1990 Chevrolet K20 Recalls

---

NHTSA Campaign Number: 93V119000
Manufacturer: GENERAL MOTORS LLC
Manufactured Begin Date: April 1st, 1986
Manufactured End Date: December 1st, 1991
Date of Owner Notification: November 8th, 1993

Defect Summary:
SEVERE CORROSION DUE TO ROAD SALT AT THE JOINT OF THE STAMPED STEEL CENTER SECTION AND THE CAST OUTER SECTION CAN CAUSE THE SECTIONS TO SEPARATE.

Consequence Summary:
SEPARATION OF THE ROTOR SECTIONS CAN CAUSE LOSS OFBRAKING ABILITY IN THE AFFECTED WHEEL. THIS COULD RESULT IN INCREASED STOPPINGDISTANCE AND/OR LOSS OF VEHICLE CONTROL AND AN ACCIDENT.

Corrective Summary:
REPLACE THE FRONT BRAKE ROTORS WITH NEW ROTORS WITH A CORROSION PROTECTION COATING. HOWEVER, IF REPLACEMENT OF BRAKE LININGS ARE NECESSARY, IT WILL BE DONE AT OWNER'S EXPENSE SINCE BRAKE LININGS ARE NORMAL MAINTENANCE ITEMS.

Recall Notes:
SYSTEM: BRAKES; HYDRAULIC; DISK ROTORS.VEHICLE DESCRIPTION: LIGHT TRUCKS AND VANS SOLD OR REGISTERED IN THE FOLLOWINGSTATES: CT, IL, IN, MA, ME, MI, NH, NJ, NY, OH, PA, RI, VT, AND WI.NOTES: THE VEHICLES INVOLVED CAN BE IDENTIFIED BY THE FOLLOWING: THE 5THCHARACTER OF THE VEHICLE IDENTIFICATION NUMBER MUST BE A "K" OR "L", AND THESEVENTH CHARACTER MUST BE "3","4","5","6", OR "9".IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPONSERVICE DATE, AND THE REMEDY IS NOT PROVIDED WITHIN A REASONABLE AMOUNT OF TIMEAND FREE OF CHARGE OR THE REMEDY DOES NOT CORRECT THE SAFETY-RELATED DEFECT ORNONCOMPLIANCE, PLEASE CONTACT YOUR NEAREST GMC TRUCK ZONE OFFICE. THE TELEPHONENUMBERS OF THE ZONE OFFICES ARE LISTED IN YOUR WARRANTY AND OWNER'S ASSISTANCEINFORMATION MANUALS. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETYADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.

---

NHTSA Campaign Number: 93V016000
Manufacturer: GENERAL MOTORS LLC
Manufacturer Campaign Number: 93-C-07
Manufactured Begin Date: December 1st, 1986
Manufactured End Date: August 1st, 1992
Date of Owner Notification: March 13th, 1993

Defect Summary:
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.

Consequence Summary:
THE VENTED TRANSMISSION FLUID CAN CATCH FIRE IF EXPOSEDTO A SOURCE OF IGNITION.

Corrective Summary:
INSTALL A LONGER TRANSMISSION VENT HOSE ROUTED TO THE LEFT SIDE OF THE ENGINE COMPARTMENT OF THE VEHICLE.

Recall Notes:
SYSTEM: POWER TRAIN.VEHICLE DESCRIPTION: LIGHT TRUCKS WITH 5.0 L, 5.7 L, AND 7.4 L ENGINES AND 4L60,4L60-E, AND 3L80 AUTOMATIC TRANSMISSIONS.

---

NHTSA Campaign Number: 90V108000
Manufacturer: GENERAL MOTORS LLC
Manufactured Begin Date: April 1st, 1990
Manufactured End Date: April 1st, 1990
Date of Owner Notification: June 15th, 1990

Defect Summary:
LOOSE PIVOT BOLT HOLDING THE BRAKE PEDAL TO ITS SUPPORT BRACKET COULD DISENGAGE FROM THE NUT.

Consequence Summary:
THIS COULD CAUSE LOSS OF BRAKING ACTIVITY THAT COULDRESULT IN A TRUCK CRASH WITHOUT PRIOR WARNING.

Corrective Summary:
RETORQUE BRAKE PEDAL PIVOT BOLTS TO SPECIFICATIONS TO PREVENT LOOSENING.

Recall Notes:
SYSTEM: BRAKE PEDAL SUPPORT.VEHICLE DESCRIPTION: LIGHT TRUCKS.

---

NHTSA Campaign Number: 90V015000
Manufacturer: GENERAL MOTORS LLC
Manufactured Begin Date: June 1st, 1989
Manufactured End Date: August 1st, 1989
Date of Owner Notification: February 9th, 1990

Defect Summary:
ON C AND K MODELS, FEED AND OR RETURN FUEL LINES CAN CONTACT THE AUTOMATIC TRANSMISSION SHIFT LINKAGE CORDON SHAFT. IN ADDITION, ON K MODELS LINES MAY ALSO CONTACT FRONT PROPSHAFT. IN EITHER CASE THE FUEL LINES COULD BE DAMAGED RESULTING IN A FUEL LEAK.

Consequence Summary:
A HOLE COULD BE RUBBED THROUGH THESE FUEL LINES, ALLOWING FUEL LEAKAGE NEAR EXHAUST CROSSOVER PIPE; THIS COULD RESULT IN AN ENGINE COMPARTMENT FIRE THAT COULD SPREAD TO THE PASSENGER COMPARTMENT.

Corrective Summary:
INSTALL NEWLY DESIGNED FUEL LINE ROUTING BRACKET TO PREVENT CONTACT AND, IF NECESSARY, REPLACE FUEL LINES.

Recall Notes:
SYSTEM: FUEL LINES.VEHICLE DESCRIPTION: PICKUP TRUCKS EQUIPPED WITH 6.2 L DIESEL ENGINES.