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Engine & DrivetrainDiscussions about the engine and drivetrain of your vehicle.
This is a discussion thread titled "timing belt and water pump", within the Engine & Drivetrain forum, part of the Technical & Vehicle Assistance Forums category.
Toyota coolant does not "corrode" rubber and that's why the insides of your coolant hoses will be still in good shape after 20 years and unlimited miles of exposure to Toyota coolant. So you do not have to worry if a small amount of coolant gets on your rubber timing belt due to a minor coolant seepage leak. And you do not have to replace the water pump unless it gets noisy or leaks enough coolant to drip on the ground. So unless the leak gets worse, I'd continue driving the truck and hold off on timing belt and water pump replacement until you hit 90,000 miles
Both the water pump and timing belt are covered by Toyota's 5 year / 60,000 mile powertrain warranty.
If your paying a mechanic to do the timing belt, it's a no-brainer to do the water pump at the same time. The original may go bad or it may not...why take the chance of having to pay the same labor rate again vs. the price of a water pump. MIKEINAUSTIN has the right idea...change everything while it's open. I'd still change it if I were doing it myself...why run the risk of losing x-hours of your time redoing work you already did?
I mentioned my experience changing the water pump and timing belt. I could not see any weeping when inspecting the water pump prior to removal for the new one. However, after pulling it off I found that the channel that leads to the weep hole area was totally corroded shut with white crusty deposits. It may have been trouble in the near future.
Change the pump.
__________________ 2002 Tundra AC 4x4 Off Road Package - Revtek coil lift with Wheeler's 1.5" AAL. Superlift Truspeed Recalibration unit. Flomaster dual exhaust. Husky floor liners. Hellwig anti sway bar. Xmas Gift 2006 - 3" Perf. Accessories body lift and Gap guards - Installed 1/6/07! New tires in March 2007 - BFG AT 30570r16 on MT Classic IIs. Total Chaos steering bushing kit. Front swaybar bushing kit from Wheelers Offroad. Stubbie 21" antenna. Underdrive pulley installed with NAPA belt. Timing chain replacement and brake job are next!
water pump change is a no brainer during this task but 300 bucks for one is kinda expensive especially since they have it pulled off to start with and not much extra with pump to raise price to that price as far as i see? Conicelli Parts Center
more like 100 bucks would be closer to a good price.
I'm planning to replace my timing belt next month and doing it myself. I'm not planning to replace the water pump unless I see something in there that makes me think otherwise. But, not replacing it just as a general maintenence item. My dealer says a lot of people are replacing the pump at the same time, they recommend it but Toyota does not in the service manual. I thought they were being pretty honest to even say that. I see it as sort of a crap shoot. If you don't replace it and it fails shortly thereafter you probably kick yourself. If you replace it, how do you really know how long it might have gone. I figure doing the work myself, if I have to go back in there in 10 or 15,000 miles I will just have that much more experience and should be able to do it quicker. $300.00 seems a little high to me but not so much out of line that I would probably make a big fuss about it. Guess I see it as sort of a peace of mind thing, if you think it will make you feel better, go ahead and change it. One other thing, I stay pretty close to home and don't use the truck for any long trips, have an extra vehicle to use so if it is down for an extra day or two it is not the end of the world for me. Also, sort of depends on how long you plan on keeping it.
You have the new pump installed, be happy with the peace of mind that should give you, I guess.
Happy Hauling,
Doug
Doug,
I just did my belt,water pump, thermostat, coolant and plugs, and all these parts cost less than 300 bucks. I got all the parts and coolant from anythingtoyota.com and shipped to my house,at a very good price and discount over all the local dealers prices and their discounts. The job is not that bad to do just a lot of little things to remove and it takes time. One piece of advice is to bag and label everything as you take it off. also take pics during the teardown phase it helps you on the install phase. One pic was a very great help in locating the where this one bolt went on the install. All in all it was a good DYI project and my belt looks good but my water pump had leaked, also the new pumps do not use the gasket any longer just form a gasket. The only two tools I had to get were a Harmonic balancer puller, and a chain style strap wrench. 30 bucks for both at Harbor Freight. Also I bought form a gasket at my local auto parts store for like 5 bucks.
Enjoy.
Kevin
Actually, the water pumps do use a gasket. The newer ones may be a different story from looking at the Haynes model. My 2002 used a gasket.
__________________ 2002 Tundra AC 4x4 Off Road Package - Revtek coil lift with Wheeler's 1.5" AAL. Superlift Truspeed Recalibration unit. Flomaster dual exhaust. Husky floor liners. Hellwig anti sway bar. Xmas Gift 2006 - 3" Perf. Accessories body lift and Gap guards - Installed 1/6/07! New tires in March 2007 - BFG AT 30570r16 on MT Classic IIs. Total Chaos steering bushing kit. Front swaybar bushing kit from Wheelers Offroad. Stubbie 21" antenna. Underdrive pulley installed with NAPA belt. Timing chain replacement and brake job are next!
When I ordered the replacement water pump I was going over the gasket requirements with parts guy, he stated that they stopped installing the metal water pump gasket due to warringty repairs for leaks and just use form a gasket instead now. I checked that out with another teck at a local dealer and was told basically the same thing. My pump showed a small evidence of a leak from a while ago but did not seem to be leaking at the time of change. I did not think that a 125.00 bucks was to much not to change it seems where it located at, and the amount of work to replace it later that is required seemed really cheap to me.
Kevin
Re: timing belt and water pump
2002 Tundra AC 4x4 Off Road Package - Revtek coil lift with Wheeler's 1.5" AAL. Superlift Truspeed Recalibration unit. Flomaster dual exhaust. Husky floor liners. Hellwig anti sway bar. Xmas Gift 2006 - 3" Perf. Accessories body lift and Gap guards - Installed 1/6/07! New tires in March 2007 - BFG AT 30570r16 on MT Classic IIs. Total Chaos steering bushing kit. Front swaybar bushing kit from Wheelers Offroad. Stubbie 21" antenna. Underdrive pulley installed with NAPA belt. Timing chain replacement and brake job are next!
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