Notices
Excursion - King of SUVs 2000 - 2005 Ford Excursion
Sponsored by:
Sponsored by:

Noise at Start up?

Thread Tools
 
Search this Thread
 
Old Jun 11, 2011 | 04:38 PM
  #1  
EMC V10 X's Avatar
EMC V10 X
Thread Starter
|
Senior User
Joined: Oct 2010
Posts: 276
Likes: 2
From: Bonita Springs FL
Noise at Start up?

My truck as done this for a while and it have never concerned me, but the curiosity is KILLING me...

When I first turn on the ignition I hear a "vrwump" type sound. Its before I turn the key to START, just ignition on. It almost sounds like it could be the transfer case electric shift. Any ideas?
 
Reply
Old Jun 12, 2011 | 12:11 AM
  #2  
the ponz's Avatar
the ponz
Senior User
15 Year Member
Joined: Mar 2011
Posts: 115
Likes: 0
Might be the vacuum pump coming on moving a vacuum seal in the front axle.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Bill Kelly
1999 - 2003 7.3L Power Stroke Diesel
4
Feb 2, 2014 06:33 PM
dsdunn123
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
9
Aug 18, 2012 09:36 PM
USCGColletti
1987 - 1996 F150 & Larger F-Series Trucks
3
Jul 3, 2010 06:33 PM
vbowers
1999 - 2003 7.3L Power Stroke Diesel
7
Nov 1, 2007 06:01 AM
Fordman Dunn
1999 - 2016 Super Duty
7
Sep 14, 2004 05:42 AM




All times are GMT -5. The time now is 12:35 AM.

story-0
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-02 21:45:57


VIEW MORE
story-1
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-05-30 18:33:59


VIEW MORE
story-2
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-3
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-4
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE
story-5
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

And it might be even better than that.

By Brett Foote | 2026-05-18 19:26:42


VIEW MORE
story-6
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

Slideshow: Does lowering an F-150 Lobo RUIN the ride quality?

By Michael S. Palmer | 2026-05-18 19:20:37


VIEW MORE
story-7
Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Slideshow: Ford's bizarre fishing-themed Explorer concept has resurfaced after spending decades largely forgotten.

By Verdad Gallardo | 2026-05-12 18:07:46


VIEW MORE
story-8
10 Best Ford Truck Engines We Miss the Most!

Slideshow: The 10 best Ford truck engines we miss the most.

By Joe Kucinski | 2026-05-12 13:09:47


VIEW MORE
story-9
2026 Shelby F-150 Off-Road: Better Than a Raptor R?

Slideshow: first look at the 810 hp 2026 Shelby F-150 Off-Road!

By Brett Foote | 2026-05-12 12:50:07


VIEW MORE