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.
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HOMESERVICE MANUALSGMC1966I1000 STANDARD TRANS, TRANS MFR CD T89REPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYROCHESTER MODEL B SINGLE BARRELCARBURETOR IDENTIFICATION
1966 GMC I1000 Standard Trans, Trans Mfr CD T89
Carburetor Identification
1966 GMC I1000 Standard Trans, Trans Mfr CD T89SECTION Carburetor Identification
Rochester carburetor number is stamped on a tag attached to carburetor. A.I.R. carburetors use a square tag, all other carburetors use a triangular tag.
NOTE:
Do not remove this tag.
RENDER: 1.0x
NO RELATED
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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.