NHTSA Complaint #11647131 — 2021 CHEVROLET SUBURBAN

[XXX] DIAGNOSE UNITS: 1.00 TECH(S) :1244 CUSTOMER STATES VEHICLE IS RUNNING ROUGH, MAKING A NOISE WHILE DRIVING COMING FROM THE REAR, PLEASE CHECK & ADVISE, FEELS LIKE RIGHT REAR WHEEL IS RUBBING checked over and found noise to be coming from rear differential. found bulletin #21-NA-028 for rear axle moan type noise on turns. followed service procedure per bulletin and drained and refilled rear diff service multiple times to correct customer concern. test drove vehicle after repair and noise is no longer present at this time. May be necessary to Drive vehicle multiple times to work lubricant into clutch pack. may require 1 more drain and refill if noise returns. If hesitation is still felt, recommend getting appointment set up for transmission diagnostic ARTS - - 0B # 1 - QTY - - - FP - NUMBER - [X] [XXX] -DESCRIPTION OIL 8.800 LIST PRICE-UNIT PRICE- $58.43 $58.43 JOB # 1 TOTAL PARTS JOB # 1 TOTAL LABOR & PARTS 179.00 $350.58 $350.58 $529.58 J# [XXX] *REAR DIFFERENTIAL UNITS: TECH(S) :1244 268.80 Added Operation [XXX] @ 03/05/2025 15:01) CUSTOMER REQUESTS PERFORM SYNTHETIC REAR DIFFERENTIAL SERVICE 3*#[XXX]& #[XXX] (07/22 AT TEMPERATURES OF 300 DEGREES & UP, TREMENDOUS STRESS IS PLACED ON THE DRIVE TRAIN LUBRICANTS. CONSEQUENTLY, THERMAL BREAKDOWN & DEPOSIT FORMATION HAVE BECOME COMMON, SHORTENING THE LIFE OF GEAR LUBRICANTS & THE COMPONENTS THEY ARE [XXX] SUPPOSED TO PROTECT. PERFORMED SYNTHETIC REAR DIFFERENTIAL SERVICE AND ADDED CONDITIONERS. INVE ARTS QTY - - - FP -NUMBER- -DESCRIPTION- - LIST PRICE-UNIT PRICE- ERANG JOB # 3 TOTAL PARTS 0.00 Company JOB # 3 TOTAL LABOR & PARTS $268.80 I am very disappointed at this dealership because they turn in the car and the problem is steel the same and they charge me $730.11 for a work that it was not done 😡 RADLEY CHEVROLET 11301 PATRIOT HWY FREDERICKSBURG, VA 22408 (540) 898-4000 WWW.RADLEYCHEVROLET.COM RADLEY CHEVROLET [XXX] Certified Service INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) INFORMATION REDACTED