Catalytic Converter Replacement - 1.4L LUH and LUJ (Engine Exhaust)

Make

Vauxhall

Model

Astra J

Section

Engine Exhaust › Repair Instructions › Catalytic Converter Replacement - 1.4L LUH and LUJ

EngineCatalytic Converter Replacement - 1.4L LUH and LUJ

Catalytic Converter Replacement (1.4L LUH and LUJ) Callout Component Name Warning: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool. Warning: Always wear protective goggles and gloves when removing exhaust parts as falling rust and sharp edges from worn exhaust components could result in serious personal injury. Caution: Do not bend the exhaust flex pipe more than 10 degrees in any direction. Bending of more than 10 degrees or twisting in a range of ±0.5 degrees will damage the exhaust flex decoupler. Preliminary Procedures 1. Raise and support the vehicle. Refer to . Lifting and Jacking the Vehicle 2. Disconnect the heated oxygen sensor wiring harness plug. 1 Exhaust Front Pipe to Exhaust Muffler Nut (Qty: 2) Caution: Refer to Fastener Caution . Caution: Refer to Torque-to-Yield Fastener Caution . Procedure 1. Support exhaust muffler with a jack. 2. Install NEW nuts, do NOT reuse old nuts. Tighten 17 N·m (13 lb ft) 2 Exhaust Front Pipe Gasket to Exhaust Muffler 3 Catalytic Converter to Exhaust Front Pipe Nuts (Qty: 3) Procedure Install NEW nuts, do NOT reuse old nuts. Tighten 22 N·m (16 lb ft) 4 Catalytic Converter to Exhaust Front Pipe Gasket 5 Drivetrain and Front Suspension Frame Support Bolts - M10 (Qty: 2) Procedure Install NEW bolts, do NOT reuse old bolts. Tighten 60 N·m (44 lb ft) +30°-45° 6 Exhaust Pipe Front Hanger Bracket Bolts - M8 (Qty: 2) Tighten 22 N·m (16 lb ft) 7 Exhaust Pipe Front Hanger Insulator Nuts (Qty: 2) Tighten 17 N·m (13 lb ft) 8 Exhaust Pipe Front Hanger Bracket 9 Exhaust Muffler Insulator (Qty: 2) 10 Exhaust Front Pipe Assembly 11 Heated Oxygen Sensor Tighten 42 N·m (31 lb ft)

11 Engine