Some Help needed
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Freshman User
Joined: Jun 2003
Posts: 49
Likes: 0
Some Help needed
Ok i got a few problems. the first is this im getting ready to change the oil in my Expy tonight. its a 1997 5.4 w/118k miles on it. what wieght of oil should i be getting ? im getting way to many variances under the search. should i use syntec? or dinO? ok i know this is a really dumb question but i always seem to screw this up but how many quarts of oil should i buy? it always seems like i buy one less then i need so if somone can tell me how many to pick up that would help me sorry if that sounds dumb but 
Aight heres the next problem when im towing my trailer and i make a turn(from a dead stop or a slow turn) i get this really wierd feeling out of the rear end like a grinding or something ? anyone know what that is ? its wierd and i want it to go away
heres the last problem. when going down the interstate at around 80 if i let off the throttle i get this wierd vibration throughout the whole truck ? if i do it at 70 i dont get this vibration ? anyone got some advice on this?
Thanks in advance,
John
Aight heres the next problem when im towing my trailer and i make a turn(from a dead stop or a slow turn) i get this really wierd feeling out of the rear end like a grinding or something ? anyone know what that is ? its wierd and i want it to go away
heres the last problem. when going down the interstate at around 80 if i let off the throttle i get this wierd vibration throughout the whole truck ? if i do it at 70 i dont get this vibration ? anyone got some advice on this?
Thanks in advance,
John
Senior User
Joined: Jun 2004
Posts: 228
Likes: 0
From: Twin Cities MN
Well, to help you out on the first part, 5.4L takes 6 quarts, depending on where you live determines what weight oil and composition I feel you should put in it. If you live in the northern climes, I would use a synthetic 0W-30 because of the excellent cold flow characteristics. If you live where it's more temperate, just about any API SL 5W-30 would do.
The rear end grinding noise may be from the differential, don't know and I won't venture any further guesses.
Wierd vibration is anyone's call, I have no idea.
The rear end grinding noise may be from the differential, don't know and I won't venture any further guesses.
Wierd vibration is anyone's call, I have no idea.
Logistics Pro
Joined: Apr 2004
Posts: 4,292
Likes: 5
From: NJ where fun comes to die
I think six quarts will do it. I have been using 10-30. Did you ever grease the ball on your tow hitch? Vibrations could be alot of things like tire balance, bearings, drive shaft etc. Take it and have it checked out. Something might be going bad. Keep your speed down until you know for sure. Good luck with it.
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
The grinding is probably your Limited Slip (if you've got one). A fluid swap, along with the appropriate amount of friction modifier, should cure the chattering in those low speed turns.
