Section 13 · Pages 285–288 (4 pages)

Radiator and Surge Tank

From the 1971 Chevrolet Heavy Duty Truck Shop Manual Supplement, Series 70–90

The 1971 exceptions to section 13 of ST135-70, mostly for HC, JC, HH and JH90 and FC and DC90 models with the Cummins NTC 335 engine. These have a shutterstat in the radiator lower tank, a foot-mounted lower radiator mounting and stabilizer rods insulated at the frame end; adjustment of the rods for all models is described. Radiator core removal and installation are given for FC and DC90 tilt cabs and for fiberglass and sheet metal hood models, followed by the new radiator cap and filler neck safety detent, the shutter air cylinder with built-in over-travel, and cooling system notes and precautions.

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What this section covers

  • Radiator mounting and shutterstat, NTC 335 models
  • Radiator stabilizer rod adjustment
  • Radiator core removal and installation
  • Radiator cap and filler neck safety detent
  • Radiator shutter air cylinder
  • Cooling system notes and precautions
Year
1971
Make
Chevrolet
Vehicle
Heavy Duty Trucks, Trucks
Type
Service Manual, Supplement
Models
Series 70, 80, 90
Publication
ST-332-71
Pages
297

What’s inside

Service supplement

  1. Introduction and Model Datapp. 1–6
  2. 0LubricationLubricant capacities for the AT540 and RT09513 transmissions, oil and filter change procedure, and the new 6,000-mile air cleaner service interval (formerly 3,000 miles).pp. 7–8
  3. 1Cabs and Body Mountingspp. 9–14
  4. 2FrameFrame alignment check, general rules for straightening and welding frames, identification of side rail material including heat-treated and high-performance steels, plug welding, crossmembers, and electrode and plug weld charts.pp. 15–16
  5. 3Front Suspensionpp. 17–22
  6. 4Rear Suspensionpp. 23–28
  7. 5Brakespp. 29–36
  8. 6AGasoline Enginespp. 37–64
  9. 6CDetroit Diesel Engines (53 and 71 Series)pp. 65–84
  10. 6DEngine Mountingspp. 85–88
  11. 6KEngine Cooling Systempp. 89–96
  12. 6MEngine Fuel Systempp. 97–101
  13. 6YEngine Electricalpp. 102–144
  14. 7Transmissions and Clutchespp. 145–164
  15. 8Fuel Tank and ExhaustFuel tank repair, safety cap and fuel tank vent and check valve, and exhaust system alignment with a warning about exhaust gases.pp. 165–167
  16. 9Steering Systempp. 168–174
  17. 10Wheels and Tirespp. 175–194
  18. 11Sheet MetalFiberglass fender extension and seal replacement and hood hinge, latch and adjustment details.pp. 195–196
  19. 12Chassis Electrical and Instrumentspp. 197–284
  20. 13Radiator and Surge Tankpp. 285–288
  21. Special Tools and Reference Tablespp. 289–297

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