1988 chevy k1500 4x4 front inner axle seal replace


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2004 Ford F-150 Rear Axle Differential Cover Axle Shaft Oil Seal and Rear Wheel Bearing REMOVAL AND INSTALLATION

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Filed Under (Ford) by admin on 28-02-2011

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1. With the vehicle in NEUTRAL, position on a hoist. For additional information, refer to Section 100-00. 2. Remove the rear wheel and tire assembly. For additional information, refer to Section 204-00. 3. Remove the parts in the order indicated in the following illustration and table. 4. To install, reverse the removal procedure. 5. Fill the axle with the specified quantity of the specified lubricant. For additional information, refer to the Specifications in this section. Item 2: Rear Disc Brake Caliper Removal Note 1. CAUTION: Do not allow the caliper to hang from the brake hose. Provide a suitable support. Position the rear disc brake caliper aside. For additional information, refer to Section 206-00. Item 7: Differential Pinion Shaft Removal Note 1. Move the differential pinion shaft out far enough to remove the U-washers. Replace the shaft and install the lock bolt finger tight when U-washers are removed. Item 8: U-washer Removal Note 1. CAUTION: Do not damage the rubber O-rings in the axle shaft grooves. Remove the U-washers. 1. Push the axle shafts inboard. 2. Remove the U-washers. Item 10 and 11: Wheel Bearing Oil Seal and Axle Shaft Bearing Removal Note 1. CAUTION: Never remove the wheel bearing oil seal by itself. Always remove the wheel bearing oil seal and the rear wheel bearing at the same time. For the 8.8 inch rear axle, use the special tools to remove the rear wheel bearing and wheel bearing oil seal. 2. CAUTION: Never remove the wheel bearing oil seal by itself. Always remove the wheel bearing oil seal and the rear wheel bearing at the same time. For the 9.75 inch and the 10.25 inch rear axles, use the special tools to remove the rear wheel bearing and wheel bearing oil seal. Item 11: Axle Shaft Bearing Installation Note 1. For the 8.8 inch and the 9.75 inch rear axles, use the special tools to install the rear axle wheel bearing. 2. For the 10.25 inch rear axle, use the special tools shown to install the rear axle wheel bearing. Item 10: Wheel Bearing Oil Seal Installation Note 1. Use the special tools shown to install the rear wheel bearing oil seal. Item 8: U-washer Installation Note 1. CAUTION: Do not damage the rubber O-rings in the U-washer grooves. Install the U-washers. 1. Position the two U-washers on the button end of the axle shafts. 2. Pull the axle shafts outward.

2006 Ford F-250 Engine 6.0L Diesel Crankshaft Rear Seal Removal

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Filed Under (Ford) by admin on 06-05-2011

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All vehicles 1. Remove the transmission. For additional information, refer to Section 307-01 for automatic transmissions or Section 308-03 for manual transmissions. Vehicles with manual transmission 2. Remove the clutch disc and pressure plate. For additional information, refer to Section 308-01. All vehicles IN-VEHICLE REPAIR (Continued) 3. Remove the 10 bolts and flexplate or flywheel. • Discard the bolts. 4. NOTICE: Use extreme care when removing the flywheel front adapter to prevent damage to the alignment dowel pin. Remove the flywheel front adapter. 5. NOTICE: To prevent engine damage, do not remove the rear primary crankshaft flange bolts under any circumstances. If the flange is removed and reinstalled, it will result in engine vibration and premature transmission component wear. NOTICE: Drill only deep enough to penetrate the seal. Engine damage will occur if the seal is drilled too deep. NOTE: On original service seals, if equipped, the wear ring will be removed separately. Using a center punch, mark a location for 2 holes 180 degrees apart, 9.53 mm (0.375 in) from the outer diameter of the crankshaft flange. Using a drill bit of the appropriate size for the Slide Hammer being used, drill a hole on each side of the crankshaft rear seal as shown. Drill the holes to a depth of 8.76 mm (0.344 in) to capture the metal case of the crankshaft rear seal as well as the wear ring. 6. Using the 2 drilled holes, the Slide Hammer and a commercially available body dent puller attachment, walk the seal out of the rear cover by alternating from side to side to remove the crankshaft rear seal. • Discard the crankshaft rear seal. Vehicles with an original service seal 7. NOTE: Original equipment seals will not have a wear ring. If a service part has previously been installed, it will have a wear ring. If the service part was a redesigned seal, the wear ring will have been removed with the seal in the previous step. If the service part was an original service seal, the wear ring will remain in the engine after the seal has been removed. If the wear ring remained in the engine after removing the seal, use the Crankshaft Rear Wear Ring Remover to remove and discard the crankshaft rear seal wear ring. All vehicles 8. Clean and inspect the crankshaft sealing surface. Installation Vehicles with an original service seal 1. NOTICE: The crankshaft rear seal and wear ring are a one-piece design and need to be installed as an assembly. Do not separate the wear ring from the crankshaft rear seal or damage to the seal may occur. NOTE: An original service seal will have a wear ring without a flange and pre-applied threadlock. NOTE: Apply a bead of threadlock around the circumference of the outer rear edge of the secondary crankshaft flange.

1997 Oldsmobile Bravada Axle Shaft Assembly: Service and Repair Drive Axle Installation FRONT DRIVE AXLE

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Filed Under (Oldsmobile) by admin on 18-08-2010

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INSTALL OR CONNECT It is essential that the differential carrier, axle seals are not lubricated or damaged during this process. Prior to drive axle installation, cover the shock mounting bracket, lower control arm bail stud, and all other sharp edges with a shop towel so as not to damage the boot. 1. Axle shaft to differential carrier. With both hands on the tripot housing, align the splines on the shaft with the differential carrier. Then center the drive axle into the differential carrier seal and firmly push the shaft straight into the differential carrier until the snap ring seats into place. NOTICE: Be careful that the safety stand does not damage or bend any components it may contact. 2. Raise the safety stand to support the weight of the lower control arm. Important: It will be necessary to slightly start the knuckle onto the drive axle while simultaneously guiding the lower ball stud to its proper 1997 Oldsmobile Truck Bravada V6-4.3L VIN W location on the steering knuckle. 3. Assemble the lower ball joint. 4. Lower shock mount. 5. Upper ball joint. 6. Drive axle washer and nut. 7. Drive axle nut. – Tighten bolts to 140 Nm (103 ft. lbs.). 8. 9. 10. 11. 12. ABS Bracket located on the top of the upper control arm ball joint. Brackets from upper control arm holding both the ABS wire and brake hose. Caliper and rotor. Tires and wheel. Remove safety stands.

2005 Chevy Suburban Front Axle Will Not Disengage

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Filed Under (Chevrolet) by admin on 30-10-2010

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Front Axle Will Not Disengage Circuit Description The front axle control circuit consists of an electric motor actuator which engages and disengages the front axle. The front axle actuator motor consists of a permanent magnetic motor, a worm gear controlled plunger, a front axle switch and an electronic control circuit all within the actuator assembly. The front axle actuator consists of the following circuits: The front axle control circuit, which is also connected to the transfer case shift control module The front axle switch circuit, which is also connected to the transfer case shift control module A battery feed circuit A ground circuit When a shift to AUTO 4WD, 4HI or 4LO is requested, the transfer case shift control module engages the front axle by grounding the front axle control circuit through a current limiting driver. Diagnostic Aids A mechanical condition inside the front axle could prevent the shift fork from moving causing the motor to be stuck in one position. Refer to Symptoms – Front Drive Axle See: Differential Assembly\Testing and Inspection\Symptom Related Diagnostic Procedures\Diagnosis By Symptom – Front Drive Axle\- Symptoms – Front Drive Axle

2003 Ford F-150 Front Drive Axle and Differential Exploded View

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Filed Under (Ford) by admin on 30-03-2011

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The axle housing assembly consists of a cast-aluminum center section, a removable cast-aluminum axle housing tube (3B210), and a differential housing cover (3N136). Both the axle housing tube and the differential housing cover use silicone sealant as a gasket. The hypoid-design gearset consists of an 8.8-inch ring gear (3A397) and a pinion gear (3N175). Two opposed tapered roller bearings support the drive pinion in the axle housing. A drive pinion collapsible spacer (4662), located on the pinion shaft, maintains pinion bearing preload. The pinion nut adjusts the preload. Differential bearing shims (4A451), located between the differential bearing cups (4221) and the axle housing, adjust the differential bearing preload and the ring gear backlash. The differential case (4205) is a one-piece design with two openings to allow for assembly of the internal components and lubricant flow. Two opposed tapered roller bearings (differential bearings [4221]) support the differential case in the axle housing. Removable differential bearing caps (4224) retain the differential assembly in the axle housing. Inside the differential case, the differential pinion shaft (4211) supports two differential pinion gears (4215). The pinion gears engage the differential side gears (4236), to which the left axle shaft (3A381) and the axle cluster gear shaft (7L253) are splined. The differential pinion shaft bolt retains the differential pinion shaft in the differential case. An embossed metal tag, bolted to the rear face of the RH axle tube, contains front axle identification information. CAUTION: Actuate the front drive axle with the wheels in a straight ahead position, and at light throttle only. A front axle actuator motor assembly (7G360), controlled by an instrument panel-mounted switch, actuates the front drive axle.