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How to Change a Muffler on an S 10

While the muffler on your Chevy S-10 pickup does cut down the noise coming out of your exhaust, it also helps provide the proper back pressure and flow of exhaust gases out of the engine. The muffler and exhaust are designed to work with the engine to scavenge gases and allow more air and fuel to be fed in. If the exhaust has too much back pressure, it will reduce the intake capacity, and the engine in your S-10 will not run properly.

Instructions

1

Raise the rear of the truck off the ground using a jack then position a set of jack stands under the frame to support the truck. Remove the jack and set it aside.

2

Locate the muffler at the rear of the truck. It connects to a flange at the rear of the catalytic converter and has several rubber hangers supporting it.

3

Locate the two retaining bolts that join the muffler to the back of the catalytic converter. Remove the bolts by turning them counterclockwise with a ratchet and socket then separate the two flanges. Let the front of the muffler hang down.

4

Move to the body of the muffler and locate the two rubber isolators that support the muffler from above it on the frame. Remove the rubber isolators from the hanger pins on the muffler and lower the muffler down then remove it from under the truck.

5

Position a new muffler under your S-10 and raise it up to the rubber isolators. Push the mounting pins on the muffler into the rubber isolators on the frame.

6

Raise the front of the muffler up and mate the flange on the muffler to the flange on the catalytic converter. Install the two mounting bolts in the flanges and tighten the flange mounting bolts to 30 foot-pounds with a torque wrench.

7

Support the rear of the truck with a jack and remove the jack stands. Lower the truck to the ground and start the engine, listening for leaks in the exhaust.

Posted by Unknown at 10:45 AM

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