X-90 (2WD) L4-1591cc 1.6L SOHC MFI (1997)
/l4-1591cc_1.6l_sohc_mfi/Page-233002.png)
its limit, regrind or replace crankshaft.
Limit On Out-of-Round And Taper: 0.01 mm (0.0004 inch)
MAIN BEARINGS
General Information
^
Service main bearings are available in standard size and 0.25 mm (0.0098 inch) undersize, and each of them has five kinds of bearings differing in
tolerance.
^
Upper half of bearing has oil groove as shown in figure. Install this half with oil groove to cylinder block.
^
On each main bearing cap, arrow mark and number are embossed as shown in figure. When installing each bearing cap to cylinder block, point
arrow mark toward crankshaft pulley side and install each cap from that side to flywheel side in ascending order of numbers " 1", "2", "3", "4" and
"5." Tighten cap bolts to specified torque.
Inspection
Check bearings for pitting, scratches, wear or damage. If any malcondition is found, replace both upper and lower halves. Never replace one half
without replacing the other half.
MAIN BEARING CLEARANCE
Check clearance by using gaging plastic according to following procedure:
1. Remove bearing caps.
2. Clean bearings and main journals.
