Join Date: Apr 2008
Location: Beeville, TX
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I know that my 2004 E450 has hydroboost brakes. I figured that they finally changed to hydroboost brakes when they changed to the 6.0 in 2004 (for vans). Maybe hydroboost was an option, or maybe it is standard on an E450. Don't know.
I have changed a number of vacuum pumps on 7.3l vans. It's not a terrible hassle. On a 7.3l you can get a little combination wrench onto the bolts without pulling the wheel off. You have to do them a little at a time, because they are too long to actually take out of the vacuum pump with the wheel in the way. Once you fiddle with it, and finally get it off, then you can take it to your bench to get the wheel off and install it on a new pump. Make sure you put the bolts into the holes (on the pump) before you install the wheel on the new pump. This way is a lot easier than working inside the truck where there is no room.
Now, on a 6.0l, I have no idea if it will be this simple. The engineers that designed the engine compartment layout for the 6.0l vans really deserve a special spot in hell. They go through all the trouble of shoe-horning a 6.0l in a van, and you get a whopping 235 Brake Horsepower (YAY!).. With the 7.3l you get 225 BHP and a lot less headaches.. The upside of having a 6.0l in a van is that it is a breeze to do an EGR block-off though.
Eli Benson - EMT, Ambulance Mechanic
'08 F350 Dually KR - Spartan'd
'07 F250 CC SB 4x4 XLT - SCT /w Innovative Tunes
4 '09 & '10 E350 6.0l ambulances
1 '08 Duramax 6.6 (LMM) van ambulance