It is light to modify a muffler. As far as motorcar preservation goes, muffler replacement is one of the simplest tasks you can undertake, if the bolts are not rusted in community (nevertheless, they normally are). Even, stuck bolts aside, replacing a muffler is big automobile preservation that honest approximately anyone with basic mechanic tools should be able to all without extremely many complications.
Instructions
Remove the Old Muffler
1. Up thrust the motorcar. Before you can interchange a muffler, you enjoy to be able to receive to it. Firmly flotation the vehicle on a lift, jack stands or ramps. Never gratify under a automobile supported onliest by a jack.
2. Whether you end call for to application a torch, lower the exhaust system as far as feasible before you commence applying heat. Carefully heat the bolts with the torch, then at once dab to loosen them. Whether all else fails, you may need to chop the muffler bolts with a hacksaw.6.
Spray the bolts liberally with a penetrating lubricant, such as PB Blaster. Tap the flanges that clout the bolts a unusual times with a hammer or wrench to receive the lubricant to begin working its road into the rust. Let it occupation for a while. Whether your bolts are severely rusted, you may charge to spray them heavily and let it sit for up to Day and night.
4. Call your floor jack to hoist the muffler Sufficiently to abbreviate tension on the muffler hangers. Then appropriateness your hands to pull the hangers off.
5. Unbolt the muffler with ratchets, box wrenches or crow's foot wrenches. Whether the penetrating lubricant has not functioning to loosen the bolts, you may extremity to capitalization a propane torch to Proceeds them. Contemplate your muffler setup. It should be held to remainder of the exhaust step by three or four bolts per cylinder. It should attach to the oppose of the motorcar with rubber muffler hangers.3.
Lower the muffler with the floor jack. Make sure it is balanced so it does not fall on you. Get someone to help you to prevent the muffler from falling onto your face, if possible. The gaskets that seal the two sections of exhaust should fall away. Snug up the muffler hanger brackets by retightening the bolts you loosened in Step 4 of Section 1. The muffler will now be firmly attached to the vehicle.13.
8. Loosen the muffler hanger brackets by loosening the bolt that holds them to the main vehicle.
Replace the Muffler
9. Replace a muffler by balancing the new muffler on the floor jack. Raise it until you can fasten it to the forward sections of the exhaust system.
10. Attach the muffler to the forward sections of exhaust with new bolts and nuts. Use a ratchet or wrenches. Be certain not to neglect placing the replacement gaskets in between the two sections of exhaust.
11. Hang the replacement muffler from the body with new exhaust hangers. Simply raise the muffler to the highest level you can with the floor jack, being careful not to crush it against the bottom of the car. Slip the new hangers over the mounting brackets on the muffler itself and on the car body.
12. Lower the floor jack until the muffler is at the desired height. If they do not, tap them with a hammer to remove them.7. Clean the forward mating surfaces of the exhaust with a rag and automotive cleaner.
Remove the floor jack. Carefully start the car and check the attachment point for leaks. Move your hand around the attachment points and feel for pulsating air. If you have a leak, check the tension on the bolts. If the bolts are firm, then you probably neglected to reinstall the gaskets properly. Separate the exhaust and try again.
14. Turn the car off, carefully lower it to the ground, and you are done.
