Vauxhall Workshop Service and Repair Manuals

Pressures for Brake Proportioning Valve - Check for Saloon and Convertible (as of MY '95)  

Engine version or model	Ident. No. for Lead and Switch-over pressure at Valve Housing	Input overpressure, read off manometer on front axle in kPa (bar)	Output overpressure, read off manometer on rear axle in kPa (bar)
16 LZ2	3/2.5	500 (5)	500 (5)
		6000 (60)	3550 ± 200
			(35,5 ± 2)
		10000 (100)	4750 ± 300
			(47,5 ± 3)
X 16 XEL	3/38-85	500 (5)	500 (5)
		6000 (60)	4460 ± 200
			(44,6 ± 2)
		10000 (100)	5660 ± 300
			(56,6 ± 3)
X 20 XEV	3/2.0-7.0	500 (5)	500 (5)
		6000 (60)	3200 ± 200
			(32 ± 2)
		10000 (100)	4400 ± 300
			(44 ± 3)