The device of the carburetor 2E3 (VW Passat B3)

• 1 — bolt, 7 Nm
• 2 — nipple for connecting the fuel supply line
• 3 - safety bracket
• 4 - gas thrust
• 5 — temperature indicator sensor
• 6 — carburetor 2EZ
• 7 — thermal switch of the automatic device for enriching the combustible mixture at start-up

Identification feature: green insulation.

• 8 — thermal switch of the intake air heater

With red insulation.

• 9 — nipple

To connect the temperature regulator in the air filter. y - bolt, 13 Nm

• 11 - lock washer
• 12 — flange
• 13 — to the brake booster
• 14 - to the automatic device for enriching the combustible mixture during start-up
• 15 - sealing ring

Replace if damaged.

• 16 - sealing gasket

Always replace.

• 17 — intake manifold
• 18 — bolt, 25 Nm
• 19 — bolt, 20 Nm
• 20 — sealing ring

Always replace

• 21 — intake manifold heater
• 22 — bolt, 10 Nm

Upper part of the carburetor body

• 1 - ventilation system tube
• 2 - air jet of the main metering system, chamber 1
• 3 — idling system air jet
• 4 - metal flame extinguishing mesh
• 5 — economizer tube
• 6 - upper part of the carburetor
• 7 - adjusting screw, chamber 1
• 8 - adjusting screw, chamber 2
• 9 - thermopneumostatic valve

To control the vacuum ignition timing regulator.

• 10 — air damper position control device
• 11 — sealing ring
• 12 — bolt, 10 Nm
• 13 — float axis
• 14 - to the time-delay thermal valve (B)
• 15 — grid
• 16 - float needle
• 17 - main jet, chamber 1
• 18 - main jet, chamber 2
• 19 — float
• 20 - sealing gasket

Replace, pay attention to execution.

• 21 - to the bottom of the carburetor (A)
• 22 - atomizer, chamber 2
• 23 — wedge lock
• 24 - atomizer, chamber 1
• 25 - sealing gasket

Replace, do not swap.

• 26 — vacuum limiter (Pulldown)
• 27 - automatic device for enriching the combustible mixture at start-up

Lower part of the carburetor body

• 1 - time delay thermal valve
• 2 - lower part of the carburetor body
• 3 - economizer valve for operation at partial loads

Always replace after removal.

• 4 — grid
• 5 - sealing ring
• 6 - injection tube
• 7 — bracket

For thermal switch.

• 8 - to the temperature controller

The temperature regulator is located in the air filter housing.

• 9 - thermal switch

For additional fan activation.

• 11 — cold engine idle speed adjustment screw

• 12 — vacuum throttle position regulator, chamber 2
• 13 - accelerator pump
• 14 - to the upper part of the carburetor body (A)
• 15 — fuel shut-off valve
• 16 — idle speed adjustment screw

With guide tube.

• 17 — CO content adjustment screw
• 18 - counter support

Carburetor characteristics

*) Since 5/88; with end damper for throttle valve.