NEW 4-PINION LOCKING DIFFERENTIAL shaft I?! the holes tn the case The center block should be POSitioned to the long shaft is driven through the rough tide and short than: driven through the machined d (F 6 i4. Place the shim template int x M P !t e I. ) . L h k ' 6. thh a suitable drift, mm" the then lock pint Mil 434:2", Lilife'llftllm v (,WW be sure the pinion and side gears moVe freely 0 S: u L'smg a to" " 'Cl '91 7. Place the (our preiload spnny in the holes PIOVldcd " n mg { ~l , . k: "ch lb: the center block. a mo"? "1 gang. H ' 1" in 8. Position a pre-load plate over the {our springs. making M Chm '3 5 u w ' "Kl tuna, of shimis) to subtract lrum . . , sure the spring are properly sealed. The pre-load Plate d d t cane , .3131, r. straddles the center block over its narrower or machined stalle . In or er 0 t. e . per mm s "di the shim template tool and i a: used 9. Mount the differential cover in . soft Jawed vise or hold- l5. After the proper shim me ned mm in; xture. the bolt. nut and at washc- N [0 "we 10 Insert shimis) of 0050 total thicknas in the cover the slum thickneSs, rcmtm- n and u, my. . plates. l I Install the composite plate (friction maternal on one Side 16. Install the selected shtmt s H. mm and steel on the Opposite) on the back side of the clutCh the components as outlined a hub with the friction material against the hub; next. l7. Install the four steel Llulu . we gear install a frictton plate, then steel. friction, steel, friction. 18. Place both assemblies II was the m.) steel. friction, and lastly a steel plate (Figures l and 7). halves together; 1h? M -n or Phillips When new clutch plates are used. soak the plates in Ford head screv'vs. and tighten v :1 If a Pms Hypoid Lubricant (Ford Part No. C6AZ~l9580-C). or is not available any two v _ nuts may be equivalent lubricant, for approximately 30 minutes be- used opposnte each other In ctatntng holes fore installation. to compress Isoth halves l2. Place the clutch hub with the clutch plates into the 19,1nsiall the ring gear and rt , ~ and um, clutch ear cavities In the differential cover. Make sure Tighten evenly and 3116mm = alimeler m that the splines on the last friction plate are engaged on the ringgear. Torque the NI! I -Ibs the hub. 20. Prior to installation of the tom c locking dier. I}. Obtain locally 3 5's" x 256' or 9/16" x 256' b0". DUI ential if? 3 VEhiCIe- 3 hen. ~heck must be and two We ' outside diameter at washers approx. W made. With. currently releELsrd Hols. check the in thickness. These pans are required to compress the torque required to rotate on: m , t While the other clutch pack in order to obtain the proper shim selection is held stationary. The initial t it Runny torque mat (Fig. 7). lnstall a at washer on the bolt, and place the exceed 250 ft.-lbs._The rotating hi you required to keep bolt through the clutch hub. Hold the bolt in position the side gear turning With new t etch plates is 100 to and turn the cover over. Place a at washer on the bolt 250 ft.-lbs. With re-used clutch pistes. the minimum and then install the nut. Be sure the washers are cen- torque required is 40 ft.-lbs. (The torque may uctuate tered. and torque the nut 10 to 15 ft.-lbs. (Fig. 8). l0~40 ft.-lbs.) Cnr Line Engine Transmission M3329?" Ratio :2?" WFC-A 3.50:l 9 Fairluno and 390-2V & 4V 3 8- 4 Spd Std. 3t C6 _ n Montego Puss. 428-4V C.J. 4 Spd. Std 03 19 9 WFC-C 4.30:] 9 4274V 0 C6 Automatic WFD-A 3.502l 9" o d ,, cm; " 390.2v at. 4V 3 a. 4 Spd. Std. a. C6 wrua 39 9 428-4V C.J 4 Spd. Std: 5- C6 WFD-C 4.30:] 9" d) CWW Onlv SPECIAL TOOL Figure 2Model Um! Chm lim'" Template Tool No. T68P-4946-A J TORQUE SPECIFICATIONS FT. LBS. Minimum torque required to turn axle shall and side gear with one 0 wheel on the ground. Bench chock with now plan: 100 to 250 (D Original plate: 40 Minimum 0 This rotating torque may fluctuate up to 40 ft. lbs. HYPOID LUBRICANT RIQUIREMENTS Ford svecitieation Quantity Service Refill ESW-MZClN-A (C6AZ-l 9580-C) Bottom of filler plug halo. 5 Pin" i