Operation CHARM: Car repair manuals for everyone.
Home >> Mercedes Benz >> 2000 >> CLK 320 (208.365) V6-3.2L (112.940) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Initial Inspection (Description and Operation of ME-SFI Systems & Components) >> Suction Spray Pump, Position/Task/Design/Function
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Suction Spray Pump, Position/Task/Design/Function




Suction Spray Pump, Position/Task/Design/Function




80/4 Suction spray pump
A Nozzle
B To splash bowl
R Fuel return flow
Z Inducted fuel

Suction spray pump position
The suction spray pumps are located at the lowest point of the left chamber of the fuel tank and at the splash bowl in the right chamber of the fuel tank

Suction spray pump task
Drawing fuel out of the chambers of the fuel tank into the splash bowl (right chamber of fuel tank)

Suction spray pump function
The nozzle (A) in the suction spray pump (80/4) accelerates the fuel flowing back. The fuel jet generates a suction effect and entrains the fuel which is located around the nozzle (A) out of the left chamber of the fuel tank with it into the feed line (B) and on to the splash bowl
pro multis · About Operation CHARM