Removal & Disassembly
- Disconnect negative cables. Drain cooling system. Raise and support vehicle.
- Disconnect exhaust pipe at turbocharger for access to oil cooler if necessary. Remove oil cooler front header-to-cylinder block bolts. See Figure. Drain engine oil and remove oil filter.
- Disconnect retainer and cable from cylinder block heater. Cylinder block heater is located on driver-side rear corner of cylinder block, just below exhaust manifold, near oil filter.
- Remove oil cooler rear header-to-cylinder block bolts. See Figure. Remove oil cooler assembly and gaskets. Perform oil cooler leakage test to ensure oil cooler is not defective.