Catalog: GM Goodwrench Engines Catalog
Company/Brand: GM Goodwrench
coolant system in GM Goodwrench Engines Catalog by GM Goodwrench
and engine performance. Cooling System Sealing Tabs Necessary to Aid in ... . Fuel Filter Engine Oil Antifreeze Coolant Engine Oil Cooler (with every bearing ...
PROCEDURES Flush the Cooling System A properly functioning cooling system ... an engine. It is important to rid the system of corrosion and other contaminants to ... damage. In addition to flushing the system, take time to verify the reliability ... and overall quality of the entire system, including the radiator and hoses. Flush ... spots. By ensuring the entire cooling system is in proper working order, the chance ... is still running, flush the cooling system before removing the old engine. If the ... running, be sure to flush the cooling system immediately after replacing it with the ... instructions for flushing the cooling system for the vehicle. After flushing the ... cooling system, add cooling system tabs (part number 1051687). Cooling ... system tabs aid in sealing porosity in ...

, power steering fluid, brake fluid and coolant levels and condition. Change as ... necessary. Pressure check the cooling system, not exceeding 20 psi (138 kPa). Check ... , sensors and the carburetor Intake system check the ducts, filters and vacuum ... for proper placement and condition PCV system check the hoses and clamps for proper ... in the following areas: The entire fuel system Valve Camshaft cover gaskets Cylinder ... tracer dye, part number 12345796 GM coolant system fluorescent tracer dye, part ...
's recommended amount. Engine Coolant Make sure the thermostat is functioning ... properly. Be sure the coolant is flowing freely through the system ... may indicate a restricted exhaust system, while a fluctuating vacuum may indicate ...
proper operation of the various engine systems is mandatory to avoid another failure ... Engines rely on a number of related systems for their operation, performance and ... durability. The related systems include: Starting and Charging Ignition ... Various problems in any one of these systems can degrade engine performance and ... Lubrication Oil Contamination Poor Coolant Circulation Pre-Ignition or Detonation ... of bearings or other components. Poor coolant circulation may have caused ...

engine failure causes: Serious oil or coolant leaks which may indicate engine block ... problems other than timing or fuel system defects. Overheating caused by ... radiator, stuck thermostat or collapsed coolant hoses. Excessive wear caused by a lack ... may indicate excessive oil consumption, coolant hose/water pump failure, melted wiring ... , may be caused by problems in other systems starting/charging, ignition, fuel, ... shut down engine operations. Fuel system problems, such as blockage, ... concerns. Defective intake and exhaust systems can affect combustion quality and lead ... . Contaminated lubrication and cooling systems can lead to catastrophic engine failure ... problem symptoms. Electronic-control system components provide essential engine ...

caused the very obvious lubrication system problems. The lubricating oil can also ... be degraded by coolant contamination from a cracked cylinder ... be expected. If the oil is diluted with coolant or fuel, check the following: Oil ... diluted with Coolant: An oil cooler failure, casting crack or ... fuel injector, defective ignition system, or severely worn rings may be ...

Section IV Page 20 August 2004 Poor Coolant Circulation Diagnosis Proper engine ... operation depends on coolant to flow through the engine water ... through the radiator. A typical engine (coolant) operating temperature is about 200 F ... hotter. With proper flow, the engine coolant in most vehicles can readily absorb, ... heat. When the flow or volume of coolant is too low, engine temperatures may ... caused by overheating from poor coolant circulation are common. The most ... cause of engine overheating is poor coolant circulation. If the cause of the ... The following checks must be performed: Coolant Type and Level Coolant types and levels ... are specified for most engines. System Blockage Various conditions may ... partially block cooling system passages and prevent adequate coolant ...

the ignition (or diesel injection system). 2. Remove the spark plugs (glow ... . 5. Remove the radiator cap; add coolant, if needed. 6. Rotate the crankshaft ( ... worn exhaust valve. Air bubbles in the coolant indicate a blown head gasket or a ...
a mechanical failure. Determine fluid (coolant, oil, water) source. Remove plugs, ... out cylinders. Pressure test cooling system with plugs out. Determine damage and/ ... , will not start Restricted exhaust system Fuel, ignition system problems Low ... Idle Fuel, ignition or emissioncontrol system problems Uneven cylinder compression ... fuel) Determine if normal or cooling system problem. Pressure test cooling system ... Improper oil viscosity Defective PCV system Worn valve guides or seats Worn piston ...
. Test bypass valve. Check lubrication system pressure, engine operating. Check oil ... discs or rotary buffers. Overheating Coolant circulation inadequate Coolant level ... pump, thermostat sticking closed, low coolant level. Check boil-over history (owner ... , exhaust white smoke. Flush cooling system; check for leaks/exhaust vapor. Check ... dam. Check for air bubbles in radiator coolant; test for exhaust gases in coolant ...