WenmarOpen by Wenmar Pro

Service bulletin S7580

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10191634
Published by NHTSA2021-05-04
Manufacturer's numberS7580
Manufacturer's date2021-04-30
NHTSA componentSTEERING

NHTSA's summary

V Stay Apex Housing Premature Failure

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Steering

Vehicles listed
MACK ANTHEM (AN)2020 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GR)2020 (the catalog's model; the bulletin names a series or trim of it)
MACK LR2020
MACK LR ELECTRIC2020
MACK PINNACLE (PI/PN)2020 (the catalog's model; the bulletin names a series or trim of it)
MACK TE2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20212482021-04-26. Steering
21V2930002021-04-26. STEERING
19V8960002019-12-16. STEERING:LINKAGES:DRAG:LINK:CONNECTION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
CBR 2515-1 1020252025-11-03. Service bulletin. CBR - Hard Steering Due to Steering Column Miter Box Corrosion – Inspection and Replacement Procedure
CBR-2375 2024052024-06-04. Service bulletin. CBR: ZF/TRW Steering Gear Side Cover Leak
SLM22-0042022-05-06. Service bulletin. Service Literature Published and Released in April, 2022
S76432022-05-05. Service bulletin. Steering Shaft at Miter Box, Inspection
KC-3452022-02-04. Service bulletin. Mack Chassis - Models GU / GR - Constant Correction To Center
KC-3452021-07-02. Service bulletin. Mack Chassis - Models GU / GR - Constant Correction To Center
K285015522019-02-19. Service bulletin. Mack Chassis - Models GU / CHU Steering Wander