Removal and installation a diaphragm fuel pressure regulator (Mercedes-Benz S-Class W140)

Diaphragm Fuel Pressure Regulator Installation Details (except for engine M 104.990)
40 - Diaphragm fuel pressure regulator; 40/8, 40/9 - Sealing rings; 40/10 - Retaining ring; 40/11 - Vacuum tube

Removal

1. Release the pressure from the regulator (40) using the special valve.

2. Remove the regulator cover (40).

3. Disconnect the vacuum tube (40/11).

4. Remove the retaining ring (40/10).

5. Remove the regulator (40) from the fuel distribution line (17).

Article based on data from the website: MercedesMan.ru

Installation

Installation is performed in the reverse order of removal. Replace the retaining and sealing rings (40/8) and (40/9), lubricate them before installation.

This article is available at: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

The article has been verified: Polyakov Zakhar Grigorievich

Share with friends:

◀ Previous

S-Class W140 / Control system HFM-SFI

Next ▶

Replacing the air flow sensor
Removal and installation of injectors — removal and installation
Removal and installation of fuel distribution line with injectors

Removal and installation the air pump
Removal and installation the crankshaft position sensor (CKP)
Removal and installation the lambda probe
Removal and installation knock sensors

More similar articles for repairing other models