Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

6-134 Marine/Industrial 4.3L Engine
188467
11.2. Tighten the crankshaft bearing cap bolts on the final
pass an additional 73 degrees using the J 36660.
12. Measure the crankshaft end play.
12.1. Firmly thrust the crankshaft rearward, and then
forward.
This will align the crankshaft rear bearing thrust
surfaces.
12.2. With the crankshaft pushed forward, insert a feeler
gauge between the crankshaft and the crankshaft rear
bearing thrust surface to measure the clearance.
Specification
Crankshaft end play 0.05-0.20 mm (0.002-0.008 in)
13. Rotate the crankshaft in order to check for binding.
A bent crankshaft or lack of proper crankshaft bearing
clearance may cause binding.
14. If the crankshaft does not turn freely, loosen the crankshaft
bearing cap bolts on 1 crankshaft bearing cap at a time in
order to determine the location of the binding.
A lack of proper crankshaft bearing clearance may be
caused by the following:
• Burrs on the crankshaft bearing cap
• Foreign material between the crankshaft bearing and the
engine block
• Foreign material between the crankshaft bearing and
the crankshaft bearing cap
• Damaged crankshaft bearing
• Improper size crankshaft bearing
Crankshaft Rear Oil Seal and Housing Installation
Tools Required
J 35621-B Rear Main Seal Installer
Notice: Refer to Fastener Notices in Cautions and Notices.
1. Install the crankshaft rear oil seal housing retainer stud.
Tighten
Tighten the crankshaft rear oil seal housing retainer stud to
6 N•m (53 lb in).
334326
2000 Marine/Industrial