Toyota Celica/Supra 1971-1985 Repair Guide

Engine

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See Figures 1 and 2

Each engine is referred to by both its family designation, such as 22R-E, and its production or serial number. The serial number can be important when ordering parts. Certain changes may have been made during production of the engine; different parts will be required if the engine was assembled before or after the change date. Generally, parts stores and dealers list this data in their catalogs, so have the engine number handy when you go.

It's a good idea to record the engine number while the vehicle is new. Jotting it inside the cover of the owner's manual or similar easy-to-find location will prevent having to scrape many years of grime off the engine when the number is finally needed.

The engine serial number consists of an engine series identification number, followed by a 6-digit production number.

The location of this serial number varies from one engine type to another. Serial numbers may be found in the following locations:



8R-C-On the right side of the engine block, by the fuel pump
 
5M-GE-On the lower right-hand side of the cylinder block, just above the oil pan
 
All Others-On the left side of the engine block
 



Click image to see an enlarged view

Fig. Fig. 1: Engine identification number location-18R-C, 20R and 22R series engines



Click image to see an enlarged view

Fig. Fig. 2: Engine identification number location-5M-GE twin cam engine

 
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