OEM 2005 Buick Terraza Oil Cooler

2005 Buick Terraza Oil Cooler Parts and Q&A

• Q: How to replace the oil cooler on 2005 Buick Terraza?

  A: Begin the Oil Cooler replacement process by disconnecting the upper Oil Cooler outlet hose from the thermostat bypass pipe and the lower Oil Cooler outlet hose from the Oil Cooler before removing all correspondign hardware. Begin by disconnection of the cooler connector then move to detach the inlet hose clamp before removing the Oil Cooler. Begin by taking the Oil Cooler inlet hose through its clamp process from the Oil Cooler Hose fitting followed by unscrewing the fitting. Before fitting the component apply sealer (P/N 21485278) to Oil Cooler Hose fitting threads before installing it. Tighten the fitting to 19 nm (14 ft. Lbs.). Secure the Oil Cooler inlet hose clamp to the Oil Cooler Hose fitting and install the Oil Cooler inlet hose and clamp. Then reinstall the Oil Cooler unit. Start by connecting the Oil Cooler connector while tightening it to 50 nm (37 ft. Lbs.) then proceed with installing the Oil Cooler outlet hoses along with the pipe. To complete the installation connect the lower Oil Cooler outlet hose to the Oil Cooler while the upper Oil Cooler Hose should be connected to the thermostat bypass pipe.