I have an 85 CUCV that was rough starting. After scouring this forum and eliminating options, I came to the conclusion that the o-ring on my fuel sensor switch was bad. I ordered a new sensor switch, but it was a different and newer version. The new switch either 1) didn't come with a new o-ring and/or retaining star cap, or 2) I lost both of them before I got a chance to do the replacement. The new one did however, have a retaining washer, but the retaining washer did not serve the purpose of sealing the front of the switch as the retaining star cap seems to. I tried to do the replacement, and it was an utter failure. I could not get the sensor switch to seat in its place with the retaining star and retaining washer both in use. What is the purpose of the retaining washer on the new "type III" fuel sensor switch?
Upon attempting to remove the sensor switch to have a look at what was going on, the retaining washer truly outdid itself, and I definitely ruined the new sensor switch. I am now worried that I fouled the filter base fooling around trying to pry the sensor switch out. Regardless, I'm planning to at least replace the filter base and am contemplating an attempt at a conversion to a spin on filter like I've seen suggested on this site.
Something that may influence the best course of action is the fact that the vehicle is equipped with an arctic heating system. Just the cab and engine heater, not the swingfire pump (that I'm aware of, I'm in Juneau so it doesn't get cold enough to necessitate a swingfire heater, if that's even what it called...I know nothing about it). My question is:
Does the fuel for the cab/engine heating system go through the same fuel filter as the engine fuel (I'm pretty sure this isn't the case)? If so, will that affect the possibility of installing a spin on filter?
If I replace the fuel filter base with a new Stanadyne 80, I have read on this forum that it's a new version and the fuel sensor switch is internal (I think I read that right) and I have also read that the fuel sensor switch was redundant and only in the military vehicles for some sort of extra precaution (some thing about ice and water or something). Would that "extra precaution" become not "extra" if I'm living in a cold climate (not super cold... Juneau, AK)? So to be sure, does the new style filter base positively have a fuel sensor switch internally? If not, will that be a problem if it gets real cold?
I am pretty sure that the arctic heater is a separate system from the engine fuel, but not positive. Please advise.
Thanks.
Upon attempting to remove the sensor switch to have a look at what was going on, the retaining washer truly outdid itself, and I definitely ruined the new sensor switch. I am now worried that I fouled the filter base fooling around trying to pry the sensor switch out. Regardless, I'm planning to at least replace the filter base and am contemplating an attempt at a conversion to a spin on filter like I've seen suggested on this site.
Something that may influence the best course of action is the fact that the vehicle is equipped with an arctic heating system. Just the cab and engine heater, not the swingfire pump (that I'm aware of, I'm in Juneau so it doesn't get cold enough to necessitate a swingfire heater, if that's even what it called...I know nothing about it). My question is:
Does the fuel for the cab/engine heating system go through the same fuel filter as the engine fuel (I'm pretty sure this isn't the case)? If so, will that affect the possibility of installing a spin on filter?
If I replace the fuel filter base with a new Stanadyne 80, I have read on this forum that it's a new version and the fuel sensor switch is internal (I think I read that right) and I have also read that the fuel sensor switch was redundant and only in the military vehicles for some sort of extra precaution (some thing about ice and water or something). Would that "extra precaution" become not "extra" if I'm living in a cold climate (not super cold... Juneau, AK)? So to be sure, does the new style filter base positively have a fuel sensor switch internally? If not, will that be a problem if it gets real cold?
I am pretty sure that the arctic heater is a separate system from the engine fuel, but not positive. Please advise.
Thanks.
