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1994 Volvo 850
If a two-post hoist is used to lift the car, the front and rear lift arm pads should be centered under the
reinforced lift plates on the inboard edge of the sill rail. The position of these plates is marked with
arrows molded into the bottom of the sill rail.
pg. 8:7 Servicing (cont.)
Torque exhaust and intake manifold nuts
A loose manifold could alter air/fuel ratio and cause an increase in emission and/or poor driveability.
Air cleaner
Replace the air cleaner cartridge with a new one every 30,000 miles (48,000 km). The cartridge should
be replaced more often when driving under dirty and dusty conditions. The filter cannot be cleaned and
therefore should always be replaced with a new one.
Vacuum fittings, hoses and connections
Unstable idle, misfiring, or poor emission control is often caused by leaking vacuum hoses or
connections. Check all vacuum hoses and connections.
Checking and adjusting idle air control system
Your Volvo is equipped with an electronically controlled idle air control system that requires no
checking or adjustment.
Timing belt
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