Peugeot 405 Manual

Carburettor - removal and refitting
Fuel/exhaust systems - carburettor models / Carburettor - removal and refitting


Note: Refer to the warning note in Section 1 before proceeding. Where original crimpedtype Peugeot hose clips are still fitted, the clips should be cut and discarded; obtain some worm-drive hose clips for refitting.

Removal
1 Disconnect the battery negative terminal.

2 Remove the air cleaner-to-carburettor duct as described in Section 2.

3 Disconnect the accelerator cable from the throttle quadrant as described in Section 8.

4 Disconnect the distributor vacuum pipe (see illustration).

12.4 Disconnecting the distributor vacuum pipe
12.4 Disconnecting the distributor vacuum pipe

5 Disconnect the float chamber breather pipes. The upper pipe connects with the air filter housing (see illustration).

12.5 Disconnecting the float chamber breather pipe
12.5 Disconnecting the float chamber breather pipe

6 Either drain the cooling system or clamp the automatic choke and carburettor base heating pipes, then disconnect the pipes (see illustrations).

12.6a Automatic choke coolant pipe connection . . .
12.6a Automatic choke coolant pipe connection . . .

12.6b . . . and base heating pipes
12.6b . . . and base heating pipes

7 Disconnect the float chamber solenoid valve wiring (see illustration).

12.7 Disconnecting the float chamber breather solenoid wiring
12.7 Disconnecting the float chamber breather solenoid wiring

8 Disconnect the fuel inlet pipe either at the fuel pump or the fuel reservoir on the side of the carburettor and blank off the hose.

9 Remove the single carburettor securing nut and lift off the fuel reservoir (see illustration).

12.9 Lifting off the fuel reservoir
12.9 Lifting off the fuel reservoir

10 Remove the remaining carburettor nuts and lift off the carburettor (see illustrations).

12.10a Remove the remaining nuts . . .
12.10a Remove the remaining nuts . . .

12.10b . . . and lift off the carburettor
12.10b . . . and lift off the carburettor

11 Remove the insulating spacer and/or gasket(s) (see illustration).

12.11 Removing the insulating spacer
12.11 Removing the insulating spacer

Discard the
gasket(s); new ones must be used on refitting.

Plug the inlet manifold port with a wad of clean cloth, to prevent the entry of debris.

Refitting
12 Refitting is the reverse of the removal procedure, noting the following points: a) Ensure that the carburettor and inlet manifold sealing faces are clean and flat.

Fit a new gasket, and securely tighten the carburettor retaining nuts.

b) Use the notes made on dismantling to ensure that all hoses are refitted to their original positions and, where necessary, are securely held by their retaining clips.

c) Where the original crimped-type Peugeot hose clips were fitted, discard them; use standard worm-drive hose clips when refitting.

d) Refit and adjust the choke and accelerator cables as described in Sections 7 and 9.

e) Refit the air cleaner duct as described in Section 2.

f) On completion, check and, if necessary, adjust the idle speed and mixture settings as described in Chapter 1.


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