Section 11 · Pages 31–37 (7 pages)

Group 11: Electro-Cruise

From the 1963 Buick Preliminary Service Information (Upper Series Supplement)

The Electro-Cruise speed control, an electronic-pneumatic system holding 30 to 90 mph. Describes its components, engagement, disengagement and override, then bead chain and brake release switch adjustments, maintenance, a trouble diagnosis chart and vacuum, relay and amplifier tests.

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What this section covers

  • System components and operation
  • Bead chain adjustment
  • Brake release switch adjustment
  • Trouble diagnosis chart
  • Vacuum and air leak test
  • Relay and amplifier tests
Year
1963
Make
Buick
Vehicle
Passenger Cars
Type
Service Manual, Supplement
Models
Upper Series 4400, 4600, 4700 and 4800 (not Special or Skylark)
Publication
TC-62-11
Pages
46

What’s inside

Preliminary service information

  1. Introduction and Group IndexTitle pages, copyright notice and the introduction explaining that only Upper Series information is included, with the group index listing groups 2 through 11 by page.pp. 1–6
  2. 2Group 2: EnginePositive Crankcase Ventilation on all 1963 Buicks, with a test using a tachometer: squeeze off the ventilator hose and an idle drop of 60 RPM or more is satisfactory. Replace the valve at each oil filter change.pp. 7–8
  3. 3Group 3: Engine Fuel and Exhaust SystemsCarburetor chain gauge changes, including a new .055 inch key for the 198 2GC gauge, engine idle speeds for the 198, 215 and 401 cu. in. engines with and without air conditioning, and the in-line fuel filter (GF95 and GF96) replaced every 24,000 miles.pp. 9–10
  4. 4Group 4: Clutch and SM Transmissionpp. 11–14
  5. 5Group 5: Automatic TransmissionsTwin Turbine shift linkage changes for the 4400, 4600 and 4800 (new equalizer and underpan clearances) and the all-new floor-mounted linkage on the 4700 Series, with neutral safety switch and control rod adjustment.pp. 15–16
  6. 6Group 6: Rear Axle and Propeller ShaftThe lighter redesigned Upper Series rear axle and its new tools, the Saginaw propeller shaft, and the 4700 three-joint shaft without a constant velocity joint. Explains universal joint angle checks with Alignment Set J-8973 and its new cable J-8973-32.pp. 17–18
  7. 7Group 7: Chassis SuspensionUpper Series suspension is similar to 1962, but the 4700 uses different upper control arms and stabilizer parts. New press-fit lower ball joints are removed and installed with Remover J-9519, even with the arm on the car.pp. 19–20
  8. 8Group 8: Steering Gear and Linkagepp. 21–26
  9. 9Group 9: BrakesThe redesigned Upper Series power brake cylinder, with the filter now under the push rod boot, and the master cylinder push rod adjustment using Gauge J-21183. Self-adjusting brakes like the Special and Skylark are used.pp. 27–28
  10. 10Group 10: Electrical SystemsInstrument panel service: clock removal with J-21110, gauge and warning light removal, and escutcheons removed with J-21233. Covers the 4700 Series wiper motor and a chassis wiring diagram with fuse sizes and wire color codes.pp. 29–30
  11. 11Group 11: Electro-Cruisepp. 31–37
  12. 11Group 11: Heater and Air Conditionerpp. 38–44
  13. 11Group 11: Cornering Lamps, Guide-Matic, Twilight Sentinel and RadioCornering lamp wiring on the Upper Series, the redesigned Guide-Matic with a driver off position, the Twilight Sentinel photocell sensitivity cap, and the 1963 WonderBar radio with 10 ohm speakers.pp. 45–46

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