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'89 R3500 Crew Cab 2wd to 4wd conversion & beyond

Started out with 2wd TBI350 with SM465 to current 4wd with 454, 700r4, NP241
I haven't done the driver door, maybe that one could be AD3500. Although my A and D wouldn't match.
 
What kind of laser are you scoping out?
 
Good news! No engine oil spots appearing on the ground!

Bad news, passenger axle shaft flange is leaking. Ugly wheel proof

20180901_103326.jpg

I have replacement metal shim thingy. I've done this a few years ago but can't remember which side so I picked up the gaskets when RockAuto had them on clearance.

I checked torque a few weeks ago so it's not due to loose bolts.

I'm wondering if it's okay to add a thin coating of RTV to the metal shim/gasket. I'm thinking I must have a slight imperfection that eventually allows it to leak.

Thoughts?
 
Good news! No engine oil spots appearing on the ground!

Bad news, passenger axle shaft flange is leaking. Ugly wheel proof

View attachment 275412

I have replacement metal shim thingy. I've done this a few years ago but can't remember which side so I picked up the gaskets when RockAuto had them on clearance.

I checked torque a few weeks ago so it's not due to loose bolts.

I'm wondering if it's okay to add a thin coating of RTV to the metal shim/gasket. I'm thinking I must have a slight imperfection that eventually allows it to leak.

Thoughts?
I do put a little silicone on it.
If you have a scratch or gouge it will leak
 
just so happens i have 2 new seals here .

fel-pro 55350 rear axle flange seal 73-95 listing 20-30 series trucks

1.30 each rockauto currently.

if rtv not to much as it will fill the hub bolt holes and cause a blow out when you tighten the bolts for the axle to hub .

i prefer right stuff form a gasket these days . thicker and seals instantly basically .
 
Good news! No engine oil spots appearing on the ground!

Bad news, passenger axle shaft flange is leaking. Ugly wheel proof

View attachment 275412

I have replacement metal shim thingy. I've done this a few years ago but can't remember which side so I picked up the gaskets when RockAuto had them on clearance.

I checked torque a few weeks ago so it's not due to loose bolts.

I'm wondering if it's okay to add a thin coating of RTV to the metal shim/gasket. I'm thinking I must have a slight imperfection that eventually allows it to leak.

Thoughts?

I have to silicone mine really well. Even add some to the bolt holes.
 
I'm wondering if it's okay to add a thin coating of RTV to the metal shim/gasket.
Go ahead. I run a thin layer of permatex aircraft gasket sealer with the metal gasket. RTV would work just as well.

David
 
The hub flange seals on my rear axle started leaking after my Rubicon trip, so when I got home I sealed them with RTV and in two years they've not leaked since.
 
Spray them on both sides with a good coat of High Tack spray gasket to help it seal. Works great for gluing gaskets in place too.
download.jpeg
 
My son's '03 truck had to have some on the threads to quit leaking. It drove him crazy after putting all new bearings in the rear axle! Just one stupid leak....
 
I tried a light skim of Right Stuff and blue loctite on the bolts. We'll see how that goes.

I also did this today (sorry @Kay86K5 )

20180902_135901.jpg

20180902_135932.jpg

20180902_140025.jpg

I had to add 2" of spacer. Luckily we had a drop piece of 2"x5" rectangle tube at the shop that was the perfect size. It was really cool of @1977k5 to include new hardware when he sold me the kit.

I just have it set to fill each side separately with a Schrader valve.

20180902_164002.jpg

20180902_163952.jpg

I was surprised how much just 20lbs lifted the truck. I have them set at 8psi; directions say 5psi minimum. Couldn't tell any difference in the ride with them at 8, which I think is good.

Tomorrow we're going to haul the go kart up to the woods for some riding. Should be a good trial run with the bags.
 
I tried a light skim of Right Stuff and blue loctite on the bolts. We'll see how that goes.

I also did this today (sorry @Kay86K5 )

View attachment 275629

View attachment 275627

View attachment 275628

I had to add 2" of spacer. Luckily we had a drop piece of 2"x5" rectangle tube at the shop that was the perfect size. It was really cool of @1977k5 to include new hardware when he sold me the kit.

I just have it set to fill each side separately with a Schrader valve.

View attachment 275631

View attachment 275630

I was surprised how much just 20lbs lifted the truck. I have them set at 8psi; directions say 5psi minimum. Couldn't tell any difference in the ride with them at 8, which I think is good.

Tomorrow we're going to haul the go kart up to the woods for some riding. Should be a good trial run with the bags.

Dang...looks like I need to buy that kit on my own now ;). Looks good on there. Do you have a part number or anything as to where I can buy that? I know you bought it from @1977 but maybe the box had it on there?

Yay! No more saggy ass! Is that a squarebody specific kit?

I seem to remember Scott saying it was specific for square bodies...if so I need one for sure with the camper in the back of my CCLB
 

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