The objective of this procedure is to show you how to safely perform a cylinder compression test. Make sure the compression tester will safely handle the compression of the engine you are testing. Diesel (CI) engines operate at much higher compression pressures than Gasoline (SI) engines.
The objective of this procedure is to show you how to check and compare engine idle speed with the manufacturer's specifications. Checking the idle speed can only be done with a tachometer, which measures the engine revolutions per minute (rpm).
The objective of this procedure is to show you how to retrieve, record and clear stored OBD I & II diagnostic trouble codes using a scan tool. Remember, when retrieving codes for an OBD I vehicle, clear the codes then start the vehicle and recheck for any codes that reset. When diagnosing and OBD II vehicle, do not clear the codes until the vehicle is repaired.
Cam belts are primarily used on overhead camshaft engines. Always follow manufacturer's recommendations regarding cam belt change intervals and replacement procedures. The objective of this procedure is to show you how to safely remove and replace a cam belt.
There are two types of drive belts: V-type and Serpentine type. The objective of this procedure is to show you how to inspect and manually adjust engine accessory drive belts.
Many vehicles require the technician to manually adjust the tension on the belt. Other vehicles have an automatic spring tensioning system. Depending on the system used on the particular vehicle, you should always follow the manufacturer's service instructions. The objective of this procedure is to show you how to remove and replace an engine accessory drive belt.
