How is torque measured on a head bolt?
Traditional head bolts are tensioned to a predetermined torque measured by a torque wrench. This torque reading is not an accurate measurement of the downward clamping load but rather an accumulated measurement of friction resistance between the two threads and the spot face and bolt head and the clamping pressure.
What kind of engine bracket does a 94.91 3800 have?
94.91 3800 II – FRONT Engine Mount Bracket to Engine Block Type: Bolt Bracket/Stay To Intake Manifold 2.92 35 3.96 3800 II – Throttle Cable Bracket
What are the torque specifications for a 3800 engine?
3800 II – EGR Valve to Intake Manifold Adapter Type: 37 444 50.17 Type: 55 660 74.57 3800 II – Engine to Transaxle Bolts Type: Bolt 50 600 67.79 3800 II – FRONT Engine Mount to Frame Nuts Type:
Do you need to replace TTY head bolts?
Some manufacturers also insist upon TTY head bolts being replaced on every removal while others only require the used TTY bolt to meet a relaxed length specification. While other manufacturers insist upon replacement yet supply a relaxed length specification. A fair amount of confusion still exists in this area.
When do you re torque the head bolts?
Tighten each head bolt in the same sequence as before while the engine is still warm. If the engine has an aluminum cylinder head or block; however, do not re torque the head bolts; until the engine has cooled back down to room temperature.
94.91 3800 II – FRONT Engine Mount Bracket to Engine Block Type: Bolt Bracket/Stay To Intake Manifold 2.92 35 3.96 3800 II – Throttle Cable Bracket
3800 II – EGR Valve to Intake Manifold Adapter Type: 37 444 50.17 Type: 55 660 74.57 3800 II – Engine to Transaxle Bolts Type: Bolt 50 600 67.79 3800 II – FRONT Engine Mount to Frame Nuts Type:
What causes a head gasket to go bad?
Improper surface finish is probably the second most common reason for gasket failures. This includes surfaces that are too rough and surfaces that are not flat. Another installer error is using a sealer on a coated composition head gasket. Some sealers will react with the gasket coating and turn it into goo.