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I ran it through the front left bed stake pocket down between the box. Note: put a piece of screen on the end to keep mud daubers from clogging the hose
I have a 90 gallon RDS gravity fed aux tank in my 3500 long bed.
I have used the same tank on 3 different trucks. Lets face it at 10MPG towing, the expense of swapping out your 32 gallon tank for 18 more gallons, is cost prohibitive
2019 and yes, I have the DTE gauge. The main tank vent shouldn’t allow either pressure nor vacuum to build up in your main tank. I installed the aux tank valve with one end at the main tank rubber boot (I had to cutoff a couple of inches of the metal fill pipe for it to fit).
I believe that...
I have an RDS
I have an RDS 90 gallon gravity feeding into main tank, no codes. BTW, you should not have a vacuum issue. Your main tank or aux tanks breather line is plugged if you do
Wheel to Wheel Crew Cab Chrome
68361673AA Left
68361672AA Right
Crew Cab Length Chrome
68361669AA Left
68361668AA Right
Crew Cab Length Body Color Coded
6MP91RUWAA Left
6MP90RUWAA Right
68193128AB Hardware
Wheel to Wheel Crew Cab Chrome
68361673AA Left
68361672AA Right
Crew...
More than likely the little vent hose where the roll over vent valve is, has a mud dauber nest in it. I ended up putting a screen over the hose opening.
To check, when you see that it isn’t feeding into your mains, open the fuel cap. It should NOT have a vacuum.
Here is what you are looking for.
Wheel to Wheel Crew Cab Chrome
68361673AA Left
68361672AA Right
Crew Cab Length Chrome
68361669AA Left
68361668AA Right