Volkswagen gasoline straight-4 1.8 Liters PG 158 HP engine DIY maintenance and service manual

General Information

Volkswagen gasoline straight-4 1.8 Liters PG 158 HP is an 1781 cc (1.57 UK qt.) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 81 mm × 86.4 mm (3.19 in × 3.4 in). This engine was rated 118 kW (158.24 hp). It was used in Volkswagen cars.

Engine Performance Rating

SAE J1349 (SAE Net)

Volkswagen gasoline straight-4 1.8 Liters PG 158 HP engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	118 kW (158.24 hp)

Specifications

General

Volkswagen gasoline straight-4 1.8 Liters PG 158 HP engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Benzin 95
Cylinder Configuration	Inline 4
Engine Displacement	108.68 in³108.68 in³1781 cc
Bore	3.19 in3.19 in81 mm
Stroke	3.4 in3.4 in86.4 mm

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Engine head and valvetrain

Volkswagen gasoline straight-4 1.8 Liters PG 158 HP engine head and valvetrain specifications.
Parameter	Value
Valvetrain Type	SOHC
Valves per Cylinder	2

Air Intake

Volkswagen gasoline straight-4 1.8 Liters PG 158 HP air intake specifications.
Parameter	Value
Air Intake Method	Supercharger Positive Displacement Scroll Type