Owner's Manual
Page 319
... throttleshaft. t A fluid loss in the floor pan or could letexhaustfumesseepintothepassenger compartments. TransferCase(all-wheeldrive) lnspectiont -Every 12 monthsorat oil changeintervals,checkfrontaxleandtransfercaseandaddlubricantwhen L Van)and allexposed necessary. Makesureanynecessaryrepairs are completedatonce. Periodic Maintenance Inspections Listedbelowareinspectionsandserviceswhichshould beperformedatleast twice a year (for leaking. You should let your GM dealer's service department or other qualified service center do these jobs.
... throttleshaft. t A fluid loss in the floor pan or could letexhaustfumesseepintothepassenger compartments. TransferCase(all-wheeldrive) lnspectiont -Every 12 monthsorat oil changeintervals,checkfrontaxleandtransfercaseandaddlubricantwhen L Van)and allexposed necessary. Makesureanynecessaryrepairs are completedatonce. Periodic Maintenance Inspections Listedbelowareinspectionsandserviceswhichshould beperformedatleast twice a year (for leaking. You should let your GM dealer's service department or other qualified service center do these jobs.