SHUSH!!!! - Ford Powerstroke Diesel Forum
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post #1 of 25 Old 01-21-2008, 01:20 PM Thread Starter
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SHUSH!!!!

Usually when it's cold, I'll let my truck idle for about 15-20 mins. When I get into it, the temp. needle is just about in the inside of the normal range. Now, when I take off I notice @ about 1/4 throttle, or letting off the throttle after take-off, I hear a "shushing" sound until the temp. needle reaches normal operating range. If I let off the throttle completely, I can't hear it. It seems to only occur when you have a tiny bit of foot on the throttle then, like I said, when it hits normal temp:GONE. I don't see any decrease in the rig's performance. No sputtering or hesitation @ take-off. And today I checked it up and down(engine, exhaust, and turbo) and I have no loose hardware, no leaks, no evidence of anything. In all my years working on PSD's, I've never encountered this problem. It definitely sounds like the turbo is making the noise, but is it just because it's cold? Has anyone else heard of such? Am I loosing it? Does anyone have a Kit-Kat(I'm hungry)?

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #2 of 25 Old 01-21-2008, 01:27 PM
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Its probobly your exhaust back pressure valve.

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #3 of 25 Old 01-21-2008, 01:31 PM
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+1 on the EBPV.

RICK


97 F350 CREW CAB 4x4, 7.3 TURBO DIESEL, DIY INTAKE , TW TUNES
GRAND ROCK POWERFLOW STACK KIT W/5" MITRES
3.55 REARS, 3" DOWNPIPE, FPR SHIMMED WITH GAUGE

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post #4 of 25 Old 01-21-2008, 03:01 PM Thread Starter
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Thanks a lot, guys! Tommorow's another day. I'll have a look @ it!

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #5 of 25 Old 01-21-2008, 03:03 PM
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Yeah it might be sticking a bit, but usually it will come on till the engine is warmed up as thats what its designed to do

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #6 of 25 Old 01-21-2008, 03:04 PM Thread Starter
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P.s.- I've got a habit of checking out rigs of people who either answer my questions or just drop a line in any of my threads...Nice rides, my bad brothers!

"HEAVY" 2001 F-250 XLT 4x4 EC SB:
TW 6pos chip, S&B CAI, Monster 4" exhaust w/ Power Elbow, Big Head WGA, Technicooler, ITP boost fooler, Gen 1 Wicked Wheel, Six-Gun Tuner, Optima Yellow Tops, AutoMeter(Boost, Trans, EGT), CCV mod, MTS TC, MTS valve body, Trans Tech performance rebuild kit, TransGo shift kit, Hornblasters 242 Shocker Train Horns.

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post #7 of 25 Old 01-21-2008, 03:08 PM
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mine also does that figured it was the ebpv but it is nice to know

2002 f-250 4X4 XLT 7.3,
stock tranny
DP-Tuner F6 chip
mbrp ss 4" turbo back exhaust
diy intake with zoodad mod
3 pilllar guage setup with autometer guages Thanks Raul
valve body
boost fooler
NEXT ON LIST
torque converter





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post #8 of 25 Old 01-21-2008, 03:12 PM
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Quote:
Originally Posted by heavymetalf-250 View Post
P.s.- I've got a habit of checking out rigs of people who either answer my questions or just drop a line in any of my threads...Nice rides, my bad brothers!
Thanks yours aint too shabby either

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #9 of 25 Old 01-21-2008, 03:41 PM
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My old truck seemed to sound the same only sometimes i heard it thoo.
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post #10 of 25 Old 01-21-2008, 03:48 PM
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Yeah mine was annoying the heck out me so I got rid of it. Mine was sticking closed and I lost power, mileage, and the hiss drove me nuts

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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