Diagnosis Using The Manifold Gauge - SSANGYONG Y200 Manual

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DIAGNOSIS USING THE MANIFOLD GAUGE

On normal operation during the cooling cycle, the

manifold gauge must indicate approximately 1.5 - 2.0

at low pressure side and 14.5 - 15 kg/cm

high pressure side, on condition that the temperature

at the cooler inlet, 30 º C - 35 º C, 2,000 rpm of the

engine rpm , full cold and maximum blower speed.

1. High and low pressure are abnormally low.

2. Air at cooler outlet is not cold.

1. High and low pressure are abnormally high.

2. Connection at the low pressure is not cold.

SSANGYONG Y200

There is a gas leak in the

cooling system.

Insufficient cooling and

faulty condenser cooling

by excessive

refrigerant.

Belt is slipped

There is an air in the

cooling system

GENERAL HVAC SYSTEM 7B-11

Check the oil leak,

Add the refrigerant

Keep the specified

amount of the

refrigerant, Clean the

Repair the belt

Clean and repair the

receiver-drier

Check the oil

contamination etc.

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