Mitsubishi 3000GT 1991, Service Manual

Page: 41 / 1146

GENERAL
Maintenance Service
3. AIR CLEANER ELEMENT (Replace)
MOOSAKH
The air cleaner element will become dirty and loaded with dust
during use, and the filtering effect will be substantially reduced.
Replace it with a new one.
<Non-Turbo>
(1) Disconnect the air-flow sensor connector.
(2) Remove the air intake hose from the air-flow sensor.
(3) Unclamp the air cleaner cover.
(4) Remove the air cleaner cover and air-flow sensor.
Caution
Remove the air cleaner cover with care not to give
shock to the air-flow sensor.
(5) Take out the air cleaner element.
<Turbo>
(1) Remove the clutch booster vacuum pipe mounting bolt.
(2) Disconnect the air-flow sensor connector.
(3) Remove air intake hose A from the air-flow sensor.
(4) Unclamp the air cleaner cover.
(5) Remove the air cleaner cover and air-flow sensor.
Caution
Remove the air cleaner cover with care not to give
shock to the air-flow sensor.
(6) Take out the air cleaner element.
4. SPARK PLUGS (Replace)
The spark plugs must fire properly to assure proper engine
performance and emission-control.
Therefore, they should be replaced periodically with new ones.
Spark plug
NGK
1
NIPPON DENS0
1
Spark plug gap: 1.0 1.1 mm in.)
NOTE
For the platinum plug, use care not to damage the platinum tip.
Specified torque: 25 Nm (15
5. TIMING BELT (Replace)
Replace the belt with a new one periodically to assure proper
engine performance.
For removal and installation procedures, refer to GROUP 11
Timing Belt.
TSB
Revision