Preliminary ProceduresIf equipped with FWD, raise and support the vehicle. Refer toLifting and Jacking the Vehicle.If equipped with AWD, lower the front suspension frame. Refer toDrivetrain and Front Suspension Frame Replacement. | |
1 | Heated Oxygen Sensor Caution:Refer toHeated Oxygen and Oxygen Sensor Caution. Caution:Refer toFastener Caution. Tip:A special anti-seize compound is used in the HO2S threads. The compound consists ofliquid graphite and glass beads. The graphite tends to burn away, but the glass beadsremain, making the sensor easier to remove. New, or service replacement sensors alreadyhave the compound applied to the threads. If the sensor is removed from an exhaustcomponent and if for any reason the sensor is to be reinstalled, the threadsmust have anti-seize compound applied before reinstallation. ProcedureDisconnect the heated oxygen sensor harness connector.If reinstalling the old sensor, coat the threads with anti-seize compound. Refer toAdhesives, Fluids, Lubricants, and Sealers.Tighten42-Y (31-lb-in) |
High Strength Low Alloy Steel
This information provides repair recommendations and generalguidelines for steel classified as High Strength Low Alloy Steel,also known as HSLA. This type of steel normally has a tensilestrength range from 300–700-MPa.General Motors recommends the following when repairing orreplacing this type of ...