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MOTRS

122S Amazon

1956-1970 / Sedan / Estate / Sweden

All 122S Amazon problems All workshop issues
Common Cooling System

Leaking radiator

Symptoms

Puddles of coolant under the car. Overheating.

Cause

Radiators don't last forever. Solder joints crack, cores corrode, plastic end tanks (if later replacement) split.

Fix

  1. 1 If it's a minor leak, try a quality stop-leak (Bar's Leaks pellets, not the liquid junk). Temporary fix only
  2. 2 Proper fix: re-core or replace. Reproduction radiators ~$200-400 from IPD or FCP Euro
  3. 3 Check radiator cap: should hold 0.9-1.0 bar (13-15 psi). Weak cap = boil-over
Cost mentioned in fix
~$200-400

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// More 122S Amazon problems

Other known issues

Common Cooling System

Heater core leaking

Sweet smell in cabin. Wet carpet on passenger side. Fogged windows that won't clear. Sometimes visible coolant dripping from under dash.
Common Engine

Oil consumption

You're burning through a quart of oil every 500-1,000 km. Blue smoke on startup or under load.
Common Engine

Carburetor flooding or poor idle

Hard starting, fuel smell, rough idle, stalling. Sometimes floods and won't start at all.
Critical Engine

Overheating

Temp gauge creeps into the red. Coolant boils over. Steam.
Common Engine

Ignition timing and misfires

Pinging under load, backfiring, flat spots, poor throttle response.
Critical Fuel System

Fuel pump failure (mechanical)

Car cranks but won't start. Sputters and dies. No fuel pressure.
View all 25 122S Amazon problems