Bosch K-Jetronic and KE-Jetronic mechanical fuel injection systems
Cold start valve - removal and refitting
In this manual: Bosch K-Jetronic and KE-Jetronic mechanical fuel injection systems
~2min read
Note: Refer to the precautions at the end of Section 1 before proceeding. K-Jetronic system
Removal
1 Disconnect the battery earth lead.
9.2 Disconnecting the cold start valve wiring multi-plug 3 Slowly unscrew and remove the fuel supply pipe banjo bolt. Take care on removal, as the system will be under pressure. Soak up fuel spillage with a cloth. 4 Unscrew and remove the two socket-head mounting bolts using an Allen key or Torx type key or socket bit on later models, and remove the valve. Refitting
5 Refitting is a reversal of the removal procedure. Do not overtighten the banjo bolt or the washers may fracture (use a new one each side of the union). 6 On completion restart the engine and check for signs of fuel leakage. KE-Jetronic system
Removal
7 Disconnect the battery earth lead.
9.8 KE-Jetronic system cold start valve location
11 Refitting is a reversal of removal. Do not overtighten the banjo bolt or the washers may fracture (use a new one each side of the union).
Removal
1 Disconnect the battery earth lead.
2 Detach the electrical wiring multi-plug from the valve (see illustration).
9.2 Disconnecting the cold start valve wiring multi-plug 3 Slowly unscrew and remove the fuel supply pipe banjo bolt. Take care on removal, as the system will be under pressure. Soak up fuel spillage with a cloth. 4 Unscrew and remove the two socket-head mounting bolts using an Allen key or Torx type key or socket bit on later models, and remove the valve. Refitting
5 Refitting is a reversal of the removal procedure. Do not overtighten the banjo bolt or the washers may fracture (use a new one each side of the union). 6 On completion restart the engine and check for signs of fuel leakage. KE-Jetronic system
Removal
7 Disconnect the battery earth lead.
8 Disconnect the wiring multi-plug from the valve which is located underneath the throttle housing (see illustration).
9.8 KE-Jetronic system cold start valve location
A Fuel pipe union B Retaining bolts
9 Slowly unscrew and remove the fuel supply pipe banjo union. Take care on removal, as the system will be under pressure. Soak up fuel spillage with a cloth. 10 Unscrew and remove the two Torx type mounting bolts using a Torx key or socket bit. Remove the valve from under the throttle housing. Refitting11 Refitting is a reversal of removal. Do not overtighten the banjo bolt or the washers may fracture (use a new one each side of the union).
12 On completion restart the engine and check for leaks.
Test yourself
A quick Ford Escort quiz: every answer comes with an explanation and a link to the manual page.
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