easyfindcarparts.com Classic Car Parts |
|
|
|
Engine Troubleshooter If the engine in your old classic car is giving you problems this page comprehensively lists possible causes for a variety of symptoms. It covers all common components in the fuel, ignition & electrical systems plus the internal mechanical parts such as pistons, valves, connecting rods, crankshaft & bearings etc. |
Ignition Wiring Connections: 1.Loose or corroded connections at the
ammeter, ignition switch, coil or distributor. Distributor: 1.Breaker point gap much too wide. Battery: 1.Battery in low state of charge. Spark Plugs: 1.Plugs operating too cold, causing fouling. Starter Motor: 1.Broken starter pinion. Fuel System: 1.Intake manifold and cylinders hooded with
fuel due to faulty choke operation. Loss of Engine Compression: 1.Spark plugs loose in cylinder head. Other Conditions: 1.Broken or loose camshaft or distributor
drive shaft gear. |
Ignition: 1.Loose or corroded connections or terminals
at the ammeter, ignition switch, coil or distributor. Fuel System: 1.Float level too high or too low. Other Conditions: 1.Unequal compression in cylinders. |
Ignition: 1.Loose or corroded connections or terminals
at the ammeter, ignition switch, coil or distributor. Fuel System: 1.Dirty air cleaner. Valves: 1.Warped valve face. Other Conditions: 1.Partially restricted or clogged muffler,
exhaust pipe or tail pipe. |
Valves: 1.Weak or broken valve springs. Piston & Ring Conditions: 1.Scored cylinder walls. Other Conditions: 1.Broken cylinder head gasket. |
Check: 1.Incorrect valve timing. |
|
Check: 1.Ignition timed too early. |
External Leaks: 1.Leak at oil gauge pipe connections. Internal Conditions: 1.Piston rings badly worn or scuffed. |
Check: 1. Excessive clearance between push rods and
guides. |
Check: 1. Use of too heavy a grade of engine oil. |
Check: 1.Loose crankshaft gear or sprocket. |
Check: 1.Out of round or eccentric crank pins. |
Check Pistons for: 1.Collapsed piston skirts. Check Piston Pins for: 1.Loose piston pin clamp screw. |
Check: 1. Worn lifter adjusting screw face. |
Check: 1.Vibration damper not assembled properly. |
Check: 1.Engine missing at high speed. |
Check: 1.End play in distributor drive shaft. |
Ignition: 1. Loose or corroded connections or
terminals at the ammeter, ignition switch, coil or distributor. Fuel System: 1. Fuel level too high. Other Conditions: 1. Unequal or insufficient cylinder
compression. |
Check: 1. Battery in low state of charge. |
Check for: 1. Engine idles too low on cars with free
wheel and overdrive. |
Pre-Ignition: 1. Ignition timed too early. Water Loss: 1. Radiator leak. Other Conditions: 1. Ignition timed too late. |
Copyright easyfindcarparts.com |
|