Nissan Titan A60. Manual - part 481

HOW TO SELECT PISTON AND BEARING

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Connecting Rod Bearing Selection Table

Connecting Rod Bearing Grade Table.

Undersize Bearings Usage Guide

• When the specified oil clearance is not obtained with standard size connecting rod bearings, use undersize

(US) bearings.

• When using undersize bearing, measure the bearing inside diameter with the bearing installed, and grind the

crankshaft pin so that the oil clearance satisfies the standard. 

   Bearing undersize table

Unit: mm (in)

CAUTION:

In grinding the crankshaft pin to use undersize bearings, keep

the fillet R (All crankshaft pins).

HOW TO SELECT MAIN BEARING

When New Cylinder Block and Crankshaft are Used

1. Apply the main bearing housing grade on the bottom face of the

cylinder block to the row in "Main Bearings Selection Table".

KBIA2538E

Grade number

Thickness “T”  mm (in)

Identification color (mark)

0

1.500 - 1.503 (0.0591 - 0.0592)

Black

1

1.503 - 1.506 (0.0592 - 0.0593)

Brown

2

1.506 - 1.509 (0.0593 - 0.0594)

Green

3

1.509 - 1.512 (0.0594 - 0.0595)

Yellow

Undersize

Thickness

0.25 (0.0098)

1.627 - 1.635 (0.0641 - 0.0644)

Fillet R

: 1.5 - 1.7 mm (0.059 - 0.067 in)

PBIC0111E

KBIA2495E

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HOW TO SELECT PISTON AND BEARING

2. Apply the journal diameter grade on the crankshaft front to the

column in "Main Bearings Selection Table".

3. Read the symbol at the cross point of the selected row and column in the "Main Bearings Selection Table".

CAUTION:

• Initial clearance for No. 1, 5 journal and No. 2, 3, 4 journal is different. Use two different selection

lists for each part. 

• No. 1, 5 journal and No. 2, 3, 4 journal have the same signs but different measures. Do not con-

fuse them. 

4. Apply the symbol to the "Main Bearings Grade Table" to select.

NOTE:

• Grade list applies to all journals.

• Service parts are available as a set of both upper and lower.

When Cylinder Block and Crankshaft are Reused

1. Measure the inside diameter of the cylinder block main bearings housing and the outside diameter of the

crankshaft journal.

2. Apply measurement in above step 1 to "Main Bearings Selection Table".
3. The following steps are same as in “When New Cylinder Block and Crankshaft are Used”. 

PBIC0110E

HOW TO SELECT PISTON AND BEARING

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Main Bearings Selection Table (No. 1 and No. 5 journal)

WBIA0608E

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HOW TO SELECT PISTON AND BEARING

Main Bearings Selection Table (No. 2, 3 and 4 journal)

Main Bearings Grade Table (All Journals)

Unit: mm (in)

WBIA0609E

Grade number

UPR/LWR

Thickness 

Identification color

Remarks

0

—

2.483 - 2.486 (0.0978 - 0.0979)

Black

Grade is the same for upper 
and lower bearings.

1

—

2.486 - 2.489 (0.0979 - 0.0980)

Brown

2

—

2.489 - 2.492 (0.0980 - 0.0981)

Green

3

—

2.492 - 2.495 (0.0981 - 0.0982)

Yellow

4

—

2.495 - 2.498 (0.0982 - 0.0983)

Blue

5

—

2.498 - 2.501 (0.0983 - 0.0985)

Pink

6

—

2.501 - 2.504 (0.0985 - 0.0986)

Purple

7

—

2.504 - 2.507 (0.0986 - 0.0987)

White            

8

—

2.507 - 2.510 (0.0987 - 0.0988)

Red