I have an oil leak?

2001 VOLVO S40
127 MILES
Avatar
ANONYMOUS
  • MEMBER
  • 1 POST
I have an oil leak.. it looks like it is coming down the back side of the timing belt cover... it does leave a good amount of oil on the ground. HELP!!!!
Nov 19, 2012 at 11:08 AM
Avatar
JIS001
  • ✓Experienced Mechanic
  • 3,412 POSTS
You would need to have the timing belt covers removed to inspect and see where your oil leak is coming from? Could be the cvvt hub, cam seals, or piston cooling valve?
Nov 23, 2012 at 7:28 PM
Avatar
PSALM23
  • MEMBER
  • 1 POST
It is comming from the vvt hub. can any one show me how to replace the o ring behind the vvt.?
pls. it seem no one in the entire internet has this instructionor video or manual. can any one
please guide me. i had the special tools from ebay. to hold the camshaft.

Higly appreciate it.

Dee
Mar 16, 2013 at 7:55 PM
Avatar
JEFF HERMAN
  • MEMBER
  • 486 POSTS
If it's coming from the button that pushes against the outer gear on the hub it's a simple repair. Undo the three Volvo bolts and throw them away. Replace with cap screws. You can loosen them with a small vice grip or 12pt socket before you loosen the tensioner. You won't disturb the VVT hub when you slip the gear off. I used an o ring with 8.8mm ID and 1.9mm cross section. It's dry as a bone. If it's coming from behind the hub it's a cam seal.
Sep 2, 2023 at 3:27 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle