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1990 Geo Metro TSBs

5 Technical Service Bulletins across 3 categories

Pre-Delivery & Maintenance

3 bulletins
37830

MESSAGE TO DEALERS CORRECTING INCORRECT INFORMATION CONTAINED IN MANUFACTURER RECALL 90C51.

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*TW

37827

MESSAGE ANNOUNCING MANUFACTURER RECALL 90C51.

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*TW

37826

MESSAGE ANNOUNCING MANUFACTURER RECALL 90C51.

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*TW

Other

1 bulletin
43020

UNKNOWN

Engine

1 bulletin
37961

THE ADMINISTRATOR OF THE US ENVIRONMENTAL PROTECTION AGENCY (EPA) AND GENERAL MOTORS HAVE DETERMINED THAT CERTAIN 1990...

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GEO METRO VEHICLES WITH 1.0L ENGINES MAY EXCEED HIGH ALTITUDE CARBON MONOXIDE FEDERAL EMISSION STANDARDS. THIS CONDITION APPLIES TO VEHICLES REGISTERED IN COLORADO, NEVADA NEW MEXICO AND UTAH (VEHICLES WHICH HAVE MOVED TO THES STATES FROM CALIFORNIA WHICH ARE EQUIPPED WITH RPO YF5 DO NOT REQUIRE THIS CAMPAIGN REPAIR). THESE STANDARDS WERE ESTABLISHED TO PROTECT THE THE PUBLIC HEALTH AND WELFARE FROM DANGERS OF AIR POLLUTION. EXCESS EMISSION OF POLLUTANTS MAY CAUSE A VEHICLE TO FAIL STATE MANDATED EMISSION TESTS. TO CORRECT THIS CONDITION, VEHICLES REGISTERED IN THE FOUR AFFECTED STATES WILL HAVE A REDESIGNED OXYGEN SENSOR INSTALLED. *TW