XT-6 4WD L6-2.7L SOHC (1988)
Fig. 31 Crankcase & oil pump. 6-163/2700cc engine
23.
Position crankcase so that cylinders 1, 3 and 5 face upward, then separate crankcase halves, Fig. 31.
24.
Remove coolant passage O-ring and back-up ring from crankcase, then the front and rear oil seals from crankshaft.
25.
Remove crankshaft and connecting rod assembly.
26.
Mark and remove pistons from crankcase halves, and mate pistons with respective pins. Keep all components in order to ensure proper
assembly. Components that are to be reused should be installed in original position.
27.
Remove main bearings from crankcase halves.
28.
Ensure all components are clean and free from foreign material, and that oil passages are clear. Coat all friction surfaces with oil or suitable
assembly lubricant.
29.
Seat bearings in connecting rods and rod caps, then install connecting rods on crankshaft noting the following:
a. Ensure connecting rod and cap matching marks are aligned, and install connecting rod assemblies with crescent shaped mark facing forward.
b. Lubricate connecting rod bolt threads and ensure bolts are properly seated in cap and that caps are fully seated against connecting rods.
c. Evenly tighten connecting rod nuts until specified torque value is obtained.
30.
Install main bearings into crankcase halves.
31.
Install crankshaft into lefthand crankcase, then fit O-ring and backup ring to crankcase coolant passage.
32.
Clean crankcase half mating surfaces with suitable solvent, then apply a thin bead of Three-Bond 1215 sealant or equivalent to one crankcase half.
Ensure sealant does not enter oil or coolant passages.