Counterbalance Shafts: Inspection

Measure balance shaft journal O.D. and balance shaft bearing I.D. Determine oil clearance. Replace components if not within specifications. See COUNTERBALANCE SHAFT SPECIFICATIONS table in this article.

COUNTERBALANCE SHAFT SPECIFICATIONS

Application

In. (mm)

Left Shaft

Journal O.D.

Front

.91 (23.1)

Rear

1.69 (42.9)

Oil Clearance

Front

.0008-.0024 (.020-.061)

Rear

⁽¹⁾ .0037-.0053 (.093-.135)

Right Shaft

Journal O.D.

Front ⁽²⁾

.83 (21.1)

Rear

1.69 (42.9)

Oil Clearance ⁽³⁾

Rear

⁽¹⁾ .0037-.0053 (.093-.135)

⁽¹⁾	Clearance is .0024-.0039" (.061-.099 mm) for Mazda B26000 models.

⁽²⁾	Specifications not available on Mazda B2600 models.

⁽³⁾	Oil clearance for front journal is not available from manufacturer.