Cleaning TD5 injector plugs

Guys, doing the usual loom replacement on my TD5, but this is the first one I've done as my last TD5 didn't need it. If you want a laugh check the amount of gunk in the attached photo
A really simple question: the injector plugs themselves have quite a bit of oil sitting in them. I am about to go over each one with kitchen roll to mop up all the oil, but can I just use contact cleaner like on the plug and harness?
I'm just not sure excess contact cleaner dripping down into the head would be a good thing? Or does "zero residue" mean it will all just evaporate off? Did wonders to the connectors, so it would be a lot more effective on the injector plugs.
What do you guys do?
Thanks
Jock

BigJock2005 said:

Guys, doing the usual loom replacement on my TD5, but this is the first one I've done as my last TD5 didn't need it. If you want a laugh check the amount of gunk in the attached photo
A really simple question: the injector plugs themselves have quite a bit of oil sitting in them. I am about to go over each one with kitchen roll to mop up all the oil, but can I just use contact cleaner like on the plug and harness?
I'm just not sure excess contact cleaner dripping down into the head would be a good thing? Or does "zero residue" mean it will all just evaporate off? Did wonders to the connectors, so it would be a lot more effective on the injector plugs.
What do you guys do?
Thanks
Jock

View attachment 160240

Click to expand...

Switch cleaner/contact cleaner will work fine. Don't worry about a bit getting into the engine it evaporates off, it is just isopropyl alcohol or similar.

Thanks - paranoia at work!

So I changed the loom. No problem at all, although the multi plug connector is tricky to get home. A bit more cleaning and she clicked nice and tight.
Here's the thing: I started her and went for a drive, and she seems to run smoother and much quieter. Is this the usual psychological trick when you've spent some time working on the truck, or is it possible that the gunk on the plug in the picture was actually degrading the signals to the injectors?

BigJock2005 said:

So I changed the loom. No problem at all, although the multi plug connector is tricky to get home. A bit more cleaning and she clicked nice and tight.
Here's the thing: I started her and went for a drive, and she seems to run smoother and much quieter. Is this the usual psychological trick when you've spent some time working on the truck, or is it possible that the gunk on the plug in the picture was actually degrading the signals to the injectors?

Click to expand...

Given that gunk and oil on the plug can cause the engine to run like a total dog or not at all, I would say small amounts could cause incorrect fuel metering that could lead to poor running yes.