This bulletin applies to 2016-2017 Cadillac ATS-V and 2015-2017 CTS-V vehicles equipped with an LF3, LF4, LT1 or LT4 engine. If performing a service that requires the half-shaft bolts to be removed or replaced, only newly offered longer bolts and lock washers are required.
This bulletin applies to 2016-2017 Cadillac ATS-V and 2015-2017 CTS-V vehicles equipped with an LF3, LF4, LT1 or LT4 engine. If performing a service that requires the half-shaft bolts to be removed or replaced, only newly offered longer bolts and lock washers are required.
Three retainer assemblies are required per half-shaft. Each retainer requires 2 bolts and 2 lock washers. Where applicable, each axle assembly uses 3 retainer assemblies per side. Each repair kit contains 6 bolts and 6 washers (1 kit for each half-shaft).
Replacement of axle bolts are required during repair. The original shorter bolts feature a shank length of 50.0 mm. The new longer bolts, depending on application, have a shank length of 57.5-58.3 mm.
If the half-shaft has been separated from the differential:
Remove and discard only the half-shaft bolts.
If required, clean and reuse the retainers.
Replace the shorter bolts with new longer bolts
Install the new lock washers to the bolts
Install the bolt and washer into the retainer.
Torque to the specification found in the service manual
