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How to Remove a Jeep Wrangler Exhaust Manifold

The Jeep Wrangler first appeared in 1987 as a replacement for the CJ model Jeeps developed at the beginning of World War II. The Wrangler is a sport utility vehicle (SUV) available in two- or four-wheel-drive. The Wrangler is also offered with either a soft convertible top or a removable hardtop. The Wranglers stock exhaust headers may need to be removed for repair, replacement or to install aftermarket tubular headers.

Instructions

1

Drive the vehicle onto a set of automotive ramps and chock the rear wheels. Allow the engine and exhaust system to cool before getting under the vehicle.

2

Crawl under the vehicle and locate the exhaust manifolds bolted to each side of the engine block. Note the location of the exhaust pipe connections on each manifold. Spray penetrating fluid onto the upper exhaust retaining bolts that thread into the underside of the exhaust manifolds and allow it to soak in for several minutes. Loosen and remove the bolts with a socket and ratchet wrench and set them aside.

3

Open the hood and loosen the negative battery cable clamp with a wrench. Lift the cable straight off of the terminal and push it aside. Locate the oxygen sensor wiring harness on the upper side of the drivers side exhaust manifold. Press the release tab on the connector and pull it straight out of the oxygen sensor and set it aside.

4

Locate the retaining bolts on the inside of each of the black plastic front fender flares. Remove the bolts with a socket and ratchet and pull each flare away from the front fender to create more working room to reach the exhaust manifold retaining bolts.

5

Label the spark plug wires with masking tape to show which cylinder they belong to. Grasp each plug wire from the base of the spark plugs and pull straight up to remove them to access the exhaust manifolds.

6

Unscrew the retaining bolts from the heat shield on the drivers side exhaust manifold with a socket and ratchet. Remove the heat shield from the engine bay and set it aside.

7

Remove the retaining bolts from the upper and lower mounting flanges on the drivers side exhaust manifold with the socket and ratchet. Caully work the manifold out of the engine bay. Repeat for this for the passengers side manifold.

Posted by Unknown at 8:45 PM

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Labels: a, exhaust, how, jeep, manifold, remove, to, wrangler