Barry & Cindy 1997 Foretravel U270 36 5/10/10 Check the single front ride height valve for leaks. It is located…
After two months in Utah, we fired up our 2004 U320 to head for Nacogdoches. Before we got out of…
There are several things that can be affected by improper ride height. All motor vehicles are designed to ride at…
The OEM rubber snap-on covers for the leveling valves fall off when they get old. Their purpose is to prevent…
Allison Part # 29552377 (this replaces earlier part # 29547934) Replaced 3/13/13 The Foretravel shop reported our retarder valve assembly…
INTRODUCTION This booklet provides information and guidance to motorcoach drivers who have the challenge of understanding and properly handling complex…
Foretravel has become aware of an issue where a weld on the transmission retarder accumulator mounting bracket may fail due…
by Barry Levitt 1997 U270 6/13/06 I did not install, but I watched and it was 6 years ago. I…
BRAKING THROUGH RESISTANCE. Allison’s hydraulic retarder is basically a vaned flywheel in the transmission housing. The transmission directs oil into…
by Allison Transmissions 1.0 PURPOSE In order to satisfy the different needs and desires of operators in a wide variety…