Chrysler IIIH, Assembly Manual

Page: 54 / 100

Install the lower main bearings in the main caps (1 ‐ 4).
Part Numbers:
05184086AH
MAIN BEARING LOWER Grade 1
05184087AH MAIN BEARING LOWER Grade 2
05184088AH MAIN BEARING LOWER Grade 3
05184089AH MAIN BEARING LOWER Grade 4
05184090AH MAIN BEARING LOWER Grade 5
Note: Lubricate all main cap fasteners with EF‐411 prior to
installation as outlined in Section 4, wiping each fastener
with a lint free EF‐411 saturated rag to clean the excess
oil from each fastener.
Install the lower main bearing caps with bearings.
Snug the fasteners using a speed handle to draw the main
caps down uniformly to seat the main caps.
Back the fasteners off and check the forward and aft
movement of the crankshaft.
Torque the inner main cap fasteners to 20 N∙m (15 ft. lbs.)
plus 90° following the inside out pattern shown in View A.
Install the eight main bearing tie bolts. Tighten the bolts
in the sequence shown in View B to 28 N∙m (21 ft. lbs.).
Note: Crankshaft may be tight until side bolts are installed
and windage tray is torqued.
View A View B
Revision DRAFT
Short Block Assembly
Section 7
Mar‐16
Main Bearing / Crankshaft Installation
Sheet 8