Q: What is the recommended torque for the water pump bolts?
A:
The recommended torque is 10 N.m (89 lb in).
By Bob
GM Specialist
02/11/2022
Q: What kind of special tools will be used in the removal of the Water Pump (LY7)?
A:
EN 46104 Water Pump Pulley Holding Tool.
By Bob
GM Specialist
02/11/2022
FAQ for Other Repair Info
Q: What should you note during the removal of the Radiator Cap?
A:
You should remember not to remove the Radiator Cap or surge tank cap while the engine is hot.
Q: How many plastic retainers does Radiator Upper Grille have?
A:
It has a total of 4 Radiator upper grille plastic retainers.
Q: What is the removal procedure for the Engine Coolant Thermostat Housing (LY7)?
A:
Disconnect the heater hoses, remove the thermostat, the Thermostat Housing bolts, and the thermostat housing with the heater pipes, hoses, and bolts, and clean the sealing surfaces with a plastic gasket scraper such as J 28410 or equivalent.