Chevrolet Trax: Catalytic converter replacement (LUV)

Removal Procedure

WARNING: Refer to Exhaust Service Warning .

WARNING: Refer to Protective Goggles and Glove Warning .

1. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LUV).
2. Remove the catalytic converter heated oxygen sensor - 1. Refer to Heated Oxygen Sensor Replacement - Sensor 1 .
3. Remove the catalytic converter to the turbocharger clamp fastener and discard the clamp.
4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig. 12: Exhaust Front Pipe Fasteners & Gasket

5. Remove the exhaust front pipe fasteners (1) and discard the exhaust gasket (2).

Fig. 13: Catalytic Converter Brace & Fasteners

6. Remove the catalytic converter brace fasteners (1) from the catalytic converter brace (2).
7. Remove the catalytic converter.

Installation Procedure

Fig. 14: Catalytic Converter Brace & Fasteners

1. Install the catalytic converter into the catalytic converter brace (2) and loosely tighten the fasteners (1).

Fig. 15: Catalytic Converter V-Clamp

2. Install a NEW clamp into the position shown and loosely tighten the clamp fastener (1).

Fig. 16: Exhaust Front Pipe Fasteners & Gasket

CAUTION: Refer to Fastener Caution .

3. Install the exhaust front pipe (3) to the catalytic converter with a NEW gasket (2) and tighten the fasteners (1) to 22 N.m (16 lb ft).

Fig. 17: Catalytic Converter Brace & Fasteners

4. Tighten the catalytic converter brace fasteners (1) to 22 N.m (16 lb ft).
5. Lower the vehicle.
6. Tighten the turbocharge clamp fastener to 13 N.m (115 lb in).
7. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LUV).
8. Install the catalytic converter heated oxygen sensor - 1. Refer to Heated Oxygen Sensor Replacement - Sensor 1 .
9. Start the engine and check for exhaust leaks.

WARM UP THREE-WAY CATALYTIC CONVERTER REPLACEMENT (2H0, LUV)

Removal Procedure

WARNING: Refer to Exhaust Service Warning .

WARNING: Refer to Protective Goggles and Glove Warning

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig. 18: Exhaust Muffler And Warm Up 3 Way Catalytic Converter

2. Loosen the exhaust clamp fastener (4) and remove the exhaust muffler (2), from the warm up 3 way catalytic converter (1), and the exhaust isolator (3).
3. Support the exhaust muffler (2) with mechanics wire.

Fig. 19: Catalytic Converter And Exhaust Front Pipe

4. Remove the 2 fasteners (4) securing the warm up 3 way catalytic converter (3) to the exhaust front pipe (5).
5. Remove the warm up 3 way catalytic converter (3) from the exhaust isolators (1) and remove the warm up 3 way catalytic converter from the vehicle.
6.  Discard the exhaust front pipe gasket (2).

Installation Procedure

Fig. 20: Catalytic Converter And Exhaust Front Pipe

1. Install a NEW exhaust gasket (2) onto the exhaust front pipe (5).

CAUTION: Refer to Fastener Caution .

2. Install the warm up 3 way catalytic converter (3) into the exhaust isolators (1) and the onto the exhaust front pipe (5). Tighten the fasteners (4) to 17 (13 lb ft).

Fig. 21: Exhaust Muffler And Warm Up 3 Way Catalytic Converter

3. Install the exhaust muffler (2) into the exhaust isolator (3) and the warm up 3 way catalytic converter (1).

   Tighten the exhaust clamp fastener (4) to 50 (37 lb ft).

4. Lower the vehicle.
5. Start the engine and check for exhaust leaks.

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