Chevrolet Trax: Catalytic converter replacement (LUV)
Removal Procedure
WARNING: Refer to Exhaust Service Warning .
WARNING: Refer to Protective Goggles and Glove Warning .
- Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat
Shield Replacement
(LUV).
- Remove the catalytic converter heated oxygen sensor - 1. Refer to Heated
Oxygen Sensor Replacement
- Sensor 1 .
- Remove the catalytic converter to the turbocharger clamp fastener and
discard the clamp.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
.
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Fig. 12: Exhaust Front Pipe Fasteners & Gasket
- Remove the exhaust front pipe fasteners (1) and discard the exhaust
gasket (2).
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Fig. 13: Catalytic Converter Brace & Fasteners
- Remove the catalytic converter brace fasteners (1) from the catalytic
converter brace (2).
- Remove the catalytic converter.
Installation Procedure
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Fig. 14: Catalytic Converter Brace & Fasteners
- Install the catalytic converter into the catalytic converter brace (2)
and loosely tighten the fasteners (1).
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Fig. 15: Catalytic Converter V-Clamp
- Install a NEW clamp into the position shown and loosely tighten the
clamp fastener (1).
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Fig. 16: Exhaust Front Pipe Fasteners & Gasket
CAUTION: Refer to Fastener Caution .
- 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).
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Fig. 17: Catalytic Converter Brace & Fasteners
- Tighten the catalytic converter brace fasteners (1) to 22 N.m (16 lb ft).
- Lower the vehicle.
- Tighten the turbocharge clamp fastener to 13 N.m (115 lb in).
- Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat
Shield Replacement (LUV).
- Install the catalytic converter heated oxygen sensor - 1. Refer to
Heated Oxygen Sensor Replacement -
Sensor 1 .
- 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
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
.
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Fig. 18: Exhaust Muffler And Warm Up 3 Way Catalytic Converter
- 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).
- Support the exhaust muffler (2) with mechanics wire.
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Fig. 19: Catalytic Converter And Exhaust Front Pipe
- Remove the 2 fasteners (4) securing the warm up 3 way catalytic
converter (3) to the exhaust front pipe
(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.
- Discard the exhaust front pipe gasket (2).
Installation Procedure
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Fig. 20: Catalytic Converter And Exhaust Front Pipe
- Install a NEW exhaust gasket (2) onto the exhaust front pipe (5).
CAUTION: Refer to Fastener Caution .
- 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).
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Fig. 21: Exhaust Muffler And Warm Up 3 Way Catalytic Converter
- 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).
- Lower the vehicle.
- Start the engine and check for exhaust leaks.
READ NEXT:
Fig. 22: Exhaust Muffler
Exhaust Muffler Replacement (LUV)
EXHAUST MUFFLER REPLACEMENT (2HO)
Fig. 23: Exhaust Muffler (2HO)
Exhaust Muffler Replacement (2HO)
CATALYTIC CONVERTER HEAT SHIEL
EXHAUST SYSTEM DESCRIPTION
NOTE: Use of non-OEM parts may cause driveability concerns.
The exhaust system carries exhaust gases, treated by the catalytic converter,
through a resonator, if applicable
FIRING ORDER & CYLINDER IDENTIFICATION
NOTE: This information is intended as a quick reference for firing
order and cylinder
identification only. The information provided covers many vehicles and
SEE MORE:
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provide an overview of each diagnostic
category.
DTC Descriptors
DT
For assembly of the cylinder head. Refer to Cylinder Head Assemble.
CAUTION: Refer to Fastener Caution .
Install the cylinder head assembly parts:
Install the 3 engine lift bracket bolts and tighten to 22 (16 lb ft).
Install the timing chain tensioner. Refer to Timing Chain Tensioner
Inst