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The timing belt diagrams are listed in detail with figures and procedure to remove them.
REPLACING TIMING BELT ON A 2003 HYUNDAI TIBURON 2.7L V6
1. Remove passenger side headlight via the 3 10mm screws holding it in place and disconnect the turn signal and main harness
2. Remove passenger side tire
3. Remove the splash guard via 2 10mm screws at the top of the guard
4. Remove the 2 17mm bolts and 2 17mm nuts from motor mount bar
5. You may have to separate the mount bar from the motor via either a
chisel or flathead screwdriver and a hammer ( support engine via a jack
and a piece of plywood under oil pan )
6. Use a 3/8 ratchet ( or a long breaker bar would work better ) to
remove the serpentine belt ( remember the route ). Disconnect the power
steering hose from the pump and secure back with a zip tie. Remove the
power steering pulley with a pry bar and 19mm socket.
7. Hand turn the crankshaft via a 22mm socket to TDC ( top dead center, marked on lower timing belt cover )
8. Remove the serpentine belt tensioner via 2 12mm bolts on each side
9. Remove the upper timing belt cover via 7 10mm screws
10. Remove crankshaft pulley ( 22mm ) with an air impact gun ( an electric one will work too )
11. Remove lower timing belt cover via 4 more 10mm screws
12. Remove the motor mount from the block via 3 14mm bolts and 2 12mm
bolts ( there is a 12mm holding the oil dipstick bracket towards the
front of the car )
13. Remove the auto tensioner via 2 12mm bolts
14. Remove the timing belt
15. Make sure your timing markings are correct...
There is one marking on each cam gear and on the heads ( head markings
are small, look closely...try wiping the edge of the head down with a
rag and some brake cleaner to bring it out more ) They are also
pictured in last pic.
When the crankshaft is in the TDC position, the cam gear markings should both line up at the same time with the head markings
Adjust if necessary, use a 17mm socket to turn cam gears to correct position
16. Install new timing belt ( as you install it, make sure to keep a little tension on the belt as you route it )
17. Install new auto tensioner and pull pin
18. Install just the lower timing belt cover
19. Install the crankshaft pulley
20. Hand turn the crankshaft atleast 5 times to verify the timing
markings are lining up properly ( all should line up at the same time
when the crankshaft pulley mark is in the TDC position )
21. Remove crankshaft pulley
22. Remove lower timing belt cover
23. Reverse steps 12 - 1
You can refer the videos below for further assistance.Your valuable feedback would be appreciated.Thanks for choosing Fixya.
Except Matrix: Turn crankshaft one turn clockwise.
Matrix: Turn crankshaft two turns clockwise.
Ensure timing marks aligned  .
Apply a load of 2 kg to belt at .Belt should deflect 4-6 mm. If not Adjust position of tensioner pulley.
Install components in reverse order of removal.
Tighten crankshaft pulley bolt  . Tightening torque: 170-180 Nm
(7) is timing mark on cam,pin mark to top,hole in spoke below pin mark lines up with mark on head
(6) is crank timing mark,pin mark on crank lines up with markS on block.
Installation Ensure timing marks aligned  &  . 1. Fit timing belt in anti-clockwise direction, starting at crankshaft sprocket. Ensure belt is taut between sprockets. 2. Slacken tensioner pulley bolt  . Push tensioner pulley firmly against timing belt to tension belt. 3. Tighten tensioner pulley bolt  . Tightening torque: 43-55 Nm. 4. Except Matrix: Turn crankshaft one turn clockwise. 5. Matrix: Turn crankshaft two turns clockwise. 6. Ensure timing marks aligned  . 7. Apply a load of 2 kg to belt at . Belt should deflect 4-6 mm. If not: Adjust position of tensioner pulley. 8. Install components in reverse order of removal. 9. Tighten crankshaft pulley bolt  . Tightening torque: 170-180 Nm
7 is timing mark on cam,pin mark to top,hole in spoke below pin mark lines up with mark on head
6 is crank timing mark,pin mark on crank lines up with mark on block
NOTE this mark is just before top
hi from uk as you do not mention engine litres ? on average it takes approx 2 hours to change belt and tensioner on 1.8=2;0=cv v t 16 valve engines fitted with air con ? simple enough to diy with instructions and timing mark set up b4 you begin dismantle hope this helps ?
According to the flat rate labor rate for replacing the timing belt it calls for 2.7 hours plus 0.2 hours if the vehicle has a/c. if they didnt line up your timing marks when they done the belt to begin with then they probably ruined other parts internally inside the engine such as valves and pistons.
maybe u can try use an sharp object like srew driver scrath around the cam body..coz it maybe hidden with some dirt..but if like my eg8,i will put a mark b4 put off evrything especially the timing belt..