Toyota Supra 1990 Manual page 144

TC-10 TURBOCHARGER SYSTEM - Turbocharger
EM6251
EM6252
EM6253
REMOVAL OF TURBOCHARGER
(See page TC-9)
1. DISCONNECT CABLE FROM NEGATIVE TERMINAL OF
BATTERY
CAUTION: Work must be started after approx. 20 se-
conds or longer from the time the ignition switch is turned
to the "LOCK" position and the negative (-) terminal ca-
ble is disconnected from the battery.
2. DRAIN COOLANT
3. REMOVE NO.4 AIR CLEANER PIPE WITH NO.1 AND NO.2
AIR CLEANER HOSES
4. REMOVE NO.7 AIR CLEANER HOSE WITH AIR FLOW
METER AND AIR CLEANER CAP
(a) Disconnect the three air hoses and PCV hose.
(b) Disconnect the air flow meter connector.
(c) Disconnect the PS idle up air hose.
(d) Loosen the clamps and remove the bolt.
(e) Remove the No.7 air cleaner hose with air flow meter
and air cleaner cap.
5. REMOVE TURBO HEAT INSULATOR
(a) Disconnect the oxygen sensor connector.
(b) Remove the three nuts, plate washer and turbo heat
insulator.