• Hey Guest!
    British Car Forum has been supporting enthusiasts for over 25 years by providing a great place to share our love for British cars. You can support our efforts by upgrading your membership for less than the dues of most car clubs. There are some perks with a member upgrade!

    **Upgrade Now**
    (PS: Upgraded members don't see this banner, nor will you see the Google ads that appear on the site.)
Tips
Tips

I screwed up - Bosch VE pump.

70herald

Luke Skywalker
Country flag
Offline
Well to try and stop a big fuel leak on my Nissan Serena. (LD23 diesel Engine) I eased off the back of the pump to replace the o-ring between the aluminium body and the cast iron head (part where the high pressure pumps are and the outlets to the injectors. THAT part went OK I think (nothing escaped and it all went together easily)

but now I have 2 problems:
1 the pump won't prime.

2 Trying to get to the head I took off the accelerator and top plate but now the "idle mixture" potentiometer may not be set properly - WHAT is an Idle mixture control on diesel engine? diesel has the air fully opened and all control is from the amount of fuel injected. Any ideas?
 

Attachments

  • pump.jpg
    pump.jpg
    94.2 KB · Views: 148
OK I finally got it to prime and realized that I put the accelerator arm on a bit rotated so it wasn't opening the throttle at all. Now it starts. warm and cold idle are high but that is just two screws, probably full power will be a bit low. That will be a pain since it has a tamper nut.

Still trying to figure out what the potentiometer does.. (doesn't seem to do much actually)
 
Back
Top