Silverado 1500 2WD V6-4.3L (2007)
6. Loosely position the Y-pipe support braces w/integral U-bolt clamps (LH and RH) to the underside of the transmission rear mount and the
crossover pipe as shown. The top ends of the braces attach to the underside of the transmission rear mount. The bottom ends of the braces attach to
the crossover pipe using the integral U-bolt clamps. The braces support the LH leg of the Y-pipe where it crosses over the vehicle to meet the
Y-pipe collector.
7. Install the two nuts to the transmission rear mount and the two nuts to the U-bolt clamps.
Tighten
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Tighten the new transmission mount nuts to 25 Nm (18 lb ft).
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Tighten the two U-bolt clamps to 30 Nm (22 lb ft).
8. Lower the vehicle.
9. Verify that the condition has been fixed.
Parts Information
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Kit P/N 15076982 includes a flex coupler, two support brace rods w/integral U-bolt pipe clamps, two U-bolt pipe clamps (for use with flex
coupler) and two new transmission mount studs w/fasteners.
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Kit P/N 15076990 includes a flex coupler and two U-bolt pipe clamps.
Warranty Information
For vehicles repaired under warranty, use:
For locally obtained flex coupling, submit the amount into the NET amount field.
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