Caterpillar GM 4.3L, G6 Gasoline Engine Service Manual 003103-up - PDF DOWNLOAD

Page 184

Check Pinion Clearance 1. With motor lead disconnected from solenoid, connect 12 volt battery to solenoid “S” terminal and drive housing. 2. Momentarily flash a jumper lead from solenoid “M” terminal to drive housing. Pinion will shift into crank position.

3. Push pinion back to take up any movement, and check clearance between pinion and retainer with a feeler gauge. The clearance should be 0.010 and 0.160 in. 4. Clearance is necessary to prevent wear on drive collar during cranking. Clearance is not adjustable. If not within limits, check for improper assembly or for worn parts.

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