"Whistling" in 4WD - Diesel Forum

		Diesel Forum - TheDieselStop.com > 1999-2007 Ford Super Duties > 1999-2007 General Questions
"Whistling" in 4WD

1999-2007 General Questions General questions related to 1999-2007 Super Duty trucks. If it doesn't fit the other categories, post it here. Gas engine discussion that pertains to all models is allowed. Specific gas engine questions should use the Gas Engines forum.

TheDieselstop.com is the premier Diesel Truck Forum on the internet. Registered Users do not see the above ads.

LinkBack

Thread Tools

Display Modes

03-06-2005, 12:57 AM	#1 (permalink)
AllStarPSD Senior Member Join Date: Feb 2002 Location: NC & FL Posts: 1,449 My Photos: (7) Feedback Score: 0 reviews	"Whistling" in 4WD i have noticed my truck has an "air leaking" sound periodically. i can only hear it sitting in the truck, i guess the engine is too loud outside for me to hear it. it seems to be coming from underhood or in dash. and i noticed today that i only hear it when truck is 4WD .. not the whole time its in 4WD, just every now and then. when i heard it today, i switched back to 2WD and the noise stopped. any ideas? maybe a vacuum line leak? thomas __________________ <font color="orange"> __________________________________________________ _____________________________</font> aka Power-Strokin' (234 posts) <font color="orange">'02 F250 XLT CC PSD 4WD</font> <font color="navy">3.73ls VDH2 oxford white/silver metallic, DP-Tuner 4 pos.(40, 70, 100, 125), FTVB, AIS, WD Turbo Brake III, 4" Magna-Flow turbo-back exhaust, wicked wheel, 3 guage A-pillar pod w/ Di-pricol white-face guages, ITP fuel system, after market leather seats (two tone), Super-Liner, "chromed" emblems, CCV mod., BFG AT 295/75-16 on 16 x 10 Ultra Type 50/51 wheels, Rancho RSX, Amsoil bumper-to-bumper, PopUp GN hitch, GOS harness & SilverStars </font> '04 F250CC Lariat PSD FX4 white/silver, Putco stainless toolbox, stock!!! <font color="red"> Immokalee Regional Raceway </font> <font color="green"> '57 Cushman Eagle </font>

Remove Advertisements

Sponsored Links

The Diesel Stop

03-06-2005, 08:46 AM	#2 (permalink)
TBAR Senior Member Join Date: Dec 2001 Location: Texas Posts: 3,224 My Photos: (0) Feedback Score: 0 reviews	Re: "Whistling" in 4WD [ QUOTE ] any ideas? maybe a vacuum line leak? [/ QUOTE ] Yep..........check the vacuum lines going to your hubs. You might also pull your hubs off and service them. The orings in them may be going bad. Tbar __________________ 99.5 F250, White, CC, PS, Auto, 4X4, 3.73, NVK3, 4"exhaust, twildman 4-position chip, 3-piller mt w/Ispro gauges, VDO oil pressure gauge, SW water temp gauge, Amsoil Lubs, Coolant Filter, Racor445, Zoodad, TC Lock Up, Bilstien Shocks, Cab Lights Hooked to Turn Signals, Side Marker Lights hooked to Turn Signals, Hutch Fuel Line Repair #1 & #2, Harponed Fuel Tank, Tymar HPX, Garmin GPS-V, Glasstite Topper, Rugged Gear Gun Mt, Procomp Steering Stabilizer, Fumoto Drain Valve, JNB Fuel Mod, AFE Air Filter, Kenwood TM-D700 dual band radio

03-06-2005, 10:13 PM	#3 (permalink)
AllStarPSD Senior Member Join Date: Feb 2002 Location: NC & FL Posts: 1,449 My Photos: (7) Feedback Score: 0 reviews	Re: "Whistling" in 4WD thanks tbar thomas __________________ <font color="orange"> __________________________________________________ _____________________________</font> aka Power-Strokin' (234 posts) <font color="orange">'02 F250 XLT CC PSD 4WD</font> <font color="navy">3.73ls VDH2 oxford white/silver metallic, DP-Tuner 4 pos.(40, 70, 100, 125), FTVB, AIS, WD Turbo Brake III, 4" Magna-Flow turbo-back exhaust, wicked wheel, 3 guage A-pillar pod w/ Di-pricol white-face guages, ITP fuel system, after market leather seats (two tone), Super-Liner, "chromed" emblems, CCV mod., BFG AT 295/75-16 on 16 x 10 Ultra Type 50/51 wheels, Rancho RSX, Amsoil bumper-to-bumper, PopUp GN hitch, GOS harness & SilverStars </font> '04 F250CC Lariat PSD FX4 white/silver, Putco stainless toolbox, stock!!! <font color="red"> Immokalee Regional Raceway </font> <font color="green"> '57 Cushman Eagle </font>

Remove Advertisements Sponsored Links
The Diesel Stop Advertisement

« DieselKleen question/Thanks for all the reply's...:( | 05 Brakes are now much firmer. »

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are On Pingbacks are On Refbacks are On Forum Rules