How to Replace the Exhaust Manifold in a Nissan Sentra

The Nissan Sentra was first manufactured in 1973 under Datsun. It carried both the Datsun and Nissan emblems in 1983. The first generation was produced through 1988. Known for reliability and fuel economy, many of the early Sentras are still on the road. You can change the exhaust manifold in the first generation Sentra with relative ease.

Instructions

Remove the Exhaust Manifold

1

Take off the air cleaner assembly in order to access the exhaust manifold. Remove the heat shield (if applicable).

2

Locate the exhaust pipe as it exits the exhaust manifold and disconnect it. Disconnect the intake manifold from the exhaust manifold (unless both are being removed).

3

Remove the temperature sensors from the manifold. Locate the other air induction pipes and attachments and remove them from the manifold. Disconnect the EAI and the EGR Tubes from the fittings (E series manifolds).

4

Loosen the nuts on the manifold and remove them. Lift the manifold from the engine.

Install the Exhaust Manifold

5

Install the new exhaust manifold. Tighten the nuts to specification.

6

Reconnect the temperature sensors to the manifold. Connect the air induction pipes and other attachments to the manifold. Connect the EAI and EGR tubes to their fittings (E series manifolds).

7

Connect the exhaust pipe to the exhaust manifold. Replace the intake manifold and connect it to the exhaust manifold.

8

Set the heat shield back in place. Replace the air cleaner assembly.