Quick answer: Timing Belt Replacement (2.7L) on a 2007–2012 Hyundai Santa Fe is rated Advanced and takes about 4-6 hours. You'll need 10 tools for this job, and parts cost about $480. This guide walks you through the full job step by step, including the mistakes to avoid.
| Part Name |
Part Number |
Price |
Buy |
| Timing Belt Kit (TBK315WP) |
TBK315WP |
$100.00 |
|
| Timing Belt Tensioner |
— |
$150.00 |
|
| Idler Pulley |
— |
$80.00 |
|
| Water Pump |
WP315WP |
$120.00 |
|
| Crankshaft Seal |
CS315WP |
$30.00 |
|
| Engine coolant (correct type) |
— |
— |
|
About prices: shown prices are typical retail averages and change frequently; cheaper alternatives may be available. Confirm the current price before buying.
💡 Pro tip: Order all parts at once to save on shipping
Step-by-Step Instructions
Follow these steps carefully
1
Disconnect the battery and drain the cooling system
Work only on a cold engine. Disconnect the negative battery cable. Place a drain pan and drain coolant if the water pump is serviced with the timing belt. This is a precision job — have the service-manual timing procedure and locking tools ready.
🔧 Mechanic's note — Ray Delgado
I know this 2.7L is an interference engine — no margin for error on timing marks. Turn the crank by hand twice after the new belt is on and re-verify every mark; if it's off a tooth, you'll know before the starter does the damage.
2
Set the engine to TDC and lock the timing
Remove covers, belts, and accessories as required for access. Rotate the crankshaft to TDC for cylinder 1 and install crank/cam locking tools per the service procedure. Confirm all timing marks align before loosening the tensioner.
3
Relieve tension and remove the old belt
Release the timing-belt tensioner, then carefully remove the old belt without rotating the cams or crank. If marks move, stop and re-establish TDC before continuing. Inspect idlers, tensioner, and seals for leakage or play.
4
Install the new water pump and timing components
Replace the water pump, idlers, and tensioner if included in the kit — many failures recur if only the belt is changed. Clean sealing surfaces, install new gaskets/O-rings as specified, and torque fasteners evenly.
5
Set tension, verify marks, and reassemble
Install the new timing belt with correct routing and tooth engagement. Set tensioner preload per the manual, then rotate the engine by hand at least two full crank revolutions and re-check all timing marks. Refit covers, accessories, and the drive belt.
6
Refill coolant, start, and verify
Refill with the correct coolant, bleed air, and reconnect the battery. Start the engine and listen for unusual noise. Confirm stable idle, no coolant leaks, and no immediate timing-related codes before a careful road test.
All Done!
Test your repair before closing everything up. If something doesn't work right, double-check your steps.
⚠️ Common Mistakes to Avoid
- • Not aligning timing marks correctly, leading to engine damage
- • Failing to replace the water pump and seals during the timing belt replacement
- • Over-tightening or under-tightening the timing belt tensioner, causing premature wear
