ACCESSORY DRIVE
Serpentine Belt
One long belt that drives the alternator, water pump, steering pump and A/C compressor.
Identification & Position
- Part name
- Serpentine Belt
- System
- Accessory Drive
- Location
- Front of the engine, wrapped around all the accessory pulleys.
- What it does
- Transfers crankshaft rotation to every belt-driven accessory.
- What it connects to
- • Crank pulley
- • Alternator
- • Water pump
- • Power steering pump
- • A/C compressor
- • Tensioner
- • Idler pulley
- What is above it
- Verification Required
- What is below it
- Verification Required
- What is in front of it
- Verification Required
- What is behind it
- Verification Required
- Must be removed to access it
- Verification Required
Show me how to take this apart
Dependency path — the order things must come off
Reveals the order of everything that has to be disconnected or removed to reach this part.
Symptoms & Testing
- Common failure symptoms
- • Squealing or chirping
- • Battery light with a slipping belt
- • Overheating
- • Loss of power steering assist
- • Visible cracks, glazing or missing ribs
- How to test it
- 1. Inspect ribs, edges and glazing with the engine off.
- 2. Check tensioner travel and pulley alignment.
- 3. Spin each pulley by hand with the belt off, feeling for roughness.
Symptoms narrow the list of possibilities. They never confirm a diagnosis on their own — test before replacing anything.
Part Numbers
Enter the Ford part number for your exact configuration.
Enter the aftermarket cross-reference you intend to use.
Part numbers vary by engine, drive type and build date. Nothing is guessed here — enter yours from a verified source on the admin page so it stays with this component.
Difficulty & Time
Safety Warnings
- Engine off and key out before reaching into the belt area.
- Belt routing must match your engine exactly. Confirm the routing diagram for your configuration before removing the old belt — photograph it first.
Tools Needed
- Serpentine belt toolReleasing the belt tensioner safely
- Breaker barStubborn or high-torque fasteners and belt tensioners
- Socket set (metric and imperial)Almost every fastener on the truck
- Work lightSeeing what you are actually working on
Related Parts
Real photos online
Opens photos of "Serpentine Belt" on other sites
- Google ImagesWidest mix of real owner and shop photos.
- Bing ImagesOften turns up different photos than Google.
- Owner forumsPhotos with the story of the repair attached.
- Parts catalogue photosClean studio shots of the part on its own.
- Video walkthroughsSee it in place while someone works on it.
These open other people's websites in a new tab. Photos there belong to whoever took them, so they are shown on their own site rather than copied into this app — and they may be a different year, engine or trim, so always compare against your own truck.