2012 Jeep Wrangler JK Factory Service Manual 09 - Engine, 2.8L Diesel

Engine Block

DESCRIPTION
BEARING SELECTION CHARTS

DESCRIPTION

DESCRIPTION

The 2.8L CRD Diesel engine uses a cast iron engine block. The cylinder block has increased stiffness that reduces structural flexing and a fractured connecting rod cap design that can not distort connecting rod cap fit.

BEARING SELECTION CHARTS

BEARING SELECTION CHARTS

Connecting Rod Bearings — Large End

Connecting Rod Journal Diameter — Connecting Rod Large End	Bearing Half	Connecting Rod Journal Diameter — Crankshaft
		D	C	B	A
		53.929 — 53.936	53.936 — 53.942	53.942 — 53.948	53.948 — 53.955
A 57.563 — 57.568	Upper Bearing Shell	Blue	Blue	Red	Red
A 57.563 — 57.568	Lower Bearing Shell	Yellow	Blue	Blue	Red

B 57.568 — 57.573	Upper Bearing Shell	Yellow	Blue	Blue	Red
B 57.568 — 57.573	Lower Bearing Shell	Yellow	Yellow	Blue	Blue

C 57.573 — 57.578	Upper Bearing Shell	Yellow	Yellow	Blue	Blue
C 57.573 — 57.578	Lower Bearing Shell	Green	Yellow	Yellow	Blue

D 57.578 — 57.583	Upper Bearing Shell	Green	Yellow	Yellow	Blue
D 57.578 — 57.583	Lower Bearing Shell	Green	Green	Yellow	Yellow

Crankshaft Bearings

Cylinder Block Seat Diameter	Bearing Half	Crankshaft Main Journal Diameter
		D	C	B	A
		64.974 — 64.981	64.981 — 64.987	64.987 — 64.993	64.993 — 65.000
A 69.000 — 69.005	Upper Bearing Shell	Blue	Blue	Red	Red
A 69.000 — 69.005	Lower Bearing Shell	Yellow	Blue	Blue	Red

B 69.005 — 69.010	Upper Bearing Shell	Yellow	Blue	Blue	Red
B 69.005 — 69.010	Lower Bearing Shell	Yellow	Yellow	Blue	Blue

C 69.010 — 69.015	Upper Bearing Shell	Yellow	Yellow	Blue	Blue
C 69.010 — 69.015	Lower Bearing Shell	Green	Yellow	Yellow	Blue

D 69.015 — 69.020	Upper Bearing Shell	Green	Yellow	Yellow	Blue
D 69.015 — 69.020	Lower Bearing Shell	Green	Green	Yellow	Yellow