TOPIC:

I found this metal washer mounted on the bolt that locks the timimg chain tensioner.

It prevented the tip of the screw from contacting the tensioner stem, leaving it free.




I removed the washer, let the tensioner spring do its job and then locked it with the nut.

Is that step performed correct or does the tensioner have to be free of movement?

I am at a complete loss here. There is nothing in the Service Manual about any adjustment requirements of the timing chain tensioner. There are no specific instructions during the installation of the timing chain tensioner (Pg 61 in the manual) requiring any "adjustment" of the tensioner after installation.
I believe the only purpose of that bolt is to hold the tensioning rod in place as part of the tensioner assembly and has nothing to do with "locking" the tensioner rod in a certain adjusted position.

Kawboy wrote:

I am at a complete loss here. There is nothing in the Service Manual about any adjustment requirements of the timing chain tensioner. There are no specific instructions during the installation of the timing chain tensioner (Pg 61 in the manual) requiring any "adjustment" of the tensioner after installation.
I believe the only purpose of that bolt is to hold the tensioning rod in place as part of the tensioner assembly and has nothing to do with "locking" the tensioner rod in a certain adjusted position.

In the original camshaft timing chain tensioner (the one we replaced with another model), there is a mechanism that prevents recoil if the chain oscillates in a reduction.
In this tensioner there is no such mechanism, for that reason I think the screw must be fixed.

The part that you guys are calling a bolt in the parts manual has the description "Belt, Tensioner adjust part #92001-1155" and at first I thought the spelling "belt" was a misspelled "bolt" but I now believe they really meant to call it a belt. I think it's a poor choice of a word to describe what its intent is.
The flat section on the tensioner pin could be called the waist of the pin and I suppose one could put a belt on the waist to stop the pin from falling out.

The washer on the "belt" is described as a "washer , oil pump banjo" as I suppose that the washer is also used on a banjo fitting somewhere else and instead of giving this washer a specific name, they just referenced it by part # and the name associated with that part #. Banjo fitting washers are usually copper and will crush somewhat to seal the fitting.

I still stand firm on the thought that this bolt or belt is not meant to lock the pin in an adjusted position and only there to keep all the pieces of the tensioner together during installation or removal. There's nothing in the maintenance schedule telling you to check/adjust this tensioner and I believe that the tensioner is meant to be only a tensioner to keep the timing / water pump drive chain slack taken up.

 

Kawboy wrote:

I still stand firm on the thought that this bolt or belt is not meant to lock the pin in an adjusted position and only there to keep all the pieces of the tensioner together during installation or removal. There's nothing in the maintenance schedule telling you to check/adjust this tensioner and I believe that the tensioner is meant to be only a tensioner to keep the timing / water pump drive chain slack taken up.


 

In that case I have no choice but to clean and put the washer back in its place.