Oil Leak Diagnosis - GMC chevrolet camaro 2000 Service Manual

)
Engine
7. It adequate oil pressure is indicated, check the oil
pressure switch.
8. If a low reading is indicated, press the valve on
the tester base to isolate the oil pump and/or its
components from the lubricating system. An
Engine Mechanical - 3.8L 6-29
adequate reading at this time indicates a good
pump and the previous low pressure was due to
worn bearings, etc. A low reading while pressing
the valve would indicate a faulty ,pump.
Oil Leak Diagnosis
Step Action Value(s) Yes No
Important: You can repair most fluid leaks by first visually locating the leak, repairing or replacing the component, or by
resealing the gasket surface. Once the leak is identified, determine the cause of the leak. Repair the cause ofJhe. leak as
well as the leak itself.
1. Operate the vehicle until it reaches normal operating
temperature.
2.
Park the vehicle on a level surface, over a large
1
sheet of paper or other clean surface.
-
3. Wait (15 minutes).
4. Check for drippings.
Are drippings present? Go toStep2
System OK
2
Can you identify the type of fluid and the approximate
-
location of the leak? Go to Step 10 ·Go to Step 3
1. Visually inspect the suspected area. Use a small
.
mirror to assist in looking at hard to see areas.
2.
Check for leaks.at the following locations:
.
3
• Sealing surfaces
-
• Fittings
• Cracked or damaged components
Can you identify the type of fluid and the approximate
location of the leak? Go to Step 10
Go to Step 4
1. Completely clean the entire engine and surrounding
components.
2. Operate the vehicle for several kilometers (miles) at
normal operating temperature and at varying speeds.
3. Park the vehicle on a level surface, over a large
4.
sheet of paper or other clean surface.
-
4. Wait (15 minutes).
5. Identify the type of fluid, and the approximate location
of the leak.
Can you identify the type of fluid and the approximate
location of the leak?
Go to Step 10 Go to Step 5
1.
Visually inspect the suspected area. Use a small
mirror to assist in looking at hard to see areas.
2. Check for leaks at the following locations:
5
• Sealing surfaces
-
• Fittings
• Cracked or damaged components
Can you identify the type of fluid and the approximate
location of the leak? Go to Step 10 Go to Step 6
1. Completely clean the entire engine and surrounding
components.
2.
Apply an aerosol-type powder (baby powder, foot
powder, etc.) to the suspected area.
3. Operate the vehicle for several kilometers (miles) at
6 normal operating temperature and at varying speeds.
-
4. Identify the type of fluid, and the approximate location
of the leak, from the discolorations in the powder
surface.
Can you identify the type of fluid and the approximate
location of the leak? Go to Step 10 Go to Step 7