Wednesday, March 21, 2012

How to replace Rear Main Seal on Buick Rendezvous?

Rear Main Seal replacing details are as follows:----




Rear Main Seal
REMOVAL & INSTALLATION
Details for 3.4L engine, 3.5L Engine & 3.6L Engine. 
3.4L & 3.5L Engines
The transaxle assembly must be removed to perform this service. This requires special tooling to support the engine assembly while the transaxle and sub-frame are lowered from under the vehicle.
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Remove or disconnect the following:
    WARNING
    When removing the seal, use care so that no damage occurs to the crankshaft. Once the seal is removed, inspect the crankshaft surface for any nicks or burrs. Repair or replace crankshaft as necessary.



    Negative battery cable
    Transmission assembly
    Engine flywheel
    Oil seal
To install:
image 
Fig. Use the correct installation tool when replacing the rear main seal-3.4L and 3.5L Engines
  1. Install or connect the following:

    New oil seal lubricated with engine oil, using an Oil Seal Installer tool J 34686 until it is seated properly over the crankshaft
    Flywheel
    Transmission assembly
    Negative battery cable
  2. Start the vehicle and check for leaks, repair if necessary.
3.6L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Remove the engine/transaxle assembly.
  3. Separate the transaxle from the engine.
  4. Remove the flywheel.

    Click image to see an enlarged view
    Fig. Rear main seal housing bolts-3.6L engine


    Click image to see an enlarged view
    Fig. Rear main seal housing pry points-3.6L engine
  5. Remove the crankshaft rear oil seal housing bolts. Using the pry points located at the edge of the crankshaft rear oil seal housing, shear the RTV sealant.
  6. Remove and discard the crankshaft rear oil seal housing.
To install:
Click image to see an enlarged view
Fig. Install the 6 mm (0.236 in) guide pins into the 2 crankshaft rear oil seal housing corner bolt holes of the engine block-3.6L engine
  1. Install the 6 mm (0.236 in) guide pins into the 2 crankshaft rear oil seal housing corner bolt holes of the engine block.

    Click image to see an enlarged view
    Fig. Install the EN-47839 with the J-42183 (1, 2) onto the rear of the crankshaft flange-3.6L engine
  2. Install the EN-47839 with the J-42183 (1, 2) onto the rear of the crankshaft flange.

    Click image to see an enlarged view
    Fig. Place a 3mm (0.118 in) bead of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, to the NEW crankshaft rear oil seal housing as shown (1)-3.6L engine
  3. Place a 3mm (0.118 in) bead of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, to the NEW crankshaft rear oil seal housing as shown (1).
    NOTE
    DO NOT allow any engine oil on the area where the crankshaft rear oil seal housing is to be installed.
  4. Install the crankshaft rear oil seal housing to the engine block.
  5. Remove the 6 mm (0.236 in) guides from the engine block.
  6. Install the crankshaft rear oil seal housing bolts. Tighten the crankshaft rear oil seal housing bolts to 89 inch lbs. (10 Nm).
  7. Remove the EN-47839 and J-42183 (1, 2) from the crankshaft flange.
  8. Place the engine flywheel in position on the crankshaft.
  9. Install 2 NEW bolts in location at the top and bottom of the engine flywheel bolt pattern allowing the engine flywheel to hang in position.
  10. Install an engine holding tool.
  11. Install the remaining NEW engine flywheel bolts. Tighten the NEW engine flywheel bolts to 22 ft. lbs. (30 Nm). Tighten the NEW engine flywheel bolts an additional 45 degrees.
  12. Install the engine/transaxle.


These details will help.
Thanks.

FOR MORE HELP GO TO: ---

Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html


No comments:

Post a Comment