no boost = blown turbo?? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 6 (permalink) Old 06-29-2010, 03:38 AM Thread Starter
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no boost = blown turbo??

I was really getting into it to see what it would do (boost was around 20psi or so) then all of a sudden something popped, a bunch of air released (pshhhh!), and turbo boost went to zero.

I think I might have popped a line or popped a connection loose. I checked the boost gauge line and it is fine, so it's not leaking through that. I'm hoping it's just a blown/loose line. The turbo didn't make any noises when it happened, it just doesn't spool up now.

I need some suggestions on where to start looking.

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post #2 of 6 (permalink) Old 06-29-2010, 03:47 AM
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It could be the turbo, but is more likely an intercooler boot. They are usually the weak point in the system. Check all of them. Sometimes leaks are difficult to find by looking from the top side. You may have to remove them, unless you can come up with some way to put a little air in the system and listen for leaks.

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post #3 of 6 (permalink) Old 06-29-2010, 05:14 AM
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the constant clamp things SUCK! deffinately want to replace those.. look for the tubes being blown out of the boots. if you have a split boot then id replace all of them from either a vendor or possibly a big rig shop and cut your own.
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post #4 of 6 (permalink) Old 06-29-2010, 11:30 AM
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I almost poo'd myself when this first happen to me. Coming up a steep grade, towing a chipper with a load of wood chips in the back. POP, pulled into a parking lot and put the boot back on. I ended up cleaning them all, and putting them back on, good ever since. Some people recommend putting them back on with hair spray, as it has that sticky film.

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post #5 of 6 (permalink) Old 06-29-2010, 04:35 PM Thread Starter
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Thanks for the quick responses. Turns out it was an intercooler connection. I guess I didn't tighten the clamps enough when I put it back on after doing my foil-delete. I just didn't notice it last night in the dark.

2002 F-250 7.3 XLT CC/SB -- 4R100 -- 3.73 gears -- 139k miles -- 285/75R16 TreadWright Guard Dog M/Ts -- 3" leveling kit
4" MBRP exhaust -- foil delete -- DIY intake -- zoodad mod -- Wicked Wheel -- Auto Meter Ultra-Lite II gauges -- PHP F.U. 6 position chip
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post #6 of 6 (permalink) Old 07-01-2010, 01:23 AM
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yea the hairspray works wonders.. and making sure that the boots are nice and clean on the inside and not oily is key as well. dont be surprised if it pops again.. seems once they pop it tends to happen more often.
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