Syclone V6-262 4.3L Turbo (1991)
Figure 2
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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.
4. 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.
5. Tighten all fasteners with the powertrain in a relaxed position (vehicle in neutral). Torque to specifications given in the S/T 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.
Some residual vibrations may be normal. Compare with a vehicle of same model, year, engine/transmission combination, etc. to get a feel for what is
normal.
WARRANTY INFORMATION:
For vehicles repaired under warranty, use:
Models
Labor Operation
Labor Time
S-trucks
J1507
2.3 hrs.
T-trucks
J1507
2.2 hrs.
