just
> work the tip of the injector through the (stretched) seal.  Takes a
> couple of seconds per injector.

	Hmm, I might just try that when I do the seals on the turbo motor
before I put it in. 
	L8R

	Todd