Warning:Refer toHot Exhaust System Warning. Preliminary ProcedureRemove the catalytic converter heat shield.Refer toCatalytic Converter Heat Shield ReplacementRemove the exhaust flexible pipe. Refer toExhaust Flexible Pipe Replacement. | |
1 | Catalytic Converter Nuts (Qty:-4) Caution:Refer toFastener Caution. Caution:To prevent damage to the exhaust manifold flange or stud,make sure the flange is fully seated before tightening. ProcedureDisconnect the oxygen sensor electrical connector.Replace the exhaust front pipe nuts and the gasket with newones.Clean and inspect the studs on the engine cylinder head,replace as necessary.Verify that the studs are fully seated. Stud collar shouldtouch the surface of the engine cylinder head.Tighten nuts in a criss-cross pattern.TightenFirst Pass: 20-Y(15-lb-ft)Final Pass: 46-Y(34-lb-ft) |
2 | Gasket Tip: If replacing catalytic converter,transfer oxygensensor.Improperly installed and/or leaking exhaust manifold gasketsmay affect vehicle emissions and/or On-Board Diagnostics (OBD) IIsystem performance. |
3 | Catalytic Converter |
Engine Support Fixture Engine Block Engine Mounts
Special ToolsJ 28467-B Universal Engine Support FixtureJ 28467-7A Bolt HookJ-28467-13 Engine Support Fixture AdaptersJ 28467-34 Lift Hook Wing Nut and WasherJ 36462-A Engine Support Adapter Leg SetJ 42451-1 Engine Support AdapterGM P/N 11519137 4 Studs or equivalentInstallation ProcedureRemove the i ...