Engine was overheating. After using head gasket sealant products with no results, ended up servicing head gasket and coolant system.
Replaced head gasket
Replaced timing belt
Replaced water pump
Replaced spark plugs
Replaced oil and oil filter
SOLUTION: Bad waterpump was the culprit!
Valve adjustment
Coolant Superflush
Replaced coolant
Replaced coolant cap
Replaced thermostat
Replaced EGR valve
Cleaned EGR system
Replaced right rear drum brakes
Bled all brakes
Engine degrease
Engine 303 restoration of all rubber/plastics
NEXT: replace fuel filter, apply headlight protective film, car wash!