Opel Automobile Owner's Manual page 194

194 Service and maintenance
Service operations
Replace spark plugs
+
A 20 NHT, A 28 NET
Visually inspect ribbed V-belt
Replace ribbed V-belt,
A 16 XER, A 18 XER, A 16 LET,
A 20 NHT, A 28 NET, A 20 DTC,
A 20 DTJ, A 20 DTH, A 20 DTR
Replace ribbed V-belt of water pump - power steering pump
A 16 XER, A 18 XER, A 16 LET
Check valve clearance, adjust
+
A 16 XER, A 18 XER
Replace toothed belt and tension roller,
+
A 16 XER, A 18 XER, A 16 LET
A 20 DTC, A 20 DTH, A 20 DTJ
A 20 DTR
by year
3)
km (x 1000)
3)
miles (x 1000) 1)
1 2 3
15 30 45
10 20 30
Every 4 years / 60.000 km / 40,000 miles
Every 8 years / 120.000 km / 80,000 miles
X
Every 10 years / 150.000 km / 100,000
miles
Every 10 years / 120.000 km / 80,000 miles
Every 10 years / 150.000 km / 100,000
miles
Every 10 years / 150.000 km / 100,000
miles
Every 10 years / 120.000 km / 80,000 miles
4 5
60 75
40 50
X