4.0 Engine noise - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

Reply
 
LinkBack Thread Tools Search this Thread
  #1  
Old 03-02-2012
98rangerxlt's Avatar
Member
Thread Starter
 
Join Date: Mar 2009
Location: Bakersfield, CA
Posts: 725
4.0 Engine noise

Here is a video i made of my ranger with the 4.0 OHV making noise, this happens right after an oil change. If anybody knows what causes this, or if they had this issue before, let me know, thanks.
Reply With Quote
  #2  
Old 03-02-2012
Blhde's Avatar
Member
 
Join Date: Oct 2005
Location: Northern IL
Posts: 2,804
Piston slap

98-00 have short piston skirts causing a rattling noise at idle. Ford deemed this normal.

Mine does it, its worse after a fresh oil change.
Reply With Quote
  #3  
Old 03-02-2012
Member
 
Join Date: Aug 2010
Location: Round Rock
Posts: 484
I know it sounds bad but like Blhde says, it could be normal. I live in Texas and although the manufacturer calls for 5W-30 oil, I use 10W-40 since I live in a hotter climate.
Reply With Quote
  #4  
Old 03-02-2012
leadfoot's Avatar
Member
 
Join Date: Oct 2007
Location: MA
Posts: 894
It is normal piston slap. I believe in 98-00 the pistons also had offset wrist pins. The only way to prevent it is to change the oil fast.
Reply With Quote
  #5  
Old 03-03-2012
98rangerxlt's Avatar
Member
Thread Starter
 
Join Date: Mar 2009
Location: Bakersfield, CA
Posts: 725
Just had the oil changed.
Reply With Quote
  #6  
Old 03-03-2012
leadfoot's Avatar
Member
 
Join Date: Oct 2007
Location: MA
Posts: 894
Quote:
Originally Posted by 98rangerxlt View Post
Just had the oil changed.
I know. What I mean is don't dilly dally while changing your oil. As soon as the oil draining out turns from a constant stream to drips, plug it back up and refill it. The longer you take the more oil drains from the skirts. The ford V10 had a similar problem and people found that using a thinner synthetic oil and prefilling the oil filter helped get oil to the pistons faster reducing the marbling.
Reply With Quote
  #7  
Old 03-03-2012
Blhde's Avatar
Member
 
Join Date: Oct 2005
Location: Northern IL
Posts: 2,804
I prefill every oil change on every vehicle. Doesn't seem to help slap but I don't get the dry lifter tick on a fresh oil change.
Reply With Quote
  #8  
Old 06-08-2013
Member
 
Join Date: May 2013
Location: Elko Nevada
Posts: 7
Mine makes a noise similar, goes away after the engine warms up. It's not the valve train.
The person I bought the truck from replaced the engine with a long block assembly from AutoZone.
2000 XLT, 4.0L
Reply With Quote
  #9  
Old 06-08-2013
Alex98's Avatar
Member
 
Join Date: Jul 2007
Location: Baltimore, Maryland
Posts: 844
this is normal man, your engine will always make that noise. the 4.o ohv i have now makes the same sound, and its a 98.
Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
4.0 OHV valve noise or main bearing noise blair683 4.0L OHV & SOHC V6 Tech 4 07-09-2015 09:40 PM
Ticking noise at low speeds, lots of noise in general heaton84 General Technical & Electrical 8 11-18-2007 11:52 AM
Whinning engine noise in speakers fletch12518 Audio & Video Tech 20 12-12-2006 07:42 PM
headers on!!!! more noise in engine bay??? dixie789456 2.9L & 3.0L V6 Tech 9 12-02-2006 09:58 AM
Squeeky Noise from engine when starts up? fletch12518 4.0L OHV & SOHC V6 Tech 16 12-06-2005 04:39 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

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 Off
Pingbacks are Off
Refbacks are Off



All times are GMT -6. The time now is 11:05 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.