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#1647478 - 12/26/08 07:00 PM Pinion bearing replacement cost?
GaryinVT Offline
Over the Hill

Registered: 09/24/06
Posts: 3176
Any idea how much a pinion bearing replacement would cost for a 3.27 Traction-Lok? I'm worried that's what my 04 may need, based upon research here. I know it ain't cheap...anyone info before I shop around?

#1647651 - 12/26/08 11:01 PM Re: Pinion bearing replacement cost? [Re: GaryinVT]
unixdude Offline
Over the Hill

Registered: 08/02/06
Posts: 1386
Loc: NJ
the cost depends on the labor rate at your local axle shop. the parts are cheap compared to the cost of the labor. As strange as this is going to sound, look for a 4x4 shop with a good rep. Most them have serviced a few Ford 8.8 axles. The process is the same, regardless of what it's going into.

#1647706 - 12/27/08 12:11 AM Re: Pinion bearing replacement cost? [Re: GaryinVT]
gDMJoe Offline


Registered: 06/03/03
Posts: 7417
Loc: Timbuk3, MI
Shop labor time is 4.9 - 5.6 hours.

Approximate parts co$t (retail) ...
  • $26 - cone and roller (inner)
  • $11 - cup (inner)
  • $19 - cone and roller (outer)
  • $10 - cup (outer)
  • $7 - spacer
  • $17 - pinion shaft oil seal
  • $30 - rear axle lubricant Synthetic 75W-140 (3 quarts ... will use ~2)
  • $6 - friction modifier
  • $18 - differential cover gasket (could use silicone seal instead)

-click the Vic-

#1647731 - 12/27/08 12:44 AM Re: Pinion bearing replacement cost? [Re: gDMJoe]
Steve83 Offline

Registered: 10/03/04
Posts: 7449
Loc: Memphis, TN 38002, USA, Earth,...
How do you know that's what you need, and which one is bad? The inner (rear) pinion bearing is the only one that takes any time, but for either, the preload must be reset with a needle- or beam-style inch-lb torque wrench (not a click).
Walk softly & carry a BIG SIX ! ! !

. . .

#1647867 - 12/27/08 09:17 AM Re: Pinion bearing replacement cost? [Re: Steve83]
Chevyguy Offline


Registered: 01/05/04
Posts: 9001
Loc: Winchester Mass
I will chime in here

From direct experience if you have a bad axle bearing chew up an axle, the debris can damage the pinion bearings and/or carrier bearings. This does not always have to show massive wear on the axle, the material can come from the axle bearings instead.

You replaced your axle bearings and still hear noises yes??

In my case I could move the carrier back and forth by hand, a good sign the bearings were shot. After removing the axles I could also move the carrier up and down. Could have just replaced the carrier bearings but.. Unit also whined, the ring had been deflecting from the pinion gear during turns (with an awful sound to accompany) so the wear pattern was getting damaged. Plus the pinion bearing was probably wiped too, it would make extra noise under coasting probably from the pinion shaft deflecting. So this would need a full ring/pinion gear, all the bearings, axles and axle bearings...

Instead of a full housing rebuild I got a used unit.

Just replacing the pinion bearing is probably not going to do it. You may have similar damage to the rest of your axle housing.

Since you can use a 03 - 09 unit I would recommend finding a nice low mile newer axle housing. I got one rusty and 95K miles as it had 3.55 gears and Trac Loc. I could have gotten a nicer one with 2.73 open rear but well...

Edited by Chevyguy (12/27/08 09:19 AM)
2004 MarauderM79 104K miles Jmod!! Lidio 93 tune for the track BOC 91 octane street tune 14.85 @95.63
2004 Crown Vic LX 145K Silver Birch Light flint leather FMX1 04 P-71 PCM swap 70 mm TB Custom shorting wire harness. 28/ 21mm MM swaybars Monroe severe duty shocks. Marauder subwoofer and painted cap heated mirrors. GT-500 Wheels NEED DUAL EXHAUST

Project car 74 Chevy Laguna type S-3, # match 400 SBC

Previous rides
93 P-71 2001 P-73, 94 TC Exec, 96 TC Signature

#1648035 - 12/27/08 04:36 PM Re: Pinion bearing replacement cost? [Re: Chevyguy]
GaryinVT Offline
Over the Hill

Registered: 09/24/06
Posts: 3176
Yeah I've got rumble from about 30 mph up to 60, but at 65 it lessens. Still there a little, though. New axle bearings, axles didn't have any nasty grooves or edges worn in them.
Or bent wheel maybe?? Hmmm..
And if I hit a bump under hard acceleration...a hard bang! That may be shocks.
This car may end up being a winter beater. Seemed ok when I test drove it...


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