Section 1 - Cylinder Block - Group 01 Cylinder Block - Inspection for Reuse (1-02) M11 Page 1-15 Use clean 15W-40 oil to lubricate the checking ring, Part No. 3376811, and the checking bar, Part No. ST-1177-16. Slide the checking bar through one of the centering rings. Install the checking ring, Part No. 3376811, on the check- ing bar. Slide the checking bar through the other centering ring. Inspect the checking bar for freedom of rotation. Use clean 15W-40 oil to lubricate the outside diameter of the checking ring. Push the checking ring through the bores to be inspected using light finger pressure on each side of the checking ring.
The checking ring must pass through each bore with slight resistance.