Cooling and heating systems — specifications (Opel Ascona C)

System type - Sealed (without coolant consumption), with expansion tank. The water pump is driven by a timing belt

Coolant Type/Specification - Ethylene Glycol Based Antifreeze (Duckhams Universal Antifreeze and Summer Coolant)

System capacity	Manual transmission	Automatic transmission cooling
1.3	6.3 l	7.1 l
1.6	7.9 l	7.7 l
1.8	7.6 l	7.4 l

Thermostat

Opening temperature:

• 1.3 — 91 deg.C
• 1.6 and 1.8 - 92 degrees C

Full opening temperature:

• 1.3 - 103 degrees C
• 1.6 and 1.8 - 107 degrees C

Expansion tank cap

Color - Blue or yellow

Opening pressure:

• Blue plug - 1.20-1.35 bar
• Yellow plug - 1.02-1.15 bar

Fan thermal switch (all models)

• Turn-on temperature - 97 degrees C
• Shutdown temperature - 93 degrees C

Tightening torque (Nm)

Water Pump Bolts:

• 1.3 — 8
• 1.6 and 1.8 - 25

Thermostat housing bolts:

• 1.3 — 10
• 1.6 and 1.8 - 15

Temperature sensor in the manifold - 10

Temperature sensor in the thermostat housing - 8

Original article on the web portal: OPELBOOK