TROUBLES ANC Symptom and Probable Cause ack of Power Poor Compression a Incorrect valve lash b Leaky valves c Valve stems or lifters sticking d Valve springs weak or broken e Valve timing incorrect f Leaking cylinder head gasket g Piston ring broken h Poor fits between pistons rings and cylinders Ignition System Improperly Adjusted a Ignition not properly timed b Spark plugs faulty c Distributor points not set correctly Lack of Fuel a Dirt or water in carburetor b Gas lines partly plugged c Dirt in gas tank d Air leaks in gas line e Fuel pump not functioning properly Carburetor Air Inlet Restricted a Air cleaner dirty b Carburetor choke partly closed c Improperly installed and or torn aide and front shields seals overheating a Oil cooler dirty b Blower belt loose c Blower belt worn or oil soaked d Thermostat sticking closed e Incorrect cooling air exhaust damper valve opening f Engine cooling fins plugged g Incorrect ignition or valve timing h Brakes dragging i Improper grade and viscosity oil being used j Fuel mixture too lean k Valves improperly adjusted 1 Defective ignition system m Exhaust system partly restricted n Loose shield seals p Spark plug boots loose r Sheet metal loose REMEDIES Probable Remedy a Adjust valve lash according to instructions under Valve Lash Adjustment 1 b Remove cylinder head and grind valves c Free up or replace d Replace springs e Correct valve timing f Replace gaskets g Replace rings h Overhaul engine a Set ignition according to instructions under Engine Tune Up b Replace or clean adjust and test spark plugs c Set distributor points and time engine a Clean carburetor and fuel pump b Clean gas lines c Clean gas tank d Tighten and check gas lines e Replace or repair fuel pump a Clean air cleaner or replace element b Adjust or replace choke mechanism c Adjust or replace a Clean oil cooler b Adjust or replace c Replace belt d Replace thermostat e Adjust thermostat f Clean engine g Retime engine h Adjust brakes i Change to correct oil j Overhaul or adjust carburetor k Adjust valves 1 See Engine Tune Up m Clean or replace n Tighten or replace p Install properly r Tighten rr