Toyota Highlander manuals

Toyota Highlander Service Manual: Exhaust pipe ASSY (3MZ-FE)

Toyota Highlander Service Manual / Exhaust / Exhaust pipe ASSY (3MZ-FE)

COMPONENTS

COMPONENTS


REPLACEMENT

NOTICE: Check if an old gasket remains on the pipe. If remains, remove it. Check if any bolts or nuts are rusted.

If rusted, replace them.

1. REMOVE HEATED OXYGEN SENSOR

REMOVE HEATED OXYGEN SENSOR


(a) Remove the 2 heated oxygen sensors (bank 1, 2 sensor 2).

2. REMOVE EXHAUST PIPE ASSY TAIL

REMOVE EXHAUST PIPE ASSY TAIL


(a) Remove the 2 bolts and pipe tail from the exhaust pipe center.

(b) Remove the pipe tail from the exhaust pipe supports.

3. REMOVE EXHAUST PIPE ASSY CENTER

(a) Remove the 2 bolts and pipe center from the exhaust pipe front No. 3.

(b) Remove the pipe center from the 4 exhaust pipe supports.

4. REMOVE EXHAUST PIPE SUB-ASSY FRONT NO.3

REMOVE EXHAUST PIPE SUB-ASSY FRONT NO.3


(a) Remove the 2 nuts and pipe front No. 3 from the exhaust manifold.

(b) Remove the 2 bolts and pipe front No. 3 from the exhaust pipe assy front.

5. REMOVE EXHAUST PIPE ASSY FRONT

REMOVE EXHAUST PIPE ASSY FRONT


(a) Loosen the clamp.

(b) Remove the 2 nuts and pipe.

6. INSTALL EXHAUST PIPE ASSY FRONT

(a) Install 2 new gaskets and the pipe with the 2 nuts.

Torque: 56 NVm (571 kgfVcm, 41 ftVlbf) (b) Tighten the clamp.

Torque: 21 NVm (214 kgfVcm, 15 ftVlbf)

7. INSTALL EXHAUST PIPE SUB-ASSY FRONT NO.3

INSTALL EXHAUST PIPE SUB-ASSY FRONT NO.3


(a) Install 2 new gaskets to the pipe front No. 3.

(b) Install the front pipe No. 3 to the pipe front with the 2 bolts.

Torque: 56 NVm (571 kgfVcm, 41 ftVlbf) (c) Install the front pipe No. 3 to the exhaust manifold RH with the 2 nuts.

Torque: 56 NVm (571 kgfVcm, 41 ftVlbf)

8. INSTALL EXHAUST PIPE ASSY CENTER

(a) Install the pipe center to the 4 exhaust pipe supports.

(b) Install a new gasket and the pipe center to the front pipe No. 3 with the 2 bolts.

Torque: 48 NVm (489 kgfVcm, 35 ftVlbf)

9. INSTALL EXHAUST PIPE ASSY TAIL

INSTALL EXHAUST PIPE ASSY TAIL


(a) Install the pipe tail to the exhaust pipe support.

(b) Install a new gasket and the pipe tail to the pipe center with the 2 bolts.

Torque: 48 NVm (489 kgfVcm, 35 ftVlbf)

10. INSTALL HEATED OXYGEN SENSOR

INSTALL HEATED OXYGEN SENSOR


(a) Install the 2 heated oxygen sensors (bank 1, 2 sensor 2).

Torque: 44 NVm (449 kgfVcm, 32 ftVlbf)

HINT:

11. CHECK FOR EXHAUST GAS LEAKS

If gas is leaking, tighten the areas necessary to stop the leak.

If damaged, replace it.

Exhaust pipe ASSY (2AZ-FE)
COMPONENTS REPLACEMENT NOTICE: Check if an old gasket remains on the pipe. If remains, remove it. Check if any bolts or nuts are rusted. If rusted, replace them. 1. REMOVE EXHAUST PIPE ASSY ...

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