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The Catalytic Converter Location on a 1988 Chevy K2500

The original catalytic converter on the 1988 Chevy K2500 was a flat, broad, pellet-filled component. Chevy used this style converter until the mid 1990s. The bottom of the converter featured a fill plug that would often erode from exposure and leak the ceramic pellets out from inside the shell. While replacement plugs were available, most aftermarket companies replaced the converter with a canister-shaped direct-fit converter with an internal ceramic honeycombed substructure.

Instructions

1

Park the 1988 Chevy K2500 on a level surface, turn the engine off and apply the parking brake.

2

Put on the safety glasses and crawl under the passengers side of the vehicle (behind the front tire) with the shop light or a flashlight.

3

Follow the exhaust tubing on the passengers side to the engine connection. The front pipe of the K2500 features a Y-pipe connected to both the drivers side and the passengers side of the engine.

4

Follow the Y-pipe back to the next component behind it. It will either be a large, broad, flat component or a round canister with an external heat shield spot-welded to the outer shell. This component is the catalytic converter. Depending on the size of the wheel base of the K2500, behind the converter there may be a small to medium length connector pipe leading to the muffler and the tailpipe. The connector pipe routes over the rear axle and out toward the rear bumper, all on the passengers side.