2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 engine
Sponsored by:
Sponsored by:

knocking sound

Thread Tools
 
Search this Thread
 
  #1  
Old 12-17-2008, 03:12 PM
jg12x's Avatar
jg12x
jg12x is offline
New User
Thread Starter
Join Date: Dec 2008
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
knocking sound

I have a constant knocking or ticking sound from the engine, does anyone else have this issue? I read something about cam phasers, kind of sounds like rocker's hitting... Thanks for any help.
 
  #2  
Old 12-17-2008, 03:48 PM
spatts's Avatar
spatts
spatts is offline
Senior User
Join Date: Jan 2008
Posts: 135
Likes: 0
Received 0 Likes on 0 Posts
  #3  
Old 12-17-2008, 04:12 PM
spatts's Avatar
spatts
spatts is offline
Senior User
Join Date: Jan 2008
Posts: 135
Likes: 0
Received 0 Likes on 0 Posts
I had mine changed on both sides under warrenty .They had my truck for two weeks , and alot of gray hairs later but all is fine now.
 
  #4  
Old 12-17-2008, 04:26 PM
1966Mercury's Avatar
1966Mercury
1966Mercury is offline
Freshman User
Join Date: Jun 2007
Posts: 40
Likes: 0
Received 0 Likes on 0 Posts
I will bet money that it is going to be the cam phasers. It sounds like a diesel when idling. Take a 3 foot piece of heater hose and put one end next to your ear and the other near the front of the valve cover while the engine is idling. You should hear the noise very loud at the front of the valve cover. If it is the lash adjusters the noise will be louder as you move down the valve cover towards the back of the cover.

If it is the phasers, it is not really a big problem. A lot of people on here have the noise with no problem with a lot of miles on the engine. Some people have had it fixed at considerable expense only to have it come back in about 10k-20k miles. My 04 has 60K miles on it and does it off and on depending on engine temp and outside temp. I have had no probs with the engine.
 
  #5  
Old 12-17-2008, 05:32 PM
jg12x's Avatar
jg12x
jg12x is offline
New User
Thread Starter
Join Date: Dec 2008
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Thanks for all the info!
 




All times are GMT -5. The time now is 12:44 AM.