The 17mm Allen Wrench might have walked in from Canada.
You accomplished a lot of work.
Jim Knox, 91 Dak
----- Original Message -----
From: "David Gersic" <info@zaccaria-pinball.com>
To: <dakota-truck@dakota-truck.net>
Sent: Wednesday, April 11, 2007 10:48 AM
Subject: DML: Differential fluid changes
>
> My '01 is about to turn 100K miles (bought about a year ago at 96K), and I
> have no idea when, or if, any of the fluids had ever been changed, so I
> spent
> yesterday in the garage draining and replacing the oil in the engine,
> trans,
> transfer case, and both diffs. I hadn't done diffs before. Back one was
> pretty easy. Front one was a bit of a pain due to lack of clearance around
> the steering, but I got everything buttoned up again ok.
>
> On the ring gears, I compared the wear pattern to pictures, and it looks
> good
> to me, but wanted to see if there was anything here to be concerned about.
> Do
> these look good:
> http://www.zaccaria-pinball.com/temp/rear-diff-wear-1.jpg
> http://www.zaccaria-pinball.com/temp/rear-diff-wear-2.jpg
> http://www.zaccaria-pinball.com/temp/front-diff-wear.jpg
>
> Also, on the rear diff (8.25" 3.55 Trac-Loc), I noticed this:
> http://www.zaccaria-pinball.com/temp/rear-diff-q.jpg
> imperfection in the face of one gear tooth. Is that going to be a problem,
> or
> is it ok?
>
> In case it's useful information for somebody for the future, the transfer
> case
> drain and fill plugs need a 10mm Allen wrench to remove and install, and
> the
> transmission drain and fill plugs need a 17mm Allen wrench. I got lucky
> and
> found a 17mm Allen at my local hardware store. I have no idea why they
> have
> those in stock.
>
> Refillling the rear diff was pretty easy, using one of those oil change
> valve
> things with about a foot of clear plastic tubing on them that screws on to
> the top of an oil bottle. I used that on the transfer case, too. Refilling
> the trans and the front diff were a bit harder. I ended up using the same
> valve thing, but bought a 3 foot section of tubing for it. I threaded this
> down from the top side of the engine, and in to the fill hole. To get the
> first quart in (especially for the 80W90 gear lube), I opened the valve,
> then
> used a knife to punch a hole in the bottom of the bottle to allow the air
> in
> so it would drain. For the second quart, I used the knife to cut the
> bottom
> off the bottle, turning it in to a really long funnel and just poured the
> stuff in from the top. Worked pretty well, since both are of the "fill
> until
> it overflows" type, I just put a pan underneath and kept pouring until I
> could see it dripping.
>
> I saved samples of the fluids to send off to Blackstone. I'm curious to
> see
> what they have to say about these.
>
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