Technical Service Bulletins (TSBs) for the 1994 Astro Van are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

    • TSB #PIT-3665-A

      Date Announced:
      NOV 01, 2010
      NHTSA ID:
      #10028790

      GENERAL MOTORS: ON ALL 1988-2009 FULL SIZE CHEVROLET/GMC PICKUPS, UTILITIES AND VANS, THE BRAKE PEDAL WILL MOVE DOWN OR SELF APPLY DURING FULL LOCK TURNS OR NEAR FULL LOCK TURNS. CHEVROLET ASTRO AND GMC SAFARI VANS; HUMMER 2 ARE INCLUDED. Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

    • TSB #240699

      Date Announced:
      JUL 24, 1999
      NHTSA ID:
      #608382

      SUBJECT REGARDING ABS 3-SENSOR EBC4 - SPECIAL POLICY. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #130089009

      Date Announced:
      SEP 01, 2013
      NHTSA ID:
      #10246631

      Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

    • TSB #96067A

      Date Announced:
      JUN 01, 1997
      NHTSA ID:
      #52576

      SPECIAL POLICY ADJUSTMENT - LINEAR EXHAUST GAS RECIRCULATION SYSTEM. *TW Read More »

    • TSB #96067

      Date Announced:
      FEB 01, 1997
      NHTSA ID:
      #51281

      POLICY ADJUSTMENT - LINEAR EXHAUST GAS RECIRCULATION SYSTEM. *TW Read More »

    FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    • TSB #666309

      Date Announced:
      APR 01, 1997
      NHTSA ID:
      #52350

      ENGINE HARD TO START (REPLACE FUEL PUMP PULSATOR). *TW Read More »

    • TSB #566305

      Date Announced:
      AUG 01, 1995
      NHTSA ID:
      #45817

      VEHICLE DOES NOT START READILY UPON CRANKING (REPLACE FUEL PUMP RELAY). *SD Read More »

    POWER TRAIN

    • TSB #990730016A

      Date Announced:
      OCT 01, 2002
      NHTSA ID:
      #10007838

      DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #467108

      Date Announced:
      DEC 01, 1994
      NHTSA ID:
      #37942

      TRANSMISSION EXTENTION SEAL LEAKS. *TW Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

    • TSB #020730024A

      Date Announced:
      AUG 01, 2005
      NHTSA ID:
      #634999

      DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT Read More »

    ELECTRICAL SYSTEM:WIRING

    ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

    • TSB #468203A

      Date Announced:
      JUN 01, 1995
      NHTSA ID:
      #45821

      INOPERATIVE OR ERRATIC SPEEDOMETER AND/OR VEHICLE SHIFTS DOWN INTO SECOND GEAR OR WILL NOT SHIFT OUT OF SECOND GEAR (REPLACE CONNECTOR C240). *SD Read More »

    • TSB #468203

      Date Announced:
      FEB 01, 1995
      NHTSA ID:
      #39297

      INOPERATIVE OR ERRATIC SPEEDOMETER AND/OR VEHICLE SHIFTS DOWN INTO SECOND GEAR OR WILL NOT SHIFT OUT OF SECOND GEAR. *TW Read More »

    ELECTRICAL SYSTEM:IGNITION:MODULE

    • TSB #676537

      Date Announced:
      JUN 01, 1997
      NHTSA ID:
      #52571

      INTERMITTENT HESTIATIONS, LOW POWER, AND ROUGH RUNNING ENGINE IN COLD TEMPERATURES (REPLACE PCM). *TW Read More »

    VISIBILITY

    • TSB #01667

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007244

      WINDOW REGULATOR MOTOR DOES NOT FIT. *TT Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT

    STRUCTURE:BODY:DOOR

    • TSB #020864013

      Date Announced:
      MAY 01, 2002
      NHTSA ID:
      #634576

      SOME CUSTOMERS MAY COMMENT THAT THE RIGHT REAR DOOR HANDLE ON THE CARGO DOOR BREAKS. *TT Read More »

    VEHICLE SPEED CONTROL

    • TSB #GM569002

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #41078

      STEPPER MOTOR CRUISE CONTROL WILL NOT RESUME OR RESET (REPLACE SMCC MODULE). *TW Read More »

    EQUIPMENT

    • TSB #PIC4696D

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165876

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIC4696E

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168979

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #PIC4696E

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168979

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Read More »

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #PIC4696C

      Date Announced:
      MAY 31, 2018
      NHTSA ID:
      #10141381

      This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #631216

      Date Announced:
      DEC 01, 1996
      NHTSA ID:
      #50561

      INSUFFICIENT A/C PERFORMANCE AND/OR NOISY COMPRESSOR CLUTCH DUE TO PREMATURE WEAR OF THE COMPRESSOR SHAFT SEALS. *TW Read More »

    UNKNOWN OR OTHER