BENDIX TCH-013-011 Fascicule

This Bulletin is to alert vehicle technicians repairing or upgrading Bendix

®

 ABS modulators, that it may be necessary 

to replace both modulators on the axle to maintain the vehicle’s ABS operation to specifications.
Please see the chart below for the applicable replacement guidelines.

© 2005 Bendix Commercial Vehicle Systems LLC 12/05.   All Rights Reserved.   Printed in U.S.A.

For more information on Bendix modulators, see Service Data sheets:
M-21™ and M-22QR™ modulators: SD-13-4793

M-30™ modulators: SD-13-4830

M-32™ and M-32QR™ modulators: SD-13-4870
Free downloads are available on www.bendix.com.

* All M-32QR™ modulators except some p/n 5011281 (Bluebird) have the shorter exhaust port.

Bendix

®

 M-32QR™ and M-32™ modulators should be replaced like for like.

Please  note  that  due  to  the  critical  safety  function  provided  by ABS  modulators,  Bendix  does  not  assume 

responsibility for antilock system reliability or performance issues in situations where a substitute non-Bendix

®

 ABS 

modulator valve is used on a vehicle equipped with Bendix

®

 ABS.  In addition, the use of alternate components 

in place of genuine Bendix

®

 components could lead to rejection of ABS warranty claims.

It is necessary 

to replace both 

modulators on the 

axle with M-30

™

 

modulators

It is necessary 

to replace both 

modulators on the 

axle with M-30

™

 

modulators

It is necessary 

only to replace the 

modulator with an 

M-30

™

 modulator

It is necessary 

to replace both 

modulators on the 

axle with M-32QR

™

 

modulators

It is necessary 

to replace both 

modulators on the 

axle with M-32QR

™

 

modulators

It is necessary only to 

replace the modulator 

with an M-32QR

™

 

modulator

It is necessary 

only to replace the 

modulator with an 

M-32

™

 modulator

It is necessary 

only to replace the 

modulator with an 

M-32

™

 modulator

It is necessary 

to replace both 

modulators on the 

axle with M-32

™

 

modulators