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#2138188 - 09/12/10 01:15 PM Question about rear axle parts interchange.
94aeroliteweight Offline
Stranger

Registered: 07/18/10
Posts: 6
Loc: |Ontario Canada
Greetings, fellow Panther fans! This is my first post in about 8 years - it's nice to have useful internet service again.

I have searched the forums a lot trying to find the answer myself before bugging anybody, but haven't been completely successful.

I need to know if certain rear axle parts interchange between a '94 CV and a '98. The main parts I'm interested in are the caliper anchor brackets and the parking brake backing plates. I'm having gears and a traction-lok installed in my '94 and the above-mentioned parts are in bad shape due to lots of miles and all the salt they use here in the winter. So, it makes sense to change everything while the rear end is apart.

The problem is that these parts are obsolete from Ford for a '94. In fact, the earliest I could order is for a 2000 from my Ford parts guy, and those are over $300.00 per side. I've located a really well-preserved '98 CV in a local parts yard, and the whole rear axle assembly would only cost me $300.00. I'm gonna jump on this as soon as possible, but don't wanna get stuck with parts I can't use.

From what I can tell, the caliper anchors appear to be the same. The parking brake backing plates look the same too, except that they don't use the little spring and tab to hold the shoes on - they use a clip of some sort with what looks like a bolt. I know the axle housing iself is different because of the watt's linkage, but it's still a great deal, provided I can actually use the parts. I'd want to use the axles as well, if they haven't changed, but I seem to recall that they were lenghtened at some point - I'm just not sure of the model year.

So - are the caliper anchors interchangeable?
- are the parking brake backing plates interchangeable?
- are the axles interchangeable?

Sorry for the length of this post - I thought it would be useful to provide some background. Any input here would be greatly appreciated.
Thanks.

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#2138699 - 09/13/10 06:58 AM Re: Question about rear axle parts interchange. [Re: 94aeroliteweight]
98VicP71 Offline
14.6@93MPH
Grand Poobah

Registered: 03/28/06
Posts: 12731
Loc: ATL
have you tried cross referencing the part numbers between the years?

I think they should work as not to much changed between 94 and 98 I mean i know the track width changed and 98 got the watts link but I don't think anything really changed on the rear brakes, I know the front brakes were upgraded in 98.
_________________________
1993 Lincoln Town Car 150k+ - RIP 5/10/2011
1998 Ford Crown Victoria P71 - RIP 12/25/2006
2001 Ford Crown Victoria P71(Count blackula) 180k+ - Ummmmmm evil

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#2138726 - 09/13/10 08:36 AM Re: Question about rear axle parts interchange. [Re: 98VicP71]
gord_bolton Offline
Over the Hill

Registered: 05/06/02
Posts: 4691
Loc: Saskatoon, Saskatchewan
Axles will not fit.

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#2138741 - 09/13/10 09:08 AM Re: Question about rear axle parts interchange. [Re: gord_bolton]
98VicP71 Offline
14.6@93MPH
Grand Poobah

Registered: 03/28/06
Posts: 12731
Loc: ATL
 Originally Posted By: gord_bolton
Axles will not fit.


I know the axles will not fit but the OP question is will some of the brake components interchange.
_________________________
1993 Lincoln Town Car 150k+ - RIP 5/10/2011
1998 Ford Crown Victoria P71 - RIP 12/25/2006
2001 Ford Crown Victoria P71(Count blackula) 180k+ - Ummmmmm evil

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#2138778 - 09/13/10 10:28 AM Re: Question about rear axle parts interchange. [Re: 98VicP71]
2vmodular Offline
Poobah

Registered: 04/11/01
Posts: 6289
Loc: New England
a lot of rear brake stuff did change between 1994 and 1998 model years. the e-brake setup used on the 1992-1995 cars is quite different than the one used in the 1996-2002 cars. they are both similar in the sense that a minature set of shoes expands outwards against the rotor hat, but that's where the similarities end.

you can however swap the whole e-brake backing plate, rotor, and caliper between the model years. but you must swap these parts in as a set rather than in individual pieces one-at-a-time. you will also need to figure out what to do for the e-brake cables. the 92-94 cars have the cable equalizer function integrated into the e-brake pedal assembly inside the car, the 95-02 cars have the equalizer function implemented on the cable under the car.

 Originally Posted By: 98VicP71
I think they should work as not to much changed between 94 and 98 I mean i know the track width changed and 98 got the watts link but I don't think anything really changed on the rear brakes, I know the front brakes were upgraded in 98.
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#2139018 - 09/13/10 04:10 PM Re: Question about rear axle parts interchange. [Re: 2vmodular]
Chevyguy Offline
Poobah

Registered: 01/04/04
Posts: 8234
Loc: Winchester Mass
LOL I had dug out my torx sockets since I had to check the Ebrake on my 96 as it would not hold strong enough for a sticker. Was kind of suprised it was the same setup as my 2001 held on with bolts and riding on the metal slider like the fronts do. The 92-95 models use those studs with the torx head and the calipers slide on them with rubber bushings and whatnot. I was expecting the setup my 94 had.

As for the Ebrake it needed adjusting as one shoe lining fell off, removing the adjusters before breaking them free is better than trying to do it on the car as this did not move it and popped the other lining off.

Oddly enough you CAN make the brakes hold very good even with only one pair of linings. I will replace the shoes and hardware kit after I fix the engine but now I could get a sticker if I needed to.
_________________________
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Previous rides
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#2139407 - 09/14/10 01:38 AM Re: Question about rear axle parts interchange. [Re: Chevyguy]
TheShadow Offline
Over the Hill

Registered: 05/01/07
Posts: 1362
Loc: SoCal High Desert
The calipers/pads from a '98 will be slightly smaller regarding distance between mounting holes and brake pad length. I never measured it, but it was about 1/4" or so. I had to use '96 (same as '98) rear pads on a '95 (same as '94) once in an emergency, and they were staying in, but flopping around when applied while changing direction. Likewise, I tried to use a '97 caliper on the '95, and it was the same thing - couldn't be mounted at all. I have found that '96 and '97 rears are the same as the '98. So, like 2vmodular said, take everything as a set and don't leave the rest!

Not sure about the rotors, but I think they are not compatible. Don't know about the e-brake/backing plate info.

Hope that helps...


Edited by TheShadow (09/14/10 01:59 AM)
_________________________
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#2147568 - 09/25/10 06:10 PM Re: Question about rear axle parts interchange. [Re: TheShadow]
94aeroliteweight Offline
Stranger

Registered: 07/18/10
Posts: 6
Loc: |Ontario Canada
Thanks for the replies, guys - sorry I took so long to get back to you. Good to know about the model year changes - it's not what I was hoping to hear, but it sounds like I might still be able to use the parts car. So, I have a few more questions, based on your responses, and all input is greatly appreciated.

As far as the rotors, calipers and pads, did Ford simply change things like attachment points, caliper bracket size, etc., or did they actually update the rotor and caliper as well? When I say update, I mean does the 98 have a larger diameter rotor or a twin piston design, or is everything pretty much the same as on my 94, only "different"? I performed the big front brake upgrade on my 94 several years back, and am just curious if there's any kind of performance advantage to be gained by swapping to the 98 parts on the rear as well. Even if there isn't, it still sounds worthwhile because a lot of the parts are still available for the 98, unlike my 94.

As far as the parking brake issue, 2 questions come to mind.
First, I understand that the cable system operates differently. So, is there a chance in hell that the cables on my 94 would simply attach in the same spot or in the same way on the 98 parking brake shields?
If not, could I swap the whole mechanism, from the foot pedal assembly back, from the 98 onto my 94? Sounds a bit intimidating, but if it's feasible, it'd be worth it. Trying to find any of these parts in good shape on a 95 or older model around here is pretty much impossible. They use a LOT of salt on the roads in the winter, and these cars are bought to be driven, not stored. I actually lucked out finding this 98 in such good shape - apparently some dumbass bought into the whole "trade-in-your-gas-guzzler-for-a-crossover-whatever" mass government hysteria program that's sweeping the continent.

Again, thanks in advance for any information. It is greatly appreciated.

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#2147605 - 09/25/10 07:25 PM Re: Question about rear axle parts interchange. [Re: 94aeroliteweight]
imvic Offline
Member

Registered: 06/05/10
Posts: 200
Loc: syracuse, n.y....er, NOT. now ...
if you already did the big brake upgrade, i doubt that it would be worth the time and effort to install the '98 rears. the gain would be too minimal.
like you said, the only advantage would be that you're using a bunch of newer and more readily available parts from a '98.
_________________________
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#2148328 - 09/26/10 10:17 PM Re: Question about rear axle parts interchange. [Re: imvic]
94aeroliteweight Offline
Stranger

Registered: 07/18/10
Posts: 6
Loc: |Ontario Canada
Thanks for the response - the ability to order new parts from Ford would be great.

Anyone have any ideas about the parking brake issues?

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#2783568 - 11/29/13 02:10 PM Re: Question about rear axle parts interchange. [Re: 94aeroliteweight]
HIPOFOMOCO Offline
Rookie

Registered: 10/19/12
Posts: 78
Loc: TRINIDAD, TX
Very interesting...Thanks
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