🚗 Classic Fault — Ford (1980–1990)
Ford Escort Mk3 CVH tappet noise
💰 Estimated Repair Cost
Up to $200 GBP
Parts and labour estimate
🔧 Tools Required
Oil pressure gauge
📋 Overview
Hydraulic lifters in the CVH engine drain down overnight and are noisy on cold start. Persistent noise indicates wear.
🩺 Symptoms
- Loud tapping on cold start lasting more than 2 minutes
- ticking persists when warm
- oil pressure light flickers at idle
🔍 Possible Causes
- Worn hydraulic tappets
- sludged oil galleries (infrequent oil changes)
- low oil pressure
🛠️ Diagnosis Steps
Check oil level and quality. Time how long tapping lasts after cold start — over 2 min indicates worn lifters. Check oil pressure
✅ Most Confirmed Fix
Hydraulic tappet replacement and oil flush
73% of users confirm this fix worked (24 reports)
🩺 Related Symptoms
🔗 Other Ford Faults
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