Looking for vacuum diagrams for Gumby I cam across this. Maybe useful, maybe not...
B1KT03K1 Modification : Discontinuation of the air mixer
DW10ATED TURBO DIESEL SINCE RPO No. 09611
1. Modification
CAUTION : The marking of the solenoid valves remains identical irrespective of the assembly.
Previous assembly (Up to build code : 09610).
![Image](http://i222.photobucket.com/albums/dd196/steve_earwig/2014/2014-01/b1kk034d_zps5fd470f6.jpg)
(1) EGR valve .
(2) Turbo solenoid valve .
(3) EGR solenoid valve.
(4) Dosing solenoid valve.
(5) Air hose .
(6) Air hose (Turbocharger inlet).
(7) Air mixer .
(8) Air mixer capsule.
(9) Turbo capsule .
New assembly (From build code : 09611).
![Image](http://i222.photobucket.com/albums/dd196/steve_earwig/2014/2014-01/b1kk035d_zpsbdafeedc.jpg)
(1) EGR valve .
(2) Turbo solenoid valve .
(3) EGR solenoid valve.
(5) Air hose .
(6) Air hose (Turbocharger inlet).
(9) Turbo capsule .
2. Connection of the take-off points on the solenoid valves
![Image](http://i222.photobucket.com/albums/dd196/steve_earwig/2014/2014-01/b1kk036d_zpsa8aa2339.jpg)
Colour identification
electrovalves Electrical connector (a) (b) (c)
(2) turbocharger Grey Grey /White White Grey
(3) Egr Blue White /Blue White Blue
(4) Air mixer (Previous assembly) Black White White Without
3. Interchangeability
The earlier and later parts are not interchangeable.
Parts Division continues to supply both assemblies.
Hmm, it seems to have lost the formatting. Ah well, if it's any use to any one (besides the magic RPO) I'm sure we can do something better with it.