🚗 Classic Fault — Alfa Romeo 105 (1962–1978)
Alfa Giulia 105 Dellorto/Weber carburettor flooding
💰 Estimated Repair Cost
$20 – $80 GBP
Parts and labour estimate
🔧 Tools Required
Carb rebuild kit, float level gauge
📋 Overview
The twin carburettors on the Giulia 105 suffer float needle wear, causing flooding and rich running.
🩺 Symptoms
- Engine floods on hot restart
- petrol smell
- black plugs
- rough idle
- petrol dripping from carb
🔍 Possible Causes
- Worn float needle and seat
- punctured float
- incorrect float height
🛠️ Diagnosis Steps
Remove carb tops and check float height. Test needle valve sealing by blowing through inlet.
✅ Most Confirmed Fix
Float needle and seat replacement both carbs
86% of users confirm this fix worked (22 reports)
🔗 Other Alfa Romeo 105 Faults
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