Fuel pump and timing chain/timing chain cover replacement??

[Summajet]

I got the pump replaced and at some point this season replace the timing chain cover/timing chain. I drove my mountaineer to work today with the enclosed trailer attached. I can see a big difference in towing power and being able to accelerate and power uphill. Fuel economy is a great gain also. I drove it Friday night on country roads and was getting 20.5 to 22.5 mpg at 50 mph.
I really appreciate all the input from everyone in helping me get it done!
Garland

 

[Summajet]

I had gotten the fuel pump replaced and is driving like a new car. However yesterday on the way home the water pump failed and I caught it in time not to overheat the mountaineer. I opened the hood and I could see water spewing from the weep hole (like a mini power washer) on the top side of the water pump.
I have it parked inside my garage and will begin teardown this week at night.

Based on water coming from weep hole it is a failed bearing/shaft seal?
Earlier in the day I did hear what I thought was a fan belt squeak..

410fortune, you mentioned you do them all the time, besides the bolt breaking off when removing the timing cover gasket are there any other sand traps or hazards to be on the lookout for?
I'm trying to do this and save money and pride of doing it myself. I have done the water pump/gasket before and I believe I used anti seize on the water pump threads.

Do the steps below seem right?

1. turn bell housing bolt to TDC (where is the alignment indicator for TDC?).

2. remove top two bolts for fan shroud (10 mm)?

32. using a 36 mm, turn fan counterclockwise while fan belt still on?

4. remove serpentine belt.

5. remove belt tensioner.

6. unhook crank shaft sensor.

7. loosen fan and carefully with both hands remove between fan shroud/radiator?
Was thinking of using a piece of cardboard between the radiator and clutch fan.

8. remove clutch fan

9. remove fan shroud carefully working from side to side.

10. remove fan belt pulley bolts.

11. remove fan pully.

12. remove lower/upper radiator hoses.

13 . trace water pump outline on carboard and place each bolt removed from water pump in carboard for correct alignment when reinstalling.

14. remove water pump.

15. flush block out with clean water.

15. Let engine block drain.

16. drain engine oil.

17. begin removal process for timing belt cover.

18. place timing bolt cover bolts removed on a cardboard cutout for re-install.

19. once timing cover bolts are removed. Remove cover.

20. Place shop rag on bottom of riming cover hold/over oil pan opening.

21. remove/clean gasket surface.

22. remove timing chain.

23. install new timing chain and make sure alignment marks line up properly to avoid altering the timing up/down.

24. place bead of rtv sealant along top of oil pan cover to prevent coolant leaks inside the oil pan.

25. place rtv sealant along surface/gasket of timing cover.

26. bolt timing gasket cover back up to torque specs.

27. install new water pump using a bead of tack sealant to hold water pump in place
(do you prefer using a gasket sealer in combination with the water pump gasket?)

28. hookup crank sensor harness.

29. install belt tensioner.

30. install new lower/upper radiator hoses.

31. install fan pulley/bolts.

32. slide fan shroud into place (not bolted yet)

33. slide clutch fan between radiator/fan shroud.

34. install new serpentine belt.

35. tighten up fan clutch with 36 mm wrench.

36. reinstall oil plug.

37. new oil filter and oil.

38. add antifreeze and continue to add antifreeze as it purges air from system.

PARTS NEEDED

coolant system
Water pump
water pump gasket
lower radiator hose
upper radiator hose
new thermostat
thermostat gasket
rtv sealant

timing chain (what parts name do you recommend?)
serpentine belt
timing chain
timing chain tensioner
timing chain cover
timing chain gasket
rtv sealant

Thanks for all the input and help!!!!

 

[koda2000]

If the water pump is leaking from its weep hole (which are typically found on the bottom of a water pump) you need to install a new one. The reason that it's leaking is irrelevant.

I don't have time right now to review you long list of steps, but the belt will have to come off and the fan clutch, engine position is unimportant as there is no timing concern unless replacing the timing set. If you are replacing the timing set, you will need to line up the marks on the timing gears, which is pretty easy on an OHV engine. Basically from there you just need to remove anything that's in your way. If you're lucky you'll get all the bolts out. If not you're in for a bad day. Replacing the WP on a 5.0L can be one of these worst jobs if bolts break. On an AWD dropping the oil pan enough to get the timing cover off can be tough too. You may end up needing to acquire a new timing cover.

You might as well replace the pullies, tensioner, belt, hoses, t-stat while you're there if they're old. Getting the air out of the 5.0L is usually not an issue in my experience.