Service bulletins for the 2020 Mack Granite
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
260 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Glass, wipers and mirrors are shown. Show all
| CBR 2432-2 202601 | 2026-02-03. Service bulletin. STRUCTURE:BODY; VISIBILITY/WIPER. CBR - Mack Chassis - AN And GR Models - Door Glass Shattering. |
|---|---|
| CBR-2432 202501 | 2025-02-04. Service bulletin. VISIBILITY/WIPER. This CBR solution provides detailed instructions for diagnosing and addressing window glass shattering issues, including replacement specifications, interference checks, fastener verification, and reinforcement tab adjustments to ensure proper installation and functionality. |
| M-371-004 | 2023-01-03. Service bulletin. EQUIPMENT:ELECTRICAL; VISIBILITY/WIPER. TBS- Jumper Harness,Wiper Motor,Replacement |
| FSB 801-004 | 2020-11-01. Service bulletin. VISIBILITY. Cab Door Glass Bracket, Installation |
| K63001042 | 2019-12-09. Service bulletin. VISIBILITY. Mack Chassis - SNM16 - 015 Updated Wiper Mechanism for One Piece Windshield; Windshield Wipers Leaving Streaks Or Not Clearing Center Of Windshield |
| SNM19-001 | 2019-04-22. Service bulletin. EQUIPMENT; VISIBILITY. Please be advised the optional Right Hand Side Down View Mirror will not be installed on vehicle models AN, PI, GR from the factory effective immediately. This is a result of a quality issue that has been discovered. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.