replacing axle actuator on buick rainier
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Filed Under (Chevrolet) by admin on 30-10-2010
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
Filed Under (Oldsmobile) by admin on 18-08-2010
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.
Filed Under (Ford) by admin on 28-02-2011
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.
Filed Under (Buick) by admin on 18-11-2010
Some 2002-2004 model year Chevrolet TrailBlazer and TrailBlazer EXT, GMC Envoy and Envoy XL, Oldsmobile Bravada vehicles, and 2004 Buick Rainier vehicles have tail lamp/stop lamp(s) that may become inoperative. Service Procedure 1. Open the rear liftgate. 2. Remove the two screws that attach both the left and right tail lamp assemblies and remove the lamps from the body. 3. Inspect the part number on both the left and right tail lamp circuit boards. Chevrolet – New P/N 16532713 Chevrolet Export – New P/N 16532714 Buick and Oldsmobile – New P/N 16532715 GMC – New P/N 16532716 • If the part number printed on a circuit boards IS one of the part number listed above, then the circuit board is the new design and does NOT need to be replaced. • If the part number printed on a circuit board is NOT one of the part numbers listed above, then the circuit boards is the old design and MUST BE REPLACED. Proceed to the next step if either circuit board needs to be replaced. 4. Turn on the tail lamps, directional signals, etc. and determine if there are any bulbs that require replacement. 5. Disconnect the electrical connector from the circuit board being replaced. 6. Remove the three screws attaching the circuit board to the tail lamp and remove the circuit board. 7. Install a NEW stop lamp bulb in a NEW circuit board. • On Chevrolet, Buick and Oldsmobile vehicles, the stop lamp bulb is located in the UPPER (top) socket in the circuit boards. • On GMC vehicles, the stop lamp bulb is located in the LOWER (bottom) socket in the circuit board. 8. Transfer the remaining bulbs from the old circuit board to the new circuit board. Replace any burned out bulbs. 9. Connect the electrical connector to the new circuit board(s). 10. Turn on the tail lamps, directional signals, etc. and verify that all bulbs are functional. 11. Install the circuit board to the tail lamp and install the three screws.
Filed Under (Ford) by admin on 30-03-2011
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 ) 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.