Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC1977FORWARD CONTROL 7.4L ENG VIN Y, AUTOMATIC TRANS, TRANS MFR CD 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALSTARTERSTARTERS - DELCO-REMY ENCLOSED HOUSINGOVERHAULREASSEMBLY
1977 GMC Forward Control 7.4L Eng VIN Y, Automatic Trans, Trans Mfr CD 475/M40
Starters - DELCO-REMY Enclosed Housing: Overhaul: Reassembly
1977 GMC Forward Control 7.4L Eng VIN Y, Automatic Trans, Trans Mfr CD 475/M40SECTION Reassembly
- Lubricate armature shaft with silicone lubricant or several drops of SAE 10 engine oil, install drive assembly on shaft, install retainer with cupped side out or away from pinion, install lock ring in shaft groove, install thrust collar with shoulder against lock ring. Position retainer on lock ring by using two pliers at opposite points to squeeze retainer and thrust collar together against lock ring.
- Assemble brush holders and install brushes, connect field leads to proper brushes, check assemblies for free movement.
- Assemble solenoid plunger on shift. Lubricate drive housing bushing with silicone lubricant or few drops of SAE 10 engine oil. Install armature and drive assembly in drive housing with shift lever engaged in drive collar, install shift lever pin. Coat both sides of solenoid flange which extends down between drive housing and field frame with suitable sealer (No. 1050026), place return spring over plunger and install solenoid, tighten solenoid attaching screws securely.
- Align field frame dowel with dowel hole in drive housing. Install field frame over armature and against end housing.CAUTION: Lift brushes up over commutator as field frame is installed to prevent damage to brushes.
- Install thrust washer (leather brake washer) on end of armature shaft. Lubricate commutator end frame bushing with silicone lubricant or few drops of SAE 10 engine oil, install end frame, install through bolts and tighten securely.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.