Painting injection pump

[92EcoDiesel Jetta]

Anyone ever paint their injection pumps to keep the aluminum body from corroding? Isn't that standard procedure on marine IP's?


If I clean/ de-grease the IP, tape all fuel ports and the drive shaft/ bearing, do you see any problems spraying the whole thing with VHT polyurethane wheel paint? I just cleaned up and painted my forged VW alloy wheels with VHT aluminum colored wheel paint and have some left and want to put it to good use.

[theman53]

I painted mine. I didn't paint the face on the pulley end as I didn't think it would need it and it didn't. It stays clean on the timing cover. Some will say it could get into the pump if you took it apart to do the gov mod or anything else for that matter, but if you don't paint it rust and corrosion could get into the pump. At least paint has a chance to break down if it got into it.

[ftm1776]

In my mind there is nothing like the clean look of aluminum. I've had my 1991 MK2 since new, 24 years, and the pump looks great. Recently rebuilt at Diesel Fuel Injection Service in Portland, Or.
As noted, if one is operating in a salty environment, it might be reasonable to paint the pump. I, however, would opt for something like Tectyl 506 anti-corrosive that can then be easily washed off with mineral spirits at rebuild time.
If it's the "look" that you are after, then paint away !!!!

[RunninWild]

I also like the look of aluminum but I was bored, inspired from this thread and had some leftover caliper paint. I basically covered the parts of my pump that were starting to look pretty nasty. I left the body untouched to make leaks easier to see. Havn't decided if I'm going to paint the body yet, if I do it would probably be an aluminum colour anyways. Block is going to be ford racing blue

[92EcoDiesel Jetta]

Tectyl 506 is interesting! Does it stand up to the engine compartment environment? Is that what you used to keep your 24 year old pump looking great? How often di you have to re-apply? How about a pic of your pump?

In my mind there is nothing like the clean look of aluminum. I've had my 1991 MK2 since new, 24 years, and the pump looks great. Recently rebuilt at Diesel Fuel Injection Service in Portland, Or.
As noted, if one is operating in a salty environment, it might be reasonable to paint the pump. I, however, would opt for something like Tectyl 506 anti-corrosive that can then be easily washed off with mineral spirits at rebuild time.
If it's the "look" that you are after, then paint away !!!!