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Original timing belt/water pump at 185k with pics

Discussion in '1st Gen. Tacomas (1995-2004)' started by E30325, Mar 15, 2019.

  1. Mar 15, 2019 at 5:33 PM
    #21
    E30325

    E30325 [OP] Well-Known Member

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    Haha and that attention to detail is why your truck is at almost 600k
     
    GQ7227 and 1997tacomav6 like this.
  2. Mar 15, 2019 at 5:34 PM
    #22
    E30325

    E30325 [OP] Well-Known Member

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    Yeah I was super intimidated by it but so far is stupid easy. I’ve said that before though
     
  3. Mar 15, 2019 at 5:37 PM
    #23
    Gen1FTMFW

    Gen1FTMFW Well-Known Member

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    I have/used the factory service manual, but the timmah! video has all the information you need (torque specs etc). Hardest part for me was getting the rear bolt on the timing belt tensioner.
     
    E30325 [OP] likes this.
  4. Mar 15, 2019 at 5:38 PM
    #24
    E30325

    E30325 [OP] Well-Known Member

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    I watched a shorter video on it, if I ran into trouble I was gonna watch his though
     
  5. Mar 15, 2019 at 5:57 PM
    #25
    underaroof

    underaroof ember

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    This makes me feel better about mine! No idea when it was last changed, but doesn't show any signs of cracking at 195k so it can't be original...
     
    E30325 [OP] likes this.
  6. Mar 25, 2019 at 10:47 AM
    #26
    E30325

    E30325 [OP] Well-Known Member

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    Got the job all done and truck running. Overall it was much easier then I thought it would be, also I realized that at some point this has been done before to my truck, I thought it was original, previous owner had never done it and had owned the truck since around 45k, kinda strange that it was done that early in the trucks life, but the water pump that was in it was marked 6/02. It runs a bit better now too since it’s actually perfectly timed.
     
  7. Mar 25, 2019 at 4:49 PM
    #27
    jeg0005

    jeg0005 Well-Known Member

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    600k?! That's insane!
     
    1997tacomav6 likes this.
  8. Jul 13, 2019 at 4:39 PM
    #28
    thomas azzara

    thomas azzara Member

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    I had an AC compressor put on by a professional mechanic and when I handed him a new Serpbelt, he said the one on there looks fine.

    2005 SR5
    It hasn't a single crack - engine has 150,000 miles.
     
  9. Jul 13, 2019 at 5:32 PM
    #29
    Gen1FTMFW

    Gen1FTMFW Well-Known Member

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    Um, there is more to serpentine belt wear than cracks. Stretch and breakdown cannot always be seen with the naked eye. The belts should be replaced at regular intervals regardless of visual wear. At the end of the day, a new belt for $10-$30 is cheap insurance. Why not just replace it?
     
    underaroof likes this.
  10. Jul 13, 2019 at 6:07 PM
    #30
    Blue92

    Blue92 Well-Known Member

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    This thread is in regards to timing belts on the 1st gen 3.4 V6. Which is thankfully the only taco with a timing belt instead of a chain.

    A timing belt is way different than a serpentine belt. Your 2005 uses a serpentine belt to power the accsesories, and a timing chain in place of a timing belt. Our first gen V6's use 3 separate V belts for the accsesories, and a timing belt in place of a chain.

    Also, you need to look at the ridges and groves of a serpentine belt to determine wear properly. Usually the ridges will start to crack way before the belt starts to crack all the way through.
     
    CS_AR likes this.
  11. Jul 14, 2019 at 7:48 AM
    #31
    thomas azzara

    thomas azzara Member

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    Because the top mechanic with full time job who was replacing a wheel bearing said it didn't need to be replaced. That was a year ago. No codes ever in my 2005 V6 4runner.
    BTW. Looked at the belt today and it looks like new - no cracks like in the one above.

    Much prefer original Japanese belt that came with my 14 year old 4runner.
    Mileage is 150,000. All short trips in the Bahamas.

    Water pump is pumping fine. Never an overheat. I have a spare Denso WP new for backup with metal gasket when she goes. This part is under $100. Replacing the thermostat assembly at the same time - if it ever fails!

    I have a new backup serpentine belt for this 4 runner.

    Car is garaged.

    I carry a new spare Bando 7PK2120 OEM Quality Serpentine Belt which fits my car.

    Over 899 5 star reviews at Amazon.com
     
    Last edited: Jul 14, 2019
  12. Jul 14, 2019 at 10:14 AM
    #32
    CS_AR

    CS_AR Well-Known Member

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    When I bought a replacement engine with 70,000 from a 1998 4Runner, the timing belt looked great. It was soft and pliable almost like a new belt. The engine had good seals so why bother with replacement. Ultimately, I decided that regardless of condition I was going to replace the 21yo parts.

    Once I got into the job and removed the old water pump, I discovered the original water pump was on the edge of problems. The original pump used RTV sealant instead of the new style OEM gasket with a rubber seal. Somewhere during the past 21 years, an improvement was made to the water pump seal. I could see the old RTV seal was just starting to weep. I know that on my other cars, water pump replacement is recommended at 100,000-mile intervals for a good reason. Since I wanted to set up the Tacoma for a good 15+ years of trouble-free operation, I felt good about replacing the 21-yo timing belt and water pump and lucky that I caught the issue before it became a larger problem.

    Sometimes its "what you can't see" that will come back to bring trouble in the end.

    I could tell my Taco's previous owner neglected the timing belt and cooling system for 19 years until it started running hot. That neglect resulted in the engine needing serious repair at 223,000 miles and that didn't fix another internal problem that caused me to replace the engine.

    All I can say is there are more components to be replaced than just the timing belt as part of a 100,000+ mile service. The OEM replacement kits provide all the right things that you need to prepare your engine for another good 100,000 miles.
     
    2002Tacoma4x4 likes this.
  13. Jul 14, 2019 at 10:26 AM
    #33
    Gen1FTMFW

    Gen1FTMFW Well-Known Member

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    So you have a new belt to replace the one that's 11 years old with 150k miles on it? What's the plan then, wait for the current one to break? Again, why not just replace it and go another 150k miles. $16 has got to be some of the cheapest insurance out there.
     
  14. Jul 14, 2019 at 1:34 PM
    #34
    Dhearic

    Dhearic Member

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    Where would you get the AC idler bearing from? I can't seem to find it on rockauto.

    I am about to order the fan bearing bracket, fan clutch, and power steering pully. Timing kit will be here Friday. Looking forward to getting this repair done :thumbsup:
     
  15. Jul 14, 2019 at 2:01 PM
    #35
    1997tacomav6

    1997tacomav6 V6 5sp,RegCab,TRD Supercharger,2"pulley,meth, 660k

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    97 reg cab, v6 5sp 300hp supercharged, Methonal Injection, 660,001 plus miles, Original Owner
    V6 5sp,RegCab,TRD Supercharger, 2" pulley, methanol injected AC TRD supercharger,(MUST DO) TRD supercharger ported, rebuilt 3 times over 500,000 miles, every 125,000- 150,000 needs rebuild Projector headlights HID 5 speed manual Amsoil for all drive train Smaller 2” pulley,(300hp) (MUST DO) 2004 DESNO fuel injectors, zero ping ping, 2004 side door mirrors Dick Cepek Rims, Michelin tires LTX, ( that last 100,000 miles) Now running Dynopro ATM mud and snow tires KN cold air intake Cat back exhaust with ss exhaust tip, Raised exhaust tail pipe to 2" below body line Optima*dry cell battery,red top Alpine sirius radio, 200 watt amp, focal is165 split door pod speakers Focal door speakers Subwoffer behind seat Viper alarm, Electric Locks Dark tinted windows, 4runner bucket seats, Tacoma Rubber floor mats TRD fender extenders, Bilstien shocks chrome push bar, chrome nerf bars, add a leaf for rear springs trailer iv hitch, electric brake control, Drilled slotted brakes, High carbon steel (MUST DO) EBS green stuff 7000 series pads(MUST DO) TRD engine oil cap TRD stick shift, Rear sliding window 2002 4Runner functional hood scoop cut into Tacoma hood, 4Runner dual overhead map light Gentex Auto dim + Compass + Temp, garage,rearview mirror Corbeau bucket seats Snow Methonal kit stage 2 Champion 3 core aluminum radiator Linex bed liner
    My AC is aftermarket, but I actually can press out the old bearing from the steel pulley and press in a new
    bearing for 10.00
     
  16. Jul 14, 2019 at 3:40 PM
    #36
    TacomanTurd

    TacomanTurd Well-Known Member

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    I guess my Turd still good. 143k miles and belt still smooth and shiny. May be it can wait until Falls (not sure 2019 or 2020 ;) )
     
  17. Jul 14, 2019 at 5:09 PM
    #37
    thomas azzara

    thomas azzara Member

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    You can get a new AC Compressor -Denso 471-1413 New Compressor with Clutch - for $191 at Amazon. That's what I had my mechanic install last year, and it cools great.

    Saw the same compressor and clutch on a different website for over $692.58. Site said this was a liquidation sale! ebay has the compressor clutch for $290.

    Seems the price for this AC compressor varies quite a bit!

    Rebuilding a AC compressor with parts is "nuts" - JMO.
    Nevertheless, good luck to you.

    OTHER:
    Brake job new pads 2018 (summer)
    Coolent refurbished myself by adding a fresh gallon of 150,000 mile Zerex Asian Formula every six months.

    Denso is owned by Toyota.
     
    Last edited: Jul 14, 2019
    TWJLee likes this.
  18. Jul 14, 2019 at 5:15 PM
    #38
    Gen1FTMFW

    Gen1FTMFW Well-Known Member

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    He isn't looking for the compressor. He just needs the idler/bearing, which can be had for $15-$30.
     
  19. Jul 14, 2019 at 5:20 PM
    #39
    Gen1FTMFW

    Gen1FTMFW Well-Known Member

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    $36 for OEM pulley assembly from Camelback...

    Screenshot_20190714-171842_Chrome.jpg
     

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