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Toyota VAN Engine Information

The following technical bulletins were published by AERA.

FLYWHEEL SPECIFICATIONS FOR AUTOMOTIVE APPLICATIONS

                      Flywheel Specifications For
                        Automotive Applications

The AERA Technical Committee suggest referring to the following
specification chart when resurfacing flywheels. 

Specifications listed for S (Step) type flywheels refer to the height of the wear surface above the pressure plate mounting surface. Specifications for C (Cup) type flywheels refer to the height of the pressure plate mounting surface above the wear surface. F (Flat) type flywheels have the same height specification for the  wear and pressure plate mounting surface. 


Manufacturer        Type               Dimension           Comments
                                                            
AMC                          C                    .125               2.5 GM ENGINE

ACURA                     C                    .030               1.6 DOHC INTEGRA
                                  C                    .060-.070       2.7 SOHC LEGEND
ALFA ROMEO          C                     .878              3.0 DOHC SPIDER
                                  C                      .878             116,119 MILANO GT
AUDI                         S                    .003-.005       1.6 TURBO DIESEL
                                                                                        YH,YK,YM EFI
                                  C                      .982              2.1 5000 GAS            

BMW                         S                     .013-.015       2.0 EFI 320I
                                  F                     .984 MIN THICK   2.7 325E,528E

CHRYSLER             S                      .012              1.4 RENAULT 
                                 F                      FLAT              1.5 MMC COLT
                                 C                   .600-.605         2.0 TALON, LASER        
                                 F                      FLAT              2.0 SOHC                
                                C                     .600-.605        2.0 DOHC TALON, COLT VISTA
                                 F                      FLAT              2.2 TBI SHELBY
                                 F                      FLAT              2.4 COLT VISTA
                                C                     .600.608         3.0 DOHC V6
                                C                     .605-.615        3.0 VIN K DOHC V6
                                C                     .605-.615        3.0 MMC SOHC MFI        
                                C                     .603-.608        3.0 MMC MFI VIN U
                                C                       1.000            3.7 APPLICATIONS

FIAT                       S                         .060             1.1 YUGO
                               S                         .018             1.8 DOHC SPIDER 

FORD                    C                   1.140-1.160       MODEL A 
                              C                        .020             1.3 MAZDA, FESTIVA, ASPIRE 99H
                              C                        .020             1.3 2BC SOHC MAZDA
                              S                      .018-.020        1.6 MAZDA, TRACER, CAPRI      
                              S                       .770                1.8 ESCORT, TRACER, DOHC 
                              C                       .285                1.8 COURIER ONLY 
                              F                       FLAT                1.9 ESCORT
                              S                      .020                  2.2 PROBE 12 VALVE MAZDA
                              C                      .785                  2.2 PROBE 12 VALVE MAZDA
                              F                      FLAT                  2.3 OHC TBI MFI 
                              F                      FLAT                  2.3 TURBO DIESEL     
                              C                     1.000                  2.4 MERCURY COMET       
                              C                     1.000                  2.8 MERCURY COMET       
                              C                      .003                   2.8 RANGER V6
                              S                   .000-.003              2.9 V6 BRONCO RANGER
                              C                      .003                   2.9 V6 MERKUR
                              F                      FLAT                     3.0 V6 CAR & TRUCK
                              S                   .003-.005                 3.0 SOHC VILLAGER 
                              C                     1.000                     3.3 1980-1982
                              F                      FLAT                      3.3 1963-1979
                              F                      FLAT                      4.9 TRUCK
                              F                      FLAT                      5.0 ROLLER CAM
                              F                      FLAT-.965             5.4 H/D L/D TRUCK
                              F                      FLAT-.965 MIN.    5.9 GAS TRUCK           
                              F                   1.005 MIN THICK    6.1 LPG GAS TRUCK
                              F   FLAT-.965 MIN.   6.4 CAR & TRUCK
                              F   FLAT-.965 MIN.   6.7 MARIO ANDRETTI SPCL
              F   1.410 MIN THICK  6.9 DIESEL P/U TRUCK
              C   1.475            7.0 HD TRUCK LPG MPFI
              F   1.410 MIN THICK  7.3 NAVISTAR DIESEL
              F   FLAT              7.5 TRUCK
              C   1.477            7.8 HD GAS TRUCK        
              F   2.445 MIN THICK  7.8 TURBO DIESEL TRUCK
              C   1.477            8.8 HD GAS TRUCK
              
GM            C   .105-.110        1.0 METRO, HYD LIFTER
              C   .1969            1.0 MECH LIFTER
              C   .1969            1.3 GEO TRACKER
              S   .005-.015        1.5 OHC ISUZU CARBURATED
              C   .018-.022        1.6 CHEVETTE
              C   .018-.022        1.6 SOHC NOVA
              C   .787             1.6 DOHC STORM          
              C   .787             1.6 SOHC STORM          
              C   .078-.080        1.6 TBI DAWEOO LEMANS
              C   .1969            1.6 SOHC TBI TRACKER
              S   .015             1.8 LUV ISUZU
              F   FLAT              1.8 OHV CHEVROLET
              F   FLAT              1.8 OHC BRAZILIAN 
              S   .010 OR FLAT     1.9 2BC OHC ISUZU
              F   1.102 MIN THICK  1.9 Saturn, 21001186 CAST #
              F   .625 NEW         2.0 2BC OHV CHEVROLET
              F   FLAT-.750         2.0 BRAZILIAN OHC PONTIAC
              C   .788             2.3 DOHC 1995 AND UP 
              C   .125             2.5 2BC PONTIAC
              C   .125 OR FLAT     2.5 TBI S-10
              F   FLAT              2.8 RWD CHEVROLET 
              C   .125             3.0 BUICK HIGH DECK BLOCK
              F   FLAT              3.7 BUICK MARINE ALSO JEEP
              C   .125             3.8 ALL BUICKS
              F   FLAT              5.0 4BC CHEVROLET ROLLER
              F   FLAT              5.4 OLDSMOBILE
              S   .215             6.5 DIESEL TURBO/NON P/U
              C   .656             6.6 BUICK
              F   FLAT              7.4 CHEVROLET
              
HONDA         C   .030             1.5 TBI 16 VALVE HEAD
              C   .062             1.5 MFI 16 VALVE CIVIC
              C   .017             1.5 CIVIC CRX 8&12 VALVE HD
              C   .030             1.8 1-2-3BC ACCORD PRELUDE
              C   .615             2.0 ACCORD SOHC 12 VLV HD
              S   .008-.010        2.0 SOHC 12 VLV HD PRELUDE
              C   .615             2.0 SOHC EFI ACCORD
              C   .060-.065        2.2 SOHC MFI ACCORD
              C   .060-.070        2.7 SOHC 24 VALVE ACCORD

HYUNDAI       F   FLAT              1.5 MMC MPFI & G4AER
                  .157             2.4 SOHC MMC SONATA
              
ISUZU         F   FLAT              1.8 DIESEL F-MARK FWD
              C   .010-.017        1.9 IMPULSE OHC
              C   .010-.017        2.0 4ZC1 MFI TURBO
              C   .005-.015        2.2 C223 DIESEL P/U TURB/NON
              F   FLAT              2.3 SOHC AMIGO P/U IMPULSE 
              C   .010-.017        2.3 SOHC AMIGO P/U IMPULSE
              C   .010-.017        2.3 4ZD1 2BC
              C   .157-.159 88->   2.6 4ZE1 TROOPERII AMIGO
              
MAZDA         C   .640             1984 MAZDA ROTARY
              S   .062             MAZDA ROTARY
              S   .020             1.6 DOHC MIATA EFI
              S   .020             1.6 SOHC 323 EFI 8 VALVE
              C   .805             2.0 EFI SOHC 626 B2000
              C   .310             2.0 B2000
              C   .785             2.2 2BC B2200 8 VALVE HEAD
              C   .785             2.2 626 MFI TURBO/NON 12 VLV  
              S   .020             2.6 MFI MPV B2600 12 VLV HD
              
MERCEDES BENZ C   .885             2.4 240D 616.912
              C   .885             3.0 300SD TURBO DIESEL
              
MITSUBISHI    F   FLAT              1.5 G15B CARB MIRAGE PRECIS
              C   .600-.605        2.0 4G63 DOHC MFI ECLIPSE
              F   FLAT              2.4 4G64 MFI SOHC       
              C   .605-.608        3.0 MIF DOHC 
                  SEG/PED 
DIAMANTE
              C   .603-.608        3.0 MFI DOHC TURBO 3000GT
              C   .620             3.0 MPFI SOHC 60^ DIMANTE
              C   .820             3.0 DOHC 60^V6 DIMANTE
              C   .600-.605        3.0 DOHC TURBO 3000GT
              
NISSAN        C   .807 NEW          1.4 2BC 210
                  .787 MIN.
              S   .006-.010        1.6 2BC SOHC PULSAR
              S   .006-.010        1.6 SOHC S ENTRA 12 VLV HD
              S   .006-.010        2.0 VIN CA20E EFI STANZA
              S   .006-.010        2.0 EFI 200SX
              S   .005-.015        2.0 2BC 510 PICK UP
              S   .010             2.4 2BC
              S   .006-.010        2.4 EFI MAXIMA P/U
              S   .006-.010        2.4 SOHC PATHFINDER P/U 720
              S   .003-.006        2.8 EFI TURBO 280ZX
              C   .005             3.0 EFI DOHC 300ZX 5-SPEED 
              C   .003-.005        3.0 ALL VG30 MODELS
              
PEUGEOT       S   .020             1.9 SOHC  DOHC 405S

PORSCHE       C   .500-.530        2.5 924S 944 SOHC MFI
              F   .3346 MIN THICK  3.3 911 TURBO EFI MPI
              F   .3898 MIN THICK  3.3 911 TURBO IN 1987

RENAULT       S   .014-.021        1.4 R1229 R1399 847 LECAR

STERLING      C   .060-.070        2.7 MFI SOHC 825
              
SUBARU        C   .830             1.2 2BC & MFI JUSTY SOHC
              C   .905-.930        1.8 OHC 
              C   .830             1.8 EA81 OHV
              C   .905             1.8 EA81 OHV
              
SUZUKI        C   .197             1.0 3 CYLINDER
              C   .070             1.3 SOHC SAMURAI & GEO 
              
TOYOTA        C   .965-.970        1.5 2BC TERCEL
              C   .055             1.5 OHC2BC TERCEL
              S   .040             1.5 2BC TERCEL 12 VLV HD
              S   .018-.022        2.4 22R 2BC
              S   .018-.022        2.4 P/U 4-RUNNER
              S   .015             3.0 MFI SOHC 4-RUNNER
              S   .020             3.9 LANDCRUISER
              C   .630             3.9 LANDCRUISER
              S   .020             4.2 2BC LANDCRUISER

VOLKSWAGEN    C   .945             1.2                     
              C   .830-.835        1.5 WATER COOLED RABBIT
              C   .885             1.6 1BC WATER COOLED
              C   .830-.835        1.8 MFI WATER COOLED GTI
              C   .913-.918        1.8 MFI DOHC GOLF GTI JETTA
              C   .982             1.9 VANAGON
              C   .913-.918        2.1 MFI WATERBOXER VAN

VOLVO         C   .947             2.3 MFI B230FT TURBO SOHC 

                                     The AERA Technical Committee

September 1997 - TB 1490

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COOLANT IN THE ENGINE OIL SUPPLY

                                       Coolant In The Oil On
                                  Toyota 20R & 22R Engines

AERA members have reported instances of engine coolant mixing with the engine lubricating oil supply.

In some of these cases, pressure testing the cylinder block and head has not identified the source of the leak.  However, close inspection of the aluminum front cover revealed an area where the timing chain wore through into a water passage.  

In this engine the water pump is mounted to the front cover.  When the timing chain stretches and the automatic tensioner is no longer able to take up the slack, the loose chain can slap against the front cover.  Continuous contact will eventually wear a hole into the front cover, introducing engine coolant into the
crankcase.

                                                                      The AERA Technical Committee

REVISED PCV VALVE ON 2.2L 4YEC ENGINE

                         Revised PCV Valve On
                   1984-87 Toyota 2.2L 4YEC Engines

The AERA Technical Committee offers the following information
concerning a revised PCV (Positive Crankcase Ventilation) valve on
1984-87 Toyota 2.2L 4YEC engines. The purpose of this revised
assembly is to improve the control of the PCV system in colder
ambient temperatures.

This revised system involves installing a new valve and hose
assembly as shown below. Installing the revised components seals and
meters the air flow through the system in all ambient temperatures.
If the PCV system is not completely sealed, it becomes ineffective
and may result in undesirable oil consumption.

Engines built beginning with serial number 4Y-0058330 have the
revised components. Parts are available with Part #12204-15022 for
the valve and 12261-73021 for the hose assembly to update older
engines. 

                                         The AERA Technical Committee


October 1996 - TB 1387


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