02-05-2017, 06:09 PM
If it is like mine the check valve is on the air line feeding the 3 gallon air tank on the front wall of the RR wheelwell.
Check out the schematic: http://newellgurus.com/showthread.php?tid=2674
Check out the schematic: http://newellgurus.com/showthread.php?tid=2674
Steve Bare
1999 Newell 2 slide #531