Toyota debuted the Highlander in 2001. Up thrust the vehicle and constitute confident the supports are secure.2. Remove the engine undercovers and then capture the front exhaust cylinder from both exhaust manifolds below the engine. Remove the four nuts to the EGR channel on the rear manifold and remove the tube.
Remove the Exhaust Manifold
1. Haul the denying battery cable from the terminal. There were two engine options, including the 3.0L V6 which offered 220 horsepower. The vehicle offers preferable handling and less clang than most SUVs and appealed to the dutiful Camry aggregation. The accomplished do-it-yourself mechanic can remove and install the rear exhaust manifold on the 3.0L V6 by closest the steps below.
Instructions
3. Disconnect the heated O2 sensor wiring from the equitable manifold and then proceeds off the manifold stay. Loosen the six nuts on the exhaust manifold. Pull the manifold from the engine.
Install the Exhaust Manifold
4. Disinfected the manifold surfaces to remove any gasket debris. Discard the geriatric gasket.
5. Install a fresh gasket and then rank the exhaust manifold over it. Locate the nuts in distance and finger-tighten them.
6. Torque the manifold nuts in sequence. Tighten them to 36 foot pounds in three passes.
7. Position the exhaust manifold stay in city. Tight the bolt to 15 foot pounds.
8. Reconnect the Hot Oxygen sensor wiring to the exhaust manifold. Connect the EGR pipe to the manifold and to the engine with new gaskets. Torque the nuts to 108 inch pounds.
9. Connect the front exhaust pipe to the exhaust manifold with a new gasket. Tighten the two nuts to 46 foot pounds. Replace the engine undercovers.
10. Attach the negative battery cable to the terminal. Lower the vehicle. Start the engine and check for exhaust leaks.
