07.3—230 Removal and installation of throttle valve housing   Note   Connection (arrow) for ignition retard on throttle valve housing is no longer installed.   1074-938811   A Former version B Present version   To…

    07.3—225 Removal and installation of mixture controller with air guide housing   Tightening torques Nm   Hex. nuts mixture controller to intake manifold (rubber buffer) 9-10   Injection lines and fuel lines to fuel distributor…

    07.3—220 Replacement of air flow sensor   Note   Following installation of light alloy fuel distributor in production vehicles (series), the safety switch on air flow sensor is no longer installed. An electronic relay is…

    07.3-215 Removal and installation of injection valves   Tightening torques (reference values) Nm   Injection lines to fuel distributor 10-12   Injection lines to injection valves 10-15   Removal   1    Remove air cleaner.…

    07.3—210 Reconditioning of system pressure regulator and pressure compensating valve   Test values   System pressure (engine cold or warm) at idle       5.0-5.6 bar gauge pressure Conventional tools        …

    07.3—205 Replacement of fuel distributor   Tightening torques (reference values) Nm   Injection lines to fuel distributor   Fuel line for cold starting valve to fuel distributor   Fuel return line from warm-up compensator to…

    07.3—200 Removal and installation of mixture controller   Tightening torques Nm   Hex. screws mixture controller to air guide housing 9-10   Hex. nuts mixture controller to intake manifold (rubber buffer) 9-10   Injection lines…

    07.3—199 Survey mixture preparation   1 Cold starting valve 2 Fuel distributor 3 Injection lines 4 Plastic clip 5 Plastic clip 6 Fuel line 7 Nut 8 Corrugated washer 9 Fastening bridge 10 Injection valve…

    07.3—165 Checking fuel pump relay with electronic rpm regulation (breakaway)   Breakaway speeds   Engine MB-part no. Breakaway speed 1/min Speed signal   Without decel shutoff   Standard version and starting model year 1981  …

    07.3—160 Checking fuel distributor for constant delivery   Test values   Load range Fixation of air flow sensor plate at approx. . . cc/min max. dissipation in cc/min With gray iron fuel distributor    …