Re: [Chrysler300] Axle spacers in Power-Grip differentials 300H

Keith,

Google “Mopar Sure-Grip axle spacer” and you will find a bunch of them available, mostly on e-bay from $21 to $61 depending on vendor. They ALL are of the rivet design. I had noticed they cover from 68 to 71, then I just norticed another vendor says they cover 57 to 68 so they must be pretty universal . Since I have the time, I’d just as soon use a set of rivet type and avoid worrying abut that headache. I now know several people who have had to fish them out. I don’t want to have to deal with that.

Thanks, MIke

On Nov 18, 2015, at 11:37 AM, keith_a_lang@xxxxxxxxx wrote:

Folks

Good dialog on this. I have a sure-grip that the spacer fell out of when the diff was removed from the housing (replaced with a different ratio unit) and now the pin is missing.

Two questions:

1) anyone know where I can get a new pin?

2) the "secret" to installing that new pin and "peening" the one end flat so the two spacers stay in place?

Thanks,

Keith

From: 'John Grady' jkg@xxxxxxxxxxxxxxxxx [Chrysler300]

Sent: Wednesday, November 18, 2015 2:22 PM

To: 'Michael Moore'

Reply To: John Grady

Cc: chrysler300@xxxxxxxxxxxxxxx

Subject: RE: [Chrysler300] Axle spacers in Power-Grip differentials 300H

Just assemble them with heavy grease ..they get loose on pin that is OK , they will not just fall out—unless you do something wrong ; your shims will then adjust correctly at the wheel bearings ; old pack usually ok as is . ; from that part of install you can tell the spacers are in place ok . if one is out of place, even with no shims, the axles will be still loose in the tapered rollers—remember you are pressing right through that block and through the pins when you set up wheel bearings clearance side to side ; if one falls out that whole length is then too short.

Obviously, do not contact the spacer nail head with axle end while reassembling and then pull it back out , they might come with it (how they fall out/came out in first place..stuck there to axle end face by the heavy axle oil) the grease will hold if you do not pull them out. You get it! Keep head free of grease too.

Why pack is on one side…block , both pins, and other axle all move over together when you set clearance spacing with the pack

From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of Michael Moore mmoore8425@xxxxxxx [Chrysler300]
Sent: Wednesday, November 18, 2015 1:32 PM
To: Mike Moore
Cc: chrysler300@xxxxxxxxxxxxxxx
Subject: [Chrysler300] Axle spacers in Power-Grip differentials 300H

I have been studying the 62 shop manual regarding the axle spacers (look like nail heads) which go into the center block of my Power-Grip differential and which the rear axles bear on).

It appears they originally were pushed onto a roll pin. When I removed my third member, both fell into the diff housing, something which got me thinking about hazards of reassembly. I really donlt want to wonder about whether they are in the sump or not, and I don;t want to remove the thrid member again!

It looks like there has been a design change, although it seems to be for later models. The updated design uses a long rivet instead of a roll pin, and apparently gets peened over after assembly into the center lock.

I am mightily interested in hearing any experiences with this,

Thank You,

Mike Moore

300H