Question 1

How to replace the muffler on Cadillac Escalade?

Accepted Answer

Begin the Muffler replacement by unlocking the spare tire wheel storage cylinder followed by taking out the spare tire and removing both rear tires and wheels. Connectors for the electronic suspension rear position sensor and rear shock need removal from both right and left side chassis harnesses after rpo code z55 identification. The link rod on the rear suspension sensor must not be pried away from the ball stud of the position sensor. From each sensor leverage the left and right sensor link rods by holding the sensor lever with your hand and twisting the rod away from the ball stud for removal. Position adjustable jack stands under the rear axle and detach the rear axle vent hose if installation requires it. Start by taking off the rear brake crossover pipe swivel clip securing the vent hose. Next disconnect the lower nuts and bolts that secure the rear shock absorbers. Access the Muffler by using adjustable jack stands to lower the rear axle slightly and remove exhaust Muffler nuts until the Muffler can be taken out of the insulators. To install the Muffler place exhaust insulator lubrication on the elements followed by reattachment of the Muffler to the insulators through use of exhaust Muffler nuts tightened to 40 nm (30 ft. Lbs.). Lift the rear axle through the adjustable jack stands before reinstalling its lower Shock Absorber bolts and nuts with a torque setting of 95 nm (70 ft. Lbs.). Reinstall the vent hose swivel clip to the rear brake crossover pipe and the rear axle vent hose following removal of the adjustable jack stands. Use j38185 hose clamp pliers (J38185) to secure sensor link rods to ball studs on sensor levers when rpo z55 is present. After reconnecting the left and right chassis harness electrical connectors that serve the electronic suspension rear position sensor and rear shock, reattach rear wheels to their respective tires before putting the spare tire back on the hoist and securing the spare tire wheel stowage lock cylinder.

Question 2

How to service the muffler on Cadillac DeVille?

Accepted Answer

Serviceable mufflers require initial procedures of vehicle lift and support combined with suitable intermediate pipe support with a jack. Cut the muffler section from the intermediate pipe before the weld while maintaining the cut closest to the joining point the tool allows. Start by removing the muffler from its hanger system then remove the entire muffler assembly. Start by properly placing the muffler before you secure the muffler hanger. Install the intermediate pipe to the muffler with the clamp having its nuts facing out from the vehicle exterior. Check for proper space between the muffler and intermediate pipe before tightening the clamp nuts to 40 Nm (30 ft. lbs.). Finally, lower the vehicle.

Question 3

How to replace the right side exhaust muffler on Cadillac XLR?

Accepted Answer

To take out the right side exhaust Muffler, lift and securely lift the vehicle. Softly take the clamp off on the right hand side exhaust Muffler and slide it out of the hanger to remove the right hand Muffler. In the case of the installation, mark based on the location of the band clamp on the intermediate pipe and grind off the weld to remove the Muffler band clamp. Put on a new Muffler band clamp on the intermediate Exhaust Pipe and attach the right Muffler, sliding it over the hanger. Mount the new Muffler band clamp onto the intermediate Exhaust Pipe based on the earlier made alignment mark, so that the clamp bolt is not located below the Exhaust Pipe. Finally, align the right side exhaust Muffler clamp by applying 44 nm (32 lb ft) torque and now lower the vehicle.

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