1977 Ford Bronco Automatic TransFACTORY OEM SERVICE PROCEDURE

DELCO-REMY Distributors

CHEVROLET & GMC

Application(1) Part No.
250" 6 Cyl.
  Calif. Man. Trans. L.D. 1110692
  Calif. Auto. Trans. L.D. 1110682
  Fed. & High Alt. Man. Trans. L.D. 1110678
  Fed. & High Alt. Auto. Trans. L.D. 1110674
  Federal H.D. 1110679
292" 6 Cyl.
  Calif. H.D. 1110680
  Federal H.D. 1110679
305" V8
  Federal L.D. 1103252
  Federal H.D. 1103237
350" V8
  Federal L.D. 1103253
  Federal H.D. 1103274
  High Alt. L.D. 1103246
  Calif. L.D. 1103254
  Calif. H.D. 1103250
400" V8
  Federal H.D. 1103249
  Calif. H.D. 1103250
403" V8
  Calif. 1103299
  Federal 1103267
454" V8
  Federal L.D. & H.D. 1103238
  Calif. H.D. 1103240
455" V8
  Calif.  
  Federal  
(1) For application purposes, light duty (L.D.) refers to C-10, C-1500, G-10 and G-1500 models up to 6000 lbs. GVW. All models over 6000 lbs. GVW are referred to as heavy duty (H.D.).
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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