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1985 Volvo 740 GL, GLE, Turbo
Top up with coolant
Top up with coolant by filling the expansion tank when level is at the "MIN" mark. Use a mixture of 50
percent anti-freeze/summer coolant and 50 percent water all year round. Top up to the "MAX" mark.
If the engine is warm, and you are going to top up coolant, unscrew the cap slowly in order to
allow any excess pressure to escape.
NOTE: Do not top up with water only. Water by itself reduces the rust-protective and antifreeze
qualities of the coolant and has a lower boiling point. It can also cause damage to the cooling system if it
should freeze.
pg. 104 Drive belt
Checking the belt tension
The belt tension can be checked by depressing the fan belt (engine not running!) at a point midway
between the alternator and fan. It should be possible to press down the belt about l/4"-3/8" (5-10 mm).
This also applies to other drive belts on the engine.
Belt check
Check the belts regularly to make sure they are in good condition and are clean. Worn or dirty belts can
cause poor cooling and low alternator output as well as impair the operation of the power steering and
the air conditioning unit.
Belt adjustment and replacement
The belts can be difficult to reach and it is advisable to let your Volvo dealer adjust the tension of the
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