Audi A8 2003 - Safety regulations and test methods for pyrotechnic, electrical and mechanical components of the restraint system

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Procedure:
– Check coolant level (according to marking -illustration-) in ex‐
pansion tank with engine cold.
– If coolant level is too low: Add required amount (using correct
mixture ratio) ⇒ page 90 .
– If fluid losses are greater than can be reasonably expected:
First use a leak test determine the cause ⇒ Rep. gr. 19 ;
Cooling system/coolant; Checking cooling system for leaks .
3.47.3 Filling up coolant
Table of test values and procedure guidelines:
Frost protection to: Coolant additive: Water:
-25 ℃ approx. 40 % approx. 60 %
-36 ℃ approx. 50 % approx. 50 %
Procedure:
– Add required amount (using mixture ratio according to anti-
freeze protection specification in Maintenance table). Use the
table as a reference for the coolant mixture ratio.
Note
Small quantities of coolant can simply be topped up. Use the
cooling system charge unit - VAS 6096- to add larger quantities
of coolant.
3.48 Air cleaner: renewing filter element and
cleaning housing
Note
♦ Use only silicone-free lubricants when installing intake hoses.
♦ Secure all hose connections with hose clips (same as original
equipment); see Electronic parts catalogue (ETKA).
Audi A8 2003 ➤
Maintenance - Edition 06.2014
90 3. Maintenance