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Home >> Subaru >> 1986 >> RX >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.8L 4-CYL & 1.8L 4-CYL Turbo - VINS [4,5,7] >> Engine Identification >> Engine Coding

Engine Coding

On all models, engine can be identified by 6th character of Vehicle Identification Number (VIN). Turbos are indicated by the 7th character - a "5" indicates GL-10 turbo, a "6" indicates an RX turbo, and a "7" indicates a GL turbo.

The VIN is stamped on a metal plate located on front right side of engine compartment. Identification number of engine is stamped on a machined pad on right front of engine cylinder block.

ENGINE IDENTIFICATION CODES (1.8L 4-CYL.)

Application (1) VIN Code
2WD 4
4WD
Without Air Suspension 5
With Air Suspension 7
(1) If the 7th character is a "5", engine is a GL-10 turbo; if a "6", engine is an RX turbo; if a "7", engine is a GL turbo.
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