New Expy- few issues-few questions

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

thebuckaman

Active Member
Joined
Dec 15, 2014
Posts
27
Reaction score
0
Location
il
Just bought a 2004 XLT 4wd with 109k. It seems that all of the fluids (besides oil) are original, as well as plugs. Truck drives out nice, but I will be swapping these fluids out soon (plugs as well, just need to get the courage to try them).

I have two issues that have popped up since I bought it. One is a flapping noise from the passenger door area based on buffeting wind from a semi or based on higher speeds. I am thinking it is the small piece of cladding near the front wheel well, but I stuffed it with egg crate foam and it is still there.

Second is a whining noise only when I am on the gas. When I let off, the whining goes away. Any ideas. I'm hoping it goes away with new fluids.

BTW, what fluids for:

Front-rear diff-
Transfer case-
trans fluid

Thanks!
 

thenaaks

Full Access Members
Joined
Sep 24, 2014
Posts
175
Reaction score
20
Location
Sparta TN
Change (flush) your coolant, too. Just because it meets freezing temp requirements doesn't meant that its corrosion inhibitors are still up to spec.
 

GAINMOB

Full Access Members
Joined
May 19, 2010
Posts
14,565
Reaction score
893
Location
Newport News, VA
its time for the 100K change...all fluids...ALL filters...coil over plugs, sparks, check the upper lower ball joints...should be time for them...
 
OP
OP
T

thebuckaman

Active Member
Joined
Dec 15, 2014
Posts
27
Reaction score
0
Location
il
Thanks for the replies.

I did look in the owners manual on the fluids, but I have read conflicting things on what actual fluids to use since TSB's have been released.

What engine oils do you guys use? Anyone use 0w20?

Front-rear diff- 75w90 or I have heard 75w140. needs to be synthetic correct?
Transfer case- Any Mercon trans fluid?
trans fluid- Any Mercon V fluid ok? Cant be any multi platform fluid correct?

Does anyone have a link to tips and tricks for doing the spark plugs without breaking them?
 

Transporter

Full Access Members
Joined
Jan 9, 2013
Posts
191
Reaction score
32
Location
Atlanta
Thanks for the replies.

I did look in the owners manual on the fluids, but I have read conflicting things on what actual fluids to use since TSB's have been released.

What engine oils do you guys use? Anyone use 0w20?

Front-rear diff- 75w90 or I have heard 75w140. needs to be synthetic correct?
Transfer case- Any Mercon trans fluid?
trans fluid- Any Mercon V fluid ok? Cant be any multi platform fluid correct?

Does anyone have a link to tips and tricks for doing the spark plugs without breaking them?

I run 5W-20 in my Expy. I use all synthetic.

AMSOIL Online Product Application Guide
 
OP
OP
T

thebuckaman

Active Member
Joined
Dec 15, 2014
Posts
27
Reaction score
0
Location
il
Ok thanks. Also, is it 75w90 in front diff and 75w140 rear now?
 

GAINMOB

Full Access Members
Joined
May 19, 2010
Posts
14,565
Reaction score
893
Location
Newport News, VA
are u reading the manual or whats on the site? you could call the dealership parts store and they'll tell u all factory weight for all the fluids or go to autozone...walmart...napa...o'reilly...anywhere that would have the books to look them up in the aisle...or ask them to look it up too...

ALSO...you can go on autozone.com and put in the vehicle information and it'll tell u everything as well
 
OP
OP
T

thebuckaman

Active Member
Joined
Dec 15, 2014
Posts
27
Reaction score
0
Location
il
It's conflicting. Manual States 75w90 for both. Chiltons States 75w90 for front and 75w140 rear. There is a tsb folks are quoting online that says the 140 oil replaces the 90 oil. I will call the dealership today
 

Transporter

Full Access Members
Joined
Jan 9, 2013
Posts
191
Reaction score
32
Location
Atlanta
It's conflicting. Manual States 75w90 for both. Chiltons States 75w90 for front and 75w140 rear. There is a tsb folks are quoting online that says the 140 oil replaces the 90 oil. I will call the dealership today

Again if you open the link I posted it gives you all the amounts and weights. The REAR is 75W140 whether standard or limited slip differential

AMSOIL Online Product Application Guide
 

sitruc_btb

Full Access Members
Joined
Dec 2, 2013
Posts
418
Reaction score
87
Location
Chandler, AZ
Fluids won't fix a whine. Could be worn pulley bearings, p/s pump could be sucking air, or low on fluid.
 

AskMeLater

Well-Known Member
Joined
Apr 27, 2014
Posts
69
Reaction score
9
Location
Amarillo, Texas
flapping noise from the passenger door area based on buffeting wind from a semi or based on higher speeds. I am thinking it is the small piece of cladding near the front wheel well, but I stuffed it with egg crate foam and it is still there.

My 2003 has this same issue. It drove me nuts for several weeks after I bought it earlier this year in April. I originally thought it was the windshield wiper, but it actually turned out to be the black cowl trim that runs the width of the windshield at the bottom. The fastener on the very edge (pass side) is broken/missing, which causes an intermittent 'flapping' noise right in the general area of the wiper. I'm in the market for a replacement piece.
YMMV

Hope this helps
 
OP
OP
T

thebuckaman

Active Member
Joined
Dec 15, 2014
Posts
27
Reaction score
0
Location
il
Just fixed the flapping noise. It was loose parts on the roof rack. Tightened them up and gone. I love when the fix is something free!
 
OP
OP
T

thebuckaman

Active Member
Joined
Dec 15, 2014
Posts
27
Reaction score
0
Location
il
Changed the front and rear diffs as well as transfer case on Xmas eve. 75w90 Mobil syn in front and 75w140 rear. Havoline mercon v in transfer case. Diff fluid in rear was nasty as well as the magnetic plugs. Glad to have it out. Trans pan and filter next week. Also put Mobil 1 extended performance 0w20 in with motor craft 820s
 
Top