S10/T10 Blazer 4WD V6-262 4.3L (1989)
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Adjust converter to center the mounting pins in the insulators. This equalizes the hanger load at the insulators (Figure 2).
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Move U-bolt back to original position and tighten.
3.
Settle the powertrain by shifting from DRIVE to REVERSE with automatic transmission or 1ST to REVERSE with manual transmission, at least
three times with engine at idle. Then turn engine off.
4.
Tighten all fasteners with the powertrain in a relaxed position (vehicle in neutral). Torque to specifications in Service Manual X-9129.
Note:
Be sure that the catalytic converter hanger and hanger pins are centered in the insulators, the pins should have 6.0-16.0 mm (1/4 in. - 5/8 in.)
clearance as shown in Figure 2.