Caravelle L4-156 2.6L SOHC (1985)
8.
Remove E-clips and choke unloader link from carburetor.
9.
Disconnect vacuum hose and link from vacuum chamber.
10.
Remove mounting screws and the vacuum chamber.
11.
On feedback models, remove throttle position sensor mounting screws and the sensor.
12.
On all models, remove vacuum connector hoses.
13.
Disconnect accelerator operating rod link from throttle lever.
14.
Remove air horn mounting screws and separate air horn from carburetor body.
15.
Slide out float pivot pin and remove float assembly.
16.
Remove and discard air horn gasket.
17.
Unscrew retainer and remove needle seat and screen assembly, being careful not to lose shim from under needle seat assembly.
18.
On feedback models, disconnect solenoid wiring and unscrew solenoids from air horn.
19.
On all models, remove venturi retainers and venturis, discard O-rings, and mark venturis so that they can be installed in proper position.
20.
Remove primary and secondary main jets from their pedestals, noting jet numbers for proper installation.
21.
Remove pedestals and discard gaskets.
22.
Remove bowl vent solenoid mounting screws, then separate bowl vent from air horn and discard O-ring and seal.
23.
On standard models, remove coasting air valve attaching screws and separate valve from air horn.
24.
On all models, remove enrichment valve attaching screws, then separate valve from air horn and remove jet.
25.
On all models, remove screw, lock and primary jet set.
26.
Remove screw, lock and secondary jet set.
27.
Remove primary and secondary air bleed jets from top of air horn, noting their sizes for proper installation.
28.
Carefully invert air horn and drop out pump weight, check ball and hex nut.
29.
Remove accelerator pump screws and separate pump from air horn.
30.
Remove jet air control valve screws and separate valve from throttle body.
31.
Remove E-clip from sub-EGR lever, then carefully slide pin from lever and sub-EGR valve. The lever is under spring tension caused by a steel
ball and spring in sub-EGR valve which prevents play between sub-EGR valve and lever. Care should be taken not to lose ball and
spring when removing lever.
32.
Remove valve from throttle body.
Cleaning & Inspection
1.
Clean carburetor components with suitable carburetor cleaning solvent.
2.
Some components such as the choke, vacuum diaphragms, O-rings, electric solenoids, floats and seals can be damaged by solvents. Do not place
these components in any liquid, clean their external surfaces with clean cloth or soft brush.
3.
Remove dirt with compressed air but do not connect air to vacuum diaphragm fittings.
4.
If cleaning solvent recommends water as a rinse, use hot water, then blow all traces of water from passages with air pressure.
5.
Never clean jets with wire, drill or other mechanical means.
6.
If it is difficult to determine if components are suitable for reuse, replace them.
Assembly
1.
Install sub-EGR valve on throttle valve and check for proper operation.
2.
Install jet air control valve on throttle body and tighten screws securely.
3.
Install accelerator pump on air horn and tighten screws securely.
4.
Install and tighten primary and secondary air bleed jets.
5.
Install new O-ring on secondary pilot jet set, slide assembly into position, then install lock and screw and tighten screw securely.
6.
Install new O-ring on primary pilot jet set, slide assembly into position, then install lock and screw and tighten screw securely.
7.
Install air switching valve on air horn and tighten screws securely.
8.
Install enrichment jet, then the enrichment valve assembly on air horn and tighten screws securely.
9.
Install coasting air valve on air horn and tighten screws securely.
10.
Install bowl vent valve assembly, and solenoid valve assembly if equipped, on air horn and tighten screws securely.
11.
Position new gaskets on air horn and install primary and secondary pedestals, tightening screws securely.
12.
Install and tighten main primary and main secondary jets.
13.
Position new O-rings on both venturis and install primary and secondary venturis, then the retainers.
14.
Position new O-ring on needle seat, then install new screen assembly on needle seat.
15.
Install shim and needle seat into air horn, then the retainer and screw.
16.
Position needle and float assembly on air horn and install retaining pin.
17.
Adjust float as described under ``On-Vehicle Adjustments.''
18.
Position new gaskets on throttle body, then seat main body on throttle body. Install nut, check ball and weight in main body and position new
gasket on main body.
19.
Install and tighten air horn to main body attaching screws.
20.
Install feedback solenoids on air horn.
21.
Install throttle position sensor and/or two vacuum hoses on air horn.
22.
Connect accelerator operating rod link to throttle lever.
23.
Install vacuum chamber on air horn, then connect vacuum hose and secondary throttle lever link.
24.
Connect choke unloader link and install E-clip.
