MR2 L4-1587cc 1.6L DOHC SC (4A-GZE) (1988)
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Vacuum Check Valve HVAC: Technical Service Bulletins
A/C - VSV Components In Installation Kits Not Needed
REFERENCE HEATING AND AIR CONDITIONING
NUMBER
004
DATE
1-08-88
MODEL
FX, MR2
TITLE VSV COMPONENTS IN A/C KITS
The VSV (Vacuum Switching Valve) in the A/C kits (P/N 00883-17880) MR2 and (P/N 00883-02870) FX-16 are not required on 1988 MR2 and
FX-16.
The vacuum switching valve has been installed at the factory for 1988 models. The 1987 vehicles did not have the VSV installed at the factory.
The following illustrations indicate the affected VSV:
