ROAD TESTING

Before road testing, be sure the fluid level and control cable adjustments have been checked and adjusted if necessary. Verify that all diagnostic trouble codes have been resolved.

Observe engine performance during the road test. A poorly tuned engine will not allow accurate analysis of transmission operation.

Operate the transmission in all gear ranges. Check for shift variations and engine flare which indicates slippage. Note if shifts are harsh, spongy, delayed, early, or if part throttle downshifts are sensitive.

Slippage indicated by engine flare, usually means clutch, overrunning clutch, or line presure problems.

A slipping clutch can often be determined by comparing which internal units are applied in the various gear ranges. The Clutch Application chart provides a basis for analyzing road test results.


545RFE CLUTCH APPLICATION CHART

SLP
  		 UD
  		 OD
  		 R
  		 2C
  		 4C
  		 L/R
  		 OVERRUNNING
  
P–PARK
  		           ON
  		  
R–REVERSE
  		     ON
  		     ON
  		  
N-NEUTRAL
  		           ON
  		  
D–FIRST
  		 ON
  		         ON*
  		 ON
  
D–SECOND
  		 ON
  		     ON
  		      
D–SECOND PRIME
  		 ON
  		       ON
  		    
D–THIRD
  		 ON
  		 ON
  		          
D–FOURTH
  		   ON
  		     ON
  		    
D–FIFTH
  		   ON
  		   ON
  		      
D–LIMP-IN
  		 ON
  		 ON
  		          
2–FIRST
  		 ON
  		         ON*
  		 ON
  
2–SECOND
  		 ON
  		     ON
  		      
2–LIMP-IN
  		 ON
  		     ON
  		      
1–LOW
  		 ON
  		         ON
  		 ON
  
*L/R clutch is on only with the output shaft speed below 150 rpm.