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Exhaust Manifold Replacement (1.8L LUW and LWE)

Fig 1: Exhaust Manifold Replacement Components
GM2906617Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
WARNING: Refer to Exhaust Service Warning .
Preliminary Procedure Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (1.8L LUW and LWE) .
1 Catalytic Converter to Flexible Exhaust Pipe Nut (Qty: 3)
CAUTION: Refer to Fastener Caution

Tighten 
22 N.m (16 lb ft)
2 Flexible Exhaust Pipe
3 Catalytic Converter to Flexible Exhaust Pipe Gasket
4 Exhaust Manifold Brace Bolt (Catalytic Converter To Brace) (Qty: 2)
Tighten 
20 N.m (15 lb ft)
5 Exhaust Manifold Brace Bolt (Brace To Engine Block) (Qty: 2)
Procedure 
NOTE: NOT necessary to remove the brace.

Loosen the exhaust manifold brace bolts.
Tighten 
20 N.m (15 lb ft) + 30 degrees + 15 degrees
6 Heated Oxygen Sensor
Tighten 
42 N.m (31 lb ft)
7 Catalytic Converter to Cylinder Head Nut (Qty: 9)
Tighten 
20 N.m (15 lb ft)
8 Catalytic Converter
9 Catalytic Converter To Cylinder Head Gasket