1989 Volvo 740
The spark plugs should be changed every 30,000 miles (48,000 km). However, city driving or fast highway driving may necessitate
changing after 15,000 miles (24,000 km) of driving. When installing new plugs, be sure to fit the right type and use correct torque, see
"Specifications". When changing the plugs, check that the suppressor connectors are in good condition. Cracked or damaged connectors
should be replaced.
When changing spark plugs, clean the cables and cable terminals, also the rubber seals. If the car is driven on roads where salt is used during
the winter, coat the cables with silicone.
pg. 108 Brake fluid/clutch fluid, Power steering fluid
Brake fluid/Clutch fluid
The fluid level should be above the min mark.
Fluid type: DOT 4
Replace: Every second year or 30,000 miles (48,000 km). The brake fluid should be replaced once a year or every 15,000 miles (24,000 km)
when driving under extremely hard conditions (mountain driving etc.)
Check, without removing the cap, that the level is above the "MIN" mark of the fluid reservoir.
Always entrust brake fluid changing to an authorized Volvo dealer.
Power steering fluid
The fluid level should lie between the MIN and MAX marks on the dipstick (cool engine).
Check fluid level with engine idling and after driving while the fluid still is hot. Wipe the reservoir clean.
Fluid type: ATF
Replace: No fluid change required
pg. 109 Automatic transmission
Automatic transmission oil
Capacity: See "Specifications" section.
Fluid type: Automatic Transmission Fluid type Dexron IID.
Replace: Every 20,000 miles (32.000 km).
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