1967 Family Patrol Project

Builds, refurbishments, restorations, upgrades

Postby faux40 » Sun Sep 27, 2020 11:24 pm

I decided to expand my water-resistant work-on-cars area. Today I added this:
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This evening, I added this!
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John
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Postby faux40 » Wed Sep 30, 2020 1:58 am

The next project will be to clean up and get the axles ready... so I need something strong to hold them steady to work on! Jay offered to craft up some metal saw horses for me!
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Next, a golden package arrived today from Mild Bill (THANKS!) -- In it... Hydraulic clutch parts! Yea, that's right, I plan to ditch that clumsy, lumpy, mechanical clutch linkage for that smooth, gliding control one gets from a hydraulic clutch system! ;-)
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Progress!
John
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Postby Esteban » Wed Sep 30, 2020 7:11 pm

Excellent pictures of the progress, John. Great to see your son working on it as well! :clap: :clap: :clap:

faux40 wrote:Hydraulic clutch parts! Yea, that's right, I plan to ditch that clumsy, lumpy, mechanical clutch linkage for that smooth, gliding control one gets from a hydraulic clutch system! ;-)
John


I have to burst your bubble on this one. In both systems you apply exactly the same effort. You can only argue that the pivots of all the parts on the mechanical will increase a tiny bit the force needed. But don't get me started in reliability. :twisted:
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Postby faux40 » Wed Sep 30, 2020 7:19 pm

Esteban wrote:Excellent pictures of the progress, John. Great to see your son working on it as well! :clap: :clap: :clap:

faux40 wrote:Hydraulic clutch parts! Yea, that's right, I plan to ditch that clumsy, lumpy, mechanical clutch linkage for that smooth, gliding control one gets from a hydraulic clutch system! ;-)
John


I have to burst your bubble on this one. In both systems you apply exactly the same effort. You can only argue that the pivots of all the parts on the mechanical will increase a tiny bit the force needed. But don't get me started in reliability. :twisted:



Thanks! I love that our Patrol is a family thing. I doubt they'd let me ever sell Aerogirl!

You are absolutely correct -- the effort would essentially be the same. You engineering types! Although I wasn't suggesting an effort change, but a smoothness change. Also, not claiming that a strictly mechanical clutch cannot be smooth... rather, simply boldly claiming MY mechanical clutch linkage was awful! ;-)

I really appreciate all the awesome feedback and advice we all get on this board!

John
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Postby faux40 » Sun Oct 04, 2020 12:26 pm

Quick update -- Rear Axle Week!

I spent a bunch of time wire brushing and pressure washing the rear axle -- boy that is a crappy task!
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Then I began the rattle can rebuild with this --
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Resulting in this!
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Happy Sunday!
John
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Postby faux40 » Mon Oct 05, 2020 10:49 pm

Put the top coat on the rear axle -- shiny! So shiny that I decided to open it up! Yes, new paint, gooey oil... but then it's clean and more enjoyable to work on!

First drain the oil. Note that shine!
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There were a few tiny metal shavings on the plug... that is all of them.
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That is the largest piece... it was metal, but soft-ish and easy to bend when I picked it up.
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It felt to me that both axles had too much end play. Not front-to-back/top-to-bottom, just the in-and-out. This one appears to have a bunch of shiny chunks around the perimeter... but turns out that its just a shiny grease! Weird.
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It's actually pretty clean inside -- somewhat smelly, yes. But no sludge or anything. And the smelly is not super bad... has that new gear oil smell!
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The gear wear looks good to me... but then I haven't a clue when it comes to differentials! ;-) What do you think?
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So, I was thinking of a couple options:
1) Change the two end bearings and seals and probably the pinion seal, then leave well enough alone. I will need a shop to help as I don't have a puller or a torque wrench that goes to over 200 ft pounds!
or
2) Packing the axles on Southwest and showing up on Rob's doorstep and asking for help! ;-)

Anybody able to help? ;-)

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Postby RiverPatrol » Tue Oct 06, 2020 11:35 am

You can do the axle seals and bearings yourself, it's not that difficult. Same with the pinion seal. You don't need a fancy puller, there are 'shade tree' methods to use. Same with the torque. You'll need a gauge to set the end play when it goes back together, but usually just using the same shimmy will be good enough.
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Postby Esteban » Tue Oct 06, 2020 5:33 pm

Looks really good! :clap: :clap: :clap:

faux40 wrote:So, I was thinking of a couple options:
1) Change the two end bearings and seals and probably the pinion seal, then leave well enough alone. I will need a shop to help as I don't have a puller or a torque wrench that goes to over 200 ft pounds!
John


I think you're on the right track on this. Dealing with the axle bearings and seals have been covered before. I'll try to find the links. The good thing is that you never have to add shims, so don't worry about sourcing an unobtanium item. You always take a shim or two to compensate for the wear of the tips of the axles that rub a little bit inside the differential carrier.

The amount of tiny shavings you found looks more than normal. I will be worried if there's a piece of a shim (happened to me).

To deal with changing the seal, the later Service Manual covers that in good detail, even dealing with changing the pinion seal while on the vehicle, with the appropriate torque values in that case (different torque if a new bearing to the case of reusing the bearing) Look for section Propeller Shaft & Differential Carrier.

Regarding the ring and pinion pattern, they look good, and the only way to check it is with the special paint for the contact pattern, and applying some restrictive turning force for the wheel axles. But if ain't broken, don't fix it. Specially with unobtanium carrier bearings that need a different solution. I still owe a write up on how I solved mine.
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Postby faux40 » Wed Oct 07, 2020 3:20 pm

I'm starting to put together an axle shopping list -- I pulled all the Nissan Part Numbers from the part number book I have; the much of this from the Patrol Parts list and some from posts... I still have a ways to go to find the actual parts in the real world.

Here's what I want to track down before digging in any further...




























































































Rear Axle
Qty Description Nissan PN Alt PN Notes from Parts DB
2 Outer Grease Seal 40227-32201 Outer Seal: NOS-550225 48x65x7 mm
https://www.napaonline.com/en/p/NOS550225
https://www.amazon.com/48x65x7-Rubber-C ... B00SVIPCFQ (per Esteban)
2 Inner Oil Seal 38212-01300 Inner seal: ATM 2116213 35x55x11 mm
https://www.napaonline.com/en/p/ATM2116213 (per Esteban)
2 Wheel Bearing 38440-25660 Bower 30208, 40210-85000
NSK 30208 (stamped on the bearing that was on my axle)
2 Bearing and Shaft Lockwasher 43069-44000 Whittet-Higgins W-08 Bearing and Shaft Lockwasher
Front Axle
Qty Description Nissan PN Alt PN Notes from Parts DB
2 Outer Bearing 40215-45460
2 Inner Bearing 40211-45460 NSK HR 30209J
2 Grease Seal 40227-44001 TCM Part 65X88X12TC-BX. Ebay item --replaces stock part 40227-44001 65 x 85 x 11-5 mm
2 Roller Bearing 40588-44000 RUS305
4 Knuckle Flange Bearing 40215-10360 30304A HR30304BJ, Equivalent nissan number: 40215-P0100
4 Knuckle Flange O-Ring 40597-44000
2 Grease Seal/Wiper 40578-46500
Differential
Qty Description Nissan PN Alt PN Notes from Parts DB
2 Pinion Oil Seal 38189-44000 https://www.avxseals.com/Shaft-Oil-Seals-TC50x73x12-p/tc50x73x12.htm



All fun and games!

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Postby faux40 » Wed Oct 07, 2020 3:33 pm

And... Look what just arrived! Something for research! Not saying I'm committed, just thinkin' that it looks good...
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Fits a late '70s GMC K15 4x4 -- Discs and calipers are a dime a dozen

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Postby faux40 » Thu Oct 08, 2020 10:00 am

I did a little digging though the boxes that came with the Patrol way back when we got it... LOOKIE! A pair of inner bearings for the front axle! Factory Nissan Bearings no less! Note that the Nissan PN is 40211-45460 while the bearing is tamped NSK HR 30209J
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Postby Esteban » Thu Oct 08, 2020 5:51 pm

faux40 wrote:I did a little digging though the boxes that came with the Patrol way back when we got it... LOOKIE! A pair of inner bearings for the front axle! Factory Nissan Bearings no less! Note that the Nissan PN is 40211-45460 while the bearing is tamped NSK HR 30209J

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Pure p0rn!! :clap: :clap: :clap:
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Postby faux40 » Sun Oct 11, 2020 12:29 am

Today was rip-it-apart day!

Step 1 - Make a bearing bolt tool
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Step 2 - Test that the tool engages the nut (okay, so I spilled the beans and showed an after picture...)
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Step 3 - Fully engage the nut and get ready to twist!
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Step 4 - Grab a simple piece of scrap to use as a lever -- And BOOM!
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Results - The Bearing that was installed is an NSK 30208
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I bought the Harbor Freight Press -- it's on sale. Sadly, it won't work with this axle.. In fact I bent one of the ears on the bearing housing trying! Dang it! I'm working on a solution to make it work...

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Postby RiverPatrol » Sun Oct 11, 2020 9:07 am

Excellent tool!
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Postby faux40 » Sun Oct 11, 2020 3:13 pm

So, here's the on-sale harbor freight press -- not bad quality. Although the cross bar is not wide enough (front to back) to allow the wheel mounting flange to slip through -- But, to quote Galaxy Quest -- Never give up, never surrender!
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I found a way using using stuff laying around to create a perch to push that bearing out. A chuck of 1/4" thick steel and an industrial storm drain grate that just showed up here years ago. A little plasma-action and voila!
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Boom! The bearing is out... But at pretty a high cost... crap! The hub slipped a tiny bit in the press and tweaked two mounting bolt holes. At least the bends are smack in the middle of the bolt holes, leaving the sealing surface in fine shape. Next, I'll take it to my friendly neighborhood machine shop and have them knock is back to shape and then re-face it.
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But, it does look good with the disk don't you think? I'm semi-mostly-committed to four-wheel disks
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Question: What centers the drums on the axle? Is it the center hole, or the wheel studs? Is that the same way disks are typically centered?

J
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