OFFICIAL NHTSA RECALL

74V226000

Power Train:automatic Transmission:park/neutral Start Interlock Switch

Reported Nov 21, 1974 · GENERAL MOTORS CORP.

Summary

Not supplied in the source record.

Consequence

Not supplied in the source record.

Remedy

Not supplied in the source record.

Notes

CHEVROLET CAMPAIGN NO 74-C-19.POSSIBILITY WHEN THE ALLISON MT-650TRANSMISSION IS MATCHED WITH EITHER THE 366 OR 427 CID V-8 ENGINES, THE 1,3 TO1,0 GOVERNOR DRIVE-TO-DRIVEN GEAR RATION CAN CREATE EXCESSIVE GOVERNOR RPM WHENOPERATED IN TOP GEAR AT OR NEAR MAXIMUM RATED ENGINE SPEED RPM OF 4000.THEEXCESSIVE GOVERNOR SPEED CAN RESULT IN A GOVERNOR DRIVEN GEAR FAILURE.AFAILURE OF THIS TYPE CAN CAUSE A DOWN SHIFT OF THE TRANSMISSION WITHOUTWARNING.IF THIS OCCURS, TRANSMISSION AND ENGINE SPEED WOULD INCREASE GREATLYAND MAY RESULT IN ONE OF THESE COMPONENTS BREAKING.(CORRECT BY INSPECTING ANDINSTALLING NEW TRANSMISSION REAR HOUSING ASSEMBLY AND GOVERNOR WITH 1.0 TO 1.0 DRIVE-TO-DRIVEN RATIO.)

This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.

Vehicle entries in this campaign

1974 GMC HE7500 1974 Chevrolet JE80 1974 GMC JE8500 1974 GMC TE6500 1974 GMC CE6500 1974 GMC JE7500 1974 GMC ME6500 1974 Chevrolet ME65 1974 Chevrolet TE65 1974 Chevrolet CE65 1974 Chevrolet JE70 1974 Chevrolet HE70 1973 GMC ME6500 1973 GMC CE6500 1973 GMC TE6500 1973 Chevrolet CE65 1973 Chevrolet ME65 1973 Chevrolet TE65

This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗