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..Both have had numerous turbos , both have driveability problems with surging and just flat acceleration , mostly cold..Probaly bad gas pedal Balljoints at 40,000 miles....Look at whats under the hood, thats why! That engine is heavy! whats the deal with blowing off the turbo tube and hoses ?? Why are the tube and hoses from the aftercooler to engine loaded with oil on both trucks...The engine breather is routed into the intake pipe, the elemnet in the "breather" on the valve cover needs replacings or you need to get a different method of diposing of the gases. navistar has/had a kit to d othis,about 30 bucks is what I paid for mine.
..I've got to the point where I'm wiring and ty-raping the hoses and tube in place so it won't blow off as often..Again this kit will fix that, but you might be just as well to replace the boots and clamps. ..It wasn't that many years ago , that if you bought a new truck , you could run it 40 or 50,000 miles with just oil changes..Not any more.. Yes you can, if you take care of it properly.I have 70000 there anbouts on my 01 and it has had nothing more than normal maintenance, with exception to front brakes which goes back to what I said about how heavy the engine is! Now if both have the 6 leaker, then your problems sound normal to me.
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