Timing Belt Change and Waterpump Question - Toyota Nation Forum : Toyota Car and Truck Forums


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Old 08-01-2011, 02:37 PM   #1 (permalink)
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4th Generation Timing Belt Change and Waterpump Question

2000 4cyl. is due for it's first timing belt change, 106,000 mi.

How long are the waterpumps good for?

I know there is the belief to change it while doing the timing belt but is it necessary? My Suzuki service manager when asked the same question laughed and replied "you do not have a Ford" it is not necessary we have yet to change a waterpump on your vehicle. This has proven to be sound information as the Suzuki vehicle has 185,000mi and the original waterpump.

Would like to hear your views.

Last edited by Brit101; 08-01-2011 at 05:44 PM.
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Old 08-01-2011, 02:49 PM   #2 (permalink)
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So does it have 106k or 185k miles?... you gave two different numbers?

You'll get varying opinions on this. If you've got 185k on it, I'd vote to replace it. The odds are fairly good (bad?) that the pump will fail before it's time for another belt change. And change out the idlers, tensioners, etc. while you're in there.

If it's 106k, I'd be inclined to skip it.
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Old 08-01-2011, 03:59 PM   #3 (permalink)
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Quote:
Originally Posted by Brit101 View Post
2000 4cyl. is due for it's first timing belt change, 106,000 mi.

How long are the waterpumps good for?

I know there is the belief to change it while doing the timing belt but is it necessary? My Suzuki service manager when asked the same question laughed and replied "you do not have a Ford" it is not necessary we have yet to change a waterpump on your vehicle. This has proven to be sound information as the vehicle has 185,000mi and the original waterpump.

Would like to hear your views.
Necessary? Not unless it's noisy or leaking coolant. If a Toyota water pump is well cared for (i.e., it's been run with a 50/50 mix of Toyota Red coolant and distilled water, changed out every couple of years), then it can go for a couple hundred thou, easy. That's a darn small subset, 'tho.

OTOH, given how cheap even a good water pump is, and how expensive the labor is to replace is, it's not a bad idea to change out the water pump every timing belt change, or every other change (depending on how fast you put miles on the rig). You pays your money, you takes your choice. Same logic applies to the oil seals.
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Old 08-01-2011, 05:48 PM   #4 (permalink)
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Quote:
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So does it have 106k or 185k miles?... you gave two different numbers?
BMR, in the third paragraph I am discussing a different vehicle, a Suzuki car, it got it's own paragraph to differentiate it from the Camry in the first paragraph. I added another "Suzuki" in the last sentence so you would not be confused. They have different mileage, that is why two mileages are mentioned...different cars.

Read the whole post, slowly and it will make sense.
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Old 08-01-2011, 06:04 PM   #5 (permalink)
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The water pump in my 98 4cyl went out at 165k, and with no warning. Driving one day, about 3 miles from home and it started to make the worst metal on metal squealing, stopped car - had coolant running out bottom of timing belt cover. Filled everything to max and drove the 3 miles home. (country 2 lane, no stopping)

When I got it out, the bearing it rides on and its seals, had went bad, allowing the impeller to tilt/**** and grind a half moon into the inside of the water pump. I believe if I had driven much further, it either would have skipped time causing it to not run, or ground a hole through the water pump housing itself. (and of course, overheat if you didn't keep stopping and re-filling)

It's cheap, and its only like 7 bolts more if you already have the timing belt off. I know I'll be replacing it next time I do the timing belt.
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Old 08-01-2011, 07:59 PM   #6 (permalink)
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It's better to replace the water pump when the timing belt is changed and vice versa because of the amount of labor/time it takes to get to the pump if it fails shortly after a timing belt change. An OEM Aisin pump is about $40USD. Really cheap compared to the time/labor needed to dig back in again. So 5-years/60K miles or 6-years/90K miles depending if you drive 12K or 15K a year.

However, Gen 5+ Camrys aren't so lucky with the pumps, with some failing shortly after 20K miles. Maybe it's the new pink coolant not doing it's job (pink coolant shouldn't be used in earlier bi-metal engines). The red coolant is fine, but as an alternative you can flush the system and switch over to Valvoline G-05.



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How long are the waterpumps good for?
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Old 08-01-2011, 08:43 PM   #7 (permalink)
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Funny I just got mine done today. Same 106,000.... I recommend doing at the same time. Cost less in the long run. I changed both and when I took a look at the water pump I didnt see anymore than 30k miles on it. The timing belt on the other hand was in good condition.
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Old 08-02-2011, 06:03 AM   #8 (permalink)
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Quote:
Originally Posted by Brit101 View Post
2000 4cyl. is due for it's first timing belt change, 106,000 mi.

How long are the waterpumps good for?

I know there is the belief to change it while doing the timing belt but is it necessary? My Suzuki service manager when asked the same question laughed and replied "you do not have a Ford" it is not necessary we have yet to change a waterpump on your vehicle. This has proven to be sound information as the Suzuki vehicle has 185,000mi and the original waterpump.

Would like to hear your views.
you can buy a Gates water-pump for $25. I would absolutely change it.....anytime I am involved in a labor intensive repair I replace the potential issues................your Subaru is probably an interferance engine and the TB should be changed more often then the camry.........that mightt be why they worry less about the pump, knowing they will be in there more often.........just a guess!!!!!!!!!
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Old 08-02-2011, 10:42 AM   #9 (permalink)
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Thank you all, most kind of you to share your thoughts.

A few yrs. ago I purchased everything, idler and the spring even. However wanted to get a feeling if the waterpump was necessary to change, and how good the orighinal was to begin with. Will do the pump.

Hill8570, a special thank you, 'cause you replied to my query a couple of wks. ago, about the water in the passenger's foot wells.
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Old 08-02-2011, 09:31 PM   #10 (permalink)
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Wierdly enough, my water pump didn't even make it to the first timing belt change. busted out on me before i even got round to changing the timing belt.
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Old 08-03-2011, 05:46 AM   #11 (permalink)
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Wierdly enough, my water pump didn't even make it to the first timing belt change. busted out on me before i even got round to changing the timing belt.
I just got my Daughters Camry from the wife's Mother.......when I was going though the records I noticed they had the same issue.......a leaky water-pump at about 43k miles in 2003...........
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