Toyota 4-Runner 1985 Repair Manual page 81

EM-52
ENGINE MECHANICAL - Cylinder Block
DISASSEMBLY OF CYLINDER BLOCK
1.
REMOVE OIL STRAINER
Remove the four bolts holding the oil strainer.
2. REMOVE REAR OIL SEAL RETAINER
Remove the five bolts, rear oil seal retainer and gasket.
3. MEASURE CONNECTING ROD THRUST CLEARANCE
Using a feeler gauge, measure the rod thrust clearance.
If clearance is greater than the maximum, replace the con-
necting rod.
Rod thrust maximum clearance: 0.30 mm (0.0118 in.)
4.
REMOVE CONNECTING ROD CAPS AND MEASURE OIL
CLEARANCE
(a) Using a punch or numbering stamp, mark the con-
necting rods and caps to ensure correct reassemb'
(b) Remove the rod caps.
Remove the rod cap nuts. Using a plastic hammer, tap
the rod bolts lightly and lift off the rod caps. Keep the
bearing inserted with the cap.
(c) Clean the bearings and crankshaft pins.
(d) Inspect each bearing for pitting and radial scratches.
If bearings are damaged, replace them.
(e) Lay a strip of Plastigage across the crankshaft pin.