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[Datsun 1200 encyclopedia]

Heater

Revision as of 06:02, 25 December 2008; view current revision
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Category: Body Electrical System

Heater was optional in the Standard model for most countries. All USA models came with a heater (by law).

CO-01_01_th.JPG
Coolant Flow to Heater

Operation

USA 1972 Owners manual (see pages 18-19 for details):


00_cover.jpg 18.jpg 19.jpg

Comfort and Convenience

TIP: Pull heater level out to switch fan speeds.

Also see: Ventilation


Heater Inspection

Heater core:

  • Leaks (before removing, check for leaks in passenger area, under carpet, on firewall cardboard, etc)
  • Flow (ensure it is not plugged). You can test similar to radiator blocked test
  • Clean out debris in exterior of core

Hoses: Check for cracks, overly soft hoses, tight clamps

Flow valve: ensure it opens & closes easily through entire range. Also check linkage for easy and complete movement (before taking apart)

Air ducts: Ensure they are clean and connected properly

Electrical: Ensure fan spins at both High & Low speed

Coolant Thermostat: Test


  • Heater cock
    18257.jpg