Engine Oil Leakage

Overview

• The Problem
• Tools, Skills And Parts
• Plugs & Sensors
• Seals & Gaskets

The Problem

This will happen at some point - your engine has a small or large oil leakage. Here is an attempt to summarize the most common places oil leakage can occur and what the remedy is.

Tools, Skills And Parts

Depending on where the leakage is the job can vary from very easy to quite difficult.

Difficulty Level to

Plugs & Sensors

• Oil pressure sensor
  Picture 1 Picture 2
  Change aluminium gasket ring

• Oil level sensor
  Picture 1 Picture 2 Picture 3
  Change o-ring

• Oil drain plug
  Picture 1
  Change copper gasket ring

• Chain tensioner plug
  Picture 1 Picture 2
  Change aluminium gasket ring

Seals & Gaskets

• Front upper shaft seal
  Picture 1
  Change shaft seal

• Front lower shaft seal
  Picture 1 Picture 2
  Change shaft seal

• Rear shaft seal
  Picture 1
  Change shaft seal

• Valve cover
  Picture 1
  Change gasket

• Upper timing chain cover
  Picture 1
  Change gasket (blue arrow) and put suitable sealant at joints (red arrow)

• Lower timing chain cover
  Picture 1
  Change gasket (blue arrow) and put suitable sealant at joints (red arrow)

• Rear crankshaft cover
  Picture 1
  Change gasket (blue arrow) and put suitable sealant at joints (red arrow)

• Rear camshaft cover
  Picture 1 Picture 2
  Change gasket and the o-ring for one of the screws

• Oil filter housing
  Picture 1 Picture 2
  Change gasket

• Crankshaft sensor bracket screw
  Picture 1
  Upper screw to the bracket (red arrow) can be loose and leak oil