Chevrolet Sonic Repair Manual: Warm Up Three-Way Catalytic Converter Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Emissions / Catalytic Converter / Warm Up Three-Way Catalytic Converter Installation

Install the warm up three way catalytic converter (5) to the brackets and

Install the warm up three way catalytic converter (5) to the brackets and the turbocharger. Use a NEW warm up three way catalytic converter seal (2).

Note:

Never re-use the V-clamp.

Install a NEW warm up three way catalytic converter V-clamp (1).
Install the 2 catalytic converter to catalytic converter bracket nuts (4) and (6) and hand tighten.
Hand tighten the catalytic converter V-clamp.
Connect the heated oxygen sensor wiring harness (3) to retainer clip.

The catalytic converter V-clamp (1) should be installed in the shown position.

Caution:

Refer to Fastener Caution.

Tighten the catalytic converter to catalytic converter bracket nuts to 22 Y (16 lb ft)
.
Tighten the catalytic converter V-clamp to 13 Y (115 lb in)
.

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Warm Up Three-Way Catalytic Converter Removal

Disconnect the heated oxygen sensor wiring harness (3) from retainer clip. Remove the 2 catalytic converter to catalytic converter bracket nuts (4) and (6). ...

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