gmctd wrote:
The old wives' tale about 'ya can''t wash a Diesel' has basis in fact - cold water on a hot engine causes localized stress which can result in warps and cracks - cracked exhaust manifolds can be first sign of problems - that rigid cast-aluminum pan is worrisome in instantly submerged situations, 180deg inside, suddenly 80deg outside - oil pans have generally been of drawn steel, flexible, stress-resistant - have we not heard because they do not fail, or because the failures are not part of any forum membership?
What percentage of forum membership actually offroads, and what percentage of those splashes and 'mudzit' every chance they get?
Scare tactics? Yes - unless it's an emergency situation, best bet is to take it slow, allow gradual temperature change - which used to be the normal approach for off-roading and 'fording', anyway.
I offroad abit and a few others with CRD's in AZ do. I stay away from water for the most part... we don't have much in AZ to begin with and I don't want to take a diesel through anything too deep. Putting water in the turbo intake does not sound like fun. I have had it in the mud up to the top of the wheels before the lift and I have had to drive through water about a foot and a half deep, as well (to get to work-- road washes out about once a year). In both cases it was already raining pretty heavy at the time, so I am sure everything was already getting wet. I also checked the airbox afterward on both occasions and it was bone dry at the filter. A few drops were in the bottom of the airbox the last time. I change the diffs afterwards too, but I have yet to notice any milky water contamination when doing so.
I do have a snorkel waiting to put on, but mainly to help with dirt injestion when caravan driving-- and to make d4mn sure no water goes in the intake... and to piss off those that hate the KJ. I will continue to do crossings here and there, but will take my time. If I have any trouble with the pan, etc, I will post.