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Belts, chains and water pumps...

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Old 05-13-2013, 09:18 PM   #1
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Belts, chains and water pumps...

Wanting to do some preventative maintenance on my 09 V6 and would like some input. My truck has 93,400 miles on it. I just replaced the spark plugs two weeks ago along with an oil change and filters. I drive a lot of highway miles and will be going to west Tx. on Memorial Day weekend. Its about 500 miles one way. I would like to change out the water pump before it would have a chance to puke the coolant out on Hwy 90 west of Del Rio somewhere. How long do they last (OEM). Is this too early to worry about it failing?? If to change it what about the Timing belt? This is different that the Timing Chain? Do I have both, belt and chain?
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Old 05-18-2013, 07:59 AM   #2
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As memory serves you have a timing chain. Barring and major mechanical issues, you shouldn't have to worry at all about replacing the timing chain. They usually last the life of the engine in most cases. Water pumps are not typically considered "preventative maintenance" items. If they are not leaking, and your truck is not running higher temp than usual, or overheating, then there is no need to replace it.

The older 3.4 L V6 engines have a timing belt, which also drives the water pump, so it is usually standard practice that when you change the timing belt, you also replace the pump.
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Old 05-20-2013, 07:18 AM   #3
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Quote:
Originally Posted by silvertrd09 View Post
Wanting to do some preventative maintenance on my 09 V6 and would like some input. My truck has 93,400 miles on it. I just replaced the spark plugs two weeks ago along with an oil change and filters. I drive a lot of highway miles and will be going to west Tx. on Memorial Day weekend. Its about 500 miles one way. I would like to change out the water pump before it would have a chance to puke the coolant out on Hwy 90 west of Del Rio somewhere. How long do they last (OEM). Is this too early to worry about it failing?? If to change it what about the Timing belt? This is different that the Timing Chain? Do I have both, belt and chain?

Yours has a timing chain - no timing belt...unless there is another that I don't know about...
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Old 05-20-2013, 07:25 AM   #4
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You have a timing chain (I believe it's a chain as mentioned above) and a serpentine belt. As mentioned above, you don't need to replace the timing chain. The serpentine belt is what drives the water pump and is visible on the front side of the engine. If the water pump isn't leaking or making noise, I wouldn't mess with it. The belts and pulleys kind of depend on the vehicle. I just replaced all my idler pulleys and serpentine belt on my 2007 with 80k miles. One of the idlers was making noise so I replaced them all and put a new belt on. At 90k+ miles, check out the belt, if it looks like it's dry and cracking, it might be a good idea to throw a new one on. It's easy and relatively cheap. While the belt is of, check all your pulleys although if any of them are bad, you'd likely hear it as they usually squeel when they're worn out.
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Old 05-20-2013, 07:50 AM   #5
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What they all said.

The reason you change the pump and belt at the same time is if the pump goes, you're already in there so change the belt and vice versa. My old girlfriend had an Escort that needed the belt and didn't listen when I told her to have them change the pump too. Not a month later the pump broke and ruined the belt.

In absentia of a timing belt, water pumps are a replace if they break item..as they all were in the good old days
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Old 05-21-2013, 11:35 AM   #6
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Thanks guys for the info. I have purchased a belt yet be put on. My main concern about the pump is that i know it will fail at some point and was worried as I will be traveling with my 11 yr old daughter. I will keep an eye on the pump.
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Old 05-31-2013, 04:15 PM   #7
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If it gives you peace of mind, change it.
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Old 06-09-2013, 09:00 AM   #8
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Made it out West. Truck performed awesome.
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Old 06-09-2013, 09:20 AM   #9
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Water pumps have a small "weep hole" on the bottom that begins to leak a little bit when the seal in the pump is on its way out. If you check out the weep hole with an inspection mirror and find wet coolant dripping out, or a big stain of dried coolant all over it, then it's time for a new water pump.

If it's dry or has a tiny bit of dried coolant around the hole, the water pump is fine. Even on my shitty Ford Ranger I had before I got my awesome Tacoma, the water pump lasted the life of the truck.
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