Serpentine Belt
Shop Cost
~$180
DIY Parts
~$35
You Save
~$145
Tools needed (one-time, if you don't own them)~$85
Tools Required (2)
Serpentine belt tool or long ratchet
Socket set
Parts & Consumables
Serpentine belt
Pro Tip PHOTO old belt routing before removal.
🚗 Vehicle-Specific Notes
Honda
Auto-tensioner with 14mm bolt. Route diagram on radiator shroud.
BMW
16mm wrench on tensioner. Complex routing — photo before removal.
Extra tools: 16mm wrench
Ford
3/8 square drive hole in tensioner. Use ratchet directly.
Toyota
Most have auto-tensioner. 14mm or 19mm bolt. Routing on fan shroud sticker.
Subaru
Tensioner on passenger side. 12mm bolt for adjustment on older models.
Chevrolet
15mm on tensioner. Route diagram under hood. Very accessible on trucks.
❓ Common Questions
What tools do I need for a serpentine belt?
You need 2 tools: Serpentine belt tool or long ratchet, Socket set. Parts required: Serpentine belt.
How much does a serpentine belt cost DIY vs shop?
A shop charges approximately $180. Doing it yourself costs about $35 in parts, saving you $145.
How hard is a serpentine belt to do yourself?
Rated Easy (2/5 difficulty). Typically takes 30-60 min. PHOTO old belt routing before removal.
How often should you do a serpentine belt?
Recommended Every 60-100K mi (approximately every 80,000 miles).
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