My Willys 3A and 3B Community

TECH FAQ SECTIONS => Engine compartment => Topic started by: Vincent on June 03, 2020, 07:28:29 PM

Title: special tapered manifold washers
Post by: Vincent on June 03, 2020, 07:28:29 PM
I recently came across a post on Facebook about installing the manifolds, and someone said "don't forget the tapered washers for the manifold studs". I could not find any mention of these in the service or parts manuals. I searched most website parts places and found them only at KaiserWillys. They are called "Exhaust Manifold special tapered washer" for the 4-134 L engine.  This is the first I have heard of these, and needless to say, I did not use them.  Does anybody else know about these and their purpose?
Title: Re: special tapered manifold washers
Post by: Bob W on June 03, 2020, 08:00:23 PM
The shape of the washer helps to compensate for the possibility of different height manifold clamping surfaces from one side to the other.
Title: Re: special tapered manifold washers
Post by: SteveKfl on June 04, 2020, 08:21:51 AM
This is what I inherited from a PO that didn't use them and tried to "fix it"???  There were air gaps in the cracks that made it pop at idle.   Then are "my fix" pics.  I would suggest using new exhaust AND intake gaskets and checking surface matchups 'before' cranking down on those ears.