• Mustang Forums
  • 1996 - 2004 SN95 Mustang -General/Talk-

timing chain tensioner oil hole (LOOK)

  • Thread starter Thread starter 98COBRA281
  • Start date Start date Jan 3, 2012

98COBRA281

10 Year Member
Nov 24, 2007
1,348
30
59
Port St. Lucie, Florida
Jan 3, 2012
#1
  • Jan 3, 2012
  • #1
so i just got my car back together from a cam swap. im going turbo soon so i went with them MHS stage 2 turbo cam. so when i took my motor apart i noticed that i had some wear on the timing chain guide on the driver "L" side of the motor, which i thought was odd because it only has 8700 miles on it



so i got to looking and noticed that only the passenger side tensioner had a oil hole in it, to oil the timing chain, and the driver side did not??!?!?! just a dimple in it at first i thought it was wrong, but after some research i found out that ALL OF THEM ARE LIKE THAT! BTW ive taken many modular's apart before and mine over 15 times and never noticed it!



so i wanted to some how make the driver side have the oil hole also, at first i thought about using two passenger side tensioners, but they ARE DIFFERENT casting and will not work! so i pulled both tensiones apart to see the differences in them



found a broken plastic piece in my tensioner also!



the only thing that is different is the hole in it, and a black plastic oil restrictor in the piston of the tensioner, sits right on top of the spring



so i went to a local junk yard, pulled a few passenger side tensioners off, took the parts out and cleaned them up!



then used all the parts and rebuilt both of mine to have oil feed holes to the timing chain!!!



i got the car all up and running today, everything is working great and i now know that both of my timing chains and guide's have a oil supply to them! and i figured i would do a quick write up if somebody runs into the same problem, or just wants the extra oil flow to the chain! so if you doing a cam swap soon you might want to swap your's also!!!!

 

Attachments

  • DSCN1618.webp
    32.5 KB · Views: 2,538
  • DSCN1617.webp
    34.6 KB · Views: 672
  • DSCN1619.webp
    250.2 KB · Views: 380
  • DSCN1622.webp
    21 KB · Views: 798
  • DSCN1620.webp
    38.4 KB · Views: 326
  • DSCN1628.webp
    123.2 KB · Views: 524
  • DSCN1630.webp
    101.8 KB · Views: 1,113
Reactions: Kornnut
D

darkside03gt

Member
Feb 19, 2007
851
8
18
Sacramento CA
Jan 3, 2012
#2
  • Jan 3, 2012
  • #2
I wonder if this same issue has caused tensioner failure in other engines?
 

sneaky98gt

10 Year Member
Apr 23, 2008
2,387
144
114
NC State University
Jan 3, 2012
#3
  • Jan 3, 2012
  • #3
Wow, that's strange. When I did my cam swap a few months ago, I was thinking about replacing the tensioners along with the chains and guides. At Mr. Nick Mckinney's advice, I kept the stock tensioners. Now I see one of the probable reasons he advised that.
 

98COBRA281

10 Year Member
Nov 24, 2007
1,348
30
59
Port St. Lucie, Florida
Jan 4, 2012
#4
  • Jan 4, 2012
  • #4
sneaky98gt said:
Wow, that's strange. When I did my cam swap a few months ago, I was thinking about replacing the tensioners along with the chains and guides. At Mr. Nick Mckinney's advice, I kept the stock tensioners. Now I see one of the probable reasons he advised that.
Click to expand...

these are actually the OEM ford ones! all modulars, 4.6/5.4 2v and 4v only have the oil feed on the passenger side!
 

sneaky98gt

10 Year Member
Apr 23, 2008
2,387
144
114
NC State University
Jan 4, 2012
#5
  • Jan 4, 2012
  • #5
98COBRA281 said:
these are actually the OEM ford ones! all modulars, 4.6/5.4 2v and 4v only have the oil feed on the passenger side!
Click to expand...

Oh wow, that really is ridiculous. I examined my stock guides when I took them off at 115,000 miles, and it didn't show any abnormal wear like yours did.
 
You must log in or register to reply here.

Similar threads

S
Timing chain tensioner? (youtube video link)
  • slxne5.0
  • Sep 7, 2025
  • 1996 - 2004 SN95 Mustang -General/Talk-
Replies
0
Views
138
1996 - 2004 SN95 Mustang -General/Talk- Sep 7, 2025
slxne5.0
S
A
Engine 04 GT timing chain issue
  • AwesomeX1103
  • Sep 3, 2025
  • SN95 4.6L Mustang Tech
Replies
3
Views
396
SN95 4.6L Mustang Tech Nov 5, 2025
Noobz347
M
Timing chain loose on top passenger side
  • MustangD0M
  • Mar 18, 2025
  • 1996 - 2004 SN95 Mustang -General/Talk-
Replies
1
Views
216
1996 - 2004 SN95 Mustang -General/Talk- Mar 26, 2025
89ripper
D
Negative Grounds for 2008 4.0L
  • deadbeat
  • May 13, 2026
  • 2005 - 2014 Specific V6 Tech
Replies
0
Views
81
2005 - 2014 Specific V6 Tech May 13, 2026
deadbeat
D
Who the hell puts the wrong spark plugs in a 3.8L?
  • snowstang
  • Mar 25, 2026
  • 1996 - 2004 SN95 Mustang -General/Talk-
Replies
12
Views
447
1996 - 2004 SN95 Mustang -General/Talk- Apr 3, 2026
LILCBRA
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1996 - 2004 SN95 Mustang -General/Talk-
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?