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The fresh-air ventilation system of Datsun 1200 allows for fresh air even with all windows rolled up.

1 Usage
2 No-heater models
3 Ventilation Flow
- 3.1 Coupe
- 3.2 Pickup

Usage

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

fresh air in any weather

Also see: Heater

No-heater models

Ventilation for models originally equipped with No Heater.

USA 1972 Owners manual (see page 19 for details):

The valve has only thre positions: CLOSE, HALF OPEN and FULLY OPEN

Ventilation Flow

Coupe: air flows out through the side chrome grilles
Sedan: air flows out through the slots in the C-pillar
Truck: air flows out through the finisher in the rear pillar

Inlet: In the Datsun 1200 passenger compartment ventilation system, air is drawn from:
1. the air intake on the cowl top, and
2. ventilator (quarter window) on the front door.
Outlet: This air is exhausted from the slip shape air outlets on the rear pillar. Thus, the body is ventilated sufficiently -- even with all the windows rolled up.
- Coupe air outlets (not shown) are under the two chrome side vents.

The baffle causes water to run past the cabin air intake.
Carefully tighten the ABS plastic grille, not very tight, so that you do not crack the plastic.

Diagram of body cabin air flow

Coupe

Coupe side vents cover the cabin airflow openings just aft of the doors. This allows positive ventilation of the passenger compartments, and the air exits at the vents.

78843-H2225 GRILLE AIR OUTLET upper COUPE GL,GX
78844-H2225 GRILLE AIR OUTLET lower COUPE GL,GX
Japan DX may not have grilles?

PB110

Custom by LOWTECH

Pickup

As in all 1200s, the pickup air inlet is at the Cowl baffles. The cabin ventilation exits on the B-pillar under the plastic/chrome side vent finishers.

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