radiator MAZDA 232 1990 Suplement Owner's Manual

I
F2
fNSPECTlON ACTION
I Check if cootrng system IS OK’
YES Go to next step
No Repair or reptace
l Thermostat l
l Electric cooling fan * l Radiator*
5 Try known good ECU and check if condltlon Yes Replace ECU * rnproves
NO Change fuel to another brand or use
higher octane fuel
l Refer to 323 Workshop Manual [1203-l O-89F (Europe) or It 204-I O-89F (Australia)]. %%‘3OF2-748 -
F2-4 I

F2 TURBOCHARGERCONTROLSYSTEM
1. Radiator
2. Insulators
3.
Air hose, and air pipe
4. Oxygen
sensur connector
5. Front exhaust pipe
6. Bracket
1 I 93GOF2-765
93GOF2-761
7. Water hoses
8. Oil pipe
9. Oil return pipe
10. Exhaust
manifold and turbocharger
Removal Note . . . . . . . . . . . . . . . . . . . . . . .._.-........_ below
Installation Note . . . . ..__-.............._...___.._. below
93GOF2-763
Removal Note
Exhaust manifold and turbocharger
1. Remove the exhaust manifold and the turbocharger as an
assembly .
2. Remove the turbocharger from the exhaust
manifold.
InstaIlation Note
Exhaust manifold and turbocharger
1. Remove all gaskets and sealant.
2. Install new gaskets.
3. Supply 25 cc (1.5 cu in) of oil through the oil passage of
the turbocharger.
4. Install the turbocharger to the exhaust manifold.
5. Install the turbocharger and the exhaust manifold assem-
bly to the engine and loosely tighten the nuts.
6. install the bracket and the front exhaust pipe, and tighten
the turbocharger mounting nuts.
AIR BYPASS VALVE
Removal I Installation
1. Remove the vacuum hose and the air hoses from the air
bypass valve.
2. Remove the air bypass valve.
3. Install in the reverse order of removal.
Inspection
1. C_onnect a vacuum pump to air bypass valve port @-
2. Verify that air flows from port @through port @ when 250
f 35 mmHg (9.8 * 1.4 inHg) vacuum
is applied to port
0 a .