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Changing timing belt on 2005 V-8, what else would you replace?

Discussion in '1st Gen Tundras (2000-2006)' started by WaterOp, Feb 15, 2018.

  1. Feb 15, 2018 at 7:27 AM
    #1
    WaterOp

    WaterOp [OP] New Member

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    Getting ready to change the timing belt on my 2005 V-8, first time (only 85K miles on truck).

    I'll change out the water pump, thermostat, coolant, idler pulleys and spark plugs.

    Currently there are no oil leaks on this engine so I was not planning on changing cam or crank seals, or the cooling system hoses and belts as they still look good.

    I wanted to ask the forum for recommendations on anything else to check or change as long as I've got the motor opened up.

    Anyone have a favorite gasket sealant for the water pump?

    Finally, I've seen two different write-ups on where the timing marks on the cam should be when the crank is at TDC; one said line up the "T" mark on the cams the other said line up the "I" mark, any thoughts would be welcome.
     
  2. Feb 15, 2018 at 7:35 AM
    #2
    15whtrd

    15whtrd Mr. Blonde

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  3. Feb 15, 2018 at 7:48 AM
    #3
    FirstGenTundra

    FirstGenTundra R2R

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    Looks like you've got it covered. I can't comment on the timing marks though without seeing a picture.
     
  4. Feb 15, 2018 at 7:54 AM
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    mtntop

    mtntop New Member

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    I agree with your list, unless you haven't changed your drive belt before, then replace it. On my 2004 Sr5 4.7 I used the 'T' marks and it lined up perfectly. I used a Toyota OEM timing belt which has the marks on it as well which are used to align with the timing marks on the engine
     
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  5. Feb 15, 2018 at 8:07 AM
    #5
    15whtrd

    15whtrd Mr. Blonde

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  6. Feb 15, 2018 at 2:38 PM
    #6
    Bergmen

    Bergmen New Member

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    I changed the timing belt twice on my 2006 Tundra. Now my daughter has it with over 225,000 miles on it.

    I would highly recommend NOT attempting this without either the factory service manual (expensive) or a Haynes manual for guidance. It will answer all of your questions regarding the procedure.

    Dan
     
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  7. Feb 15, 2018 at 3:20 PM
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    WaterOp

    WaterOp [OP] New Member

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    Bergmen,

    I have done a number of timing belts on OTHER vehicles and have studied the Haynes as well as other hardcopy and youtube videos, so pretty sure I'll be OK.

    That being said, there is no substitute for experience with the actual vehicle. If you have any Tundra specific advice, (which I suspect you might after having done two of these), I would whole heartedly welcome it. After all, isn't that what this forum is all about?

    Also, every motor has it's own quirks and specific items that tend to go bad, so if others have experience with those kind of issues again, PLEASE speak up, not just for me, but to build a solid information data base that everyone can use.

    15whtrd, thanks for the heads-up on Amazon, I went ahead and ordered all the parts from them a couple of days ago, though sure I forgot something. :spending:


    Cheers,

    WaterOp
     
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  8. Feb 15, 2018 at 3:20 PM
    #8
    BestGen

    BestGen Free Kyle!

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    My belts been changed a couple times now. Both times the belt looked new. At 226,000 and purring like a kitten! Aisin is owned by Toyota btw. :thumbsup:
     
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  9. Feb 15, 2018 at 5:16 PM
    #9
    Bergmen

    Bergmen New Member

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    Okay, going from memory here, here are a few things:

    I had a long piece of steel (1/8" thick, 2" wide, about 3' long) that I used to hold the drive pulley. I drilled two holes towards the end to line up with the tapped holes used for the puller. I also bored a hole large enough for the socket and extension to get to the pulley bolt. I then bolted this long bar to the pulley to hold it for loosening the center bolt (and also for tightening when finished).

    Instead of removing the radiator, I taped a thick piece of cardboard on the inside to prevent dinging it when I was unbolting other things. I did ding it on the first belt change and created a leak I didn't find until I test drove it after finishing. GRRR!.

    As I'm sure you know, I just went slow and took my time when it came to lining up the belt and timing marks. Eezee peezee. Double checked everything before turning the crank through two revolutions to confirm timing marks lined up. Also, and I'm sure you know this too, I pulled the spark plugs to make it much easier to turn the crank since I was checking valve clearances at the same time.

    As others have said, both times the belt I took off looked almost exactly like the new one I was installing. I even had to be careful I was actually picking up the new one to install. The technology and materials used to make these belts is truly amazing, I used to work on cars back in the 60s and 70s when V-belts would self destruct in 20-30 thousand miles, splitting and cracking.

    Oh, one other thing. I did not remove the AC compressor, I just took out the bolts that threaded into the case that needs to be removed and left it hanging by the remaining bolt (or bolts). At the second belt change I replaced the alternator brushes (an easy module to remove and re-install) just to stay ahead of the alternator wear (brushes are almost always the reason alternators go out). Probably no need to do this on the first change.

    That's about all I can think of right now. Hope this helps.

    Dan
     
  10. Feb 17, 2018 at 9:48 AM
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    WaterOp

    WaterOp [OP] New Member

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    Bergmen, BestGen,

    Thanks for the info!

    My experience with other vehicle timing belts is that the belt usually does not fail from use and old age. Most of the time the idler pulleys or water pump go bad and seize, the friction of the belt on the seized roller causes the belt to burn up. Personally I don't think I would ever take the time to replace a timing belt without replacing the idlers and the water pump.
     
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  11. Feb 25, 2018 at 6:58 AM
    #11
    zombie

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    Go with the Aisin parts. Confirm your timing marks with some white out or paint marker. Spin around by Hand when done, all marks should line up. Not 1 tooth off.
     
  12. Mar 1, 2018 at 11:38 AM
    #12
    douglasdillonattnet

    douglasdillonattnet New Member

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    Great Info, thanks to all you Tundra owners, especially the 1st gen, ha,
    I went to Amazon for the timingbelt/water pump kit and found a few choices from
    Asin, TKT***- TKH*** etc,
    please advise on the differences and best choice for a 2004 Tundra SR-5 with a 4.7, 97K miles, the water pump was leaking when I bought it at 80K, so it was replaced at that time, hindsight, should have done the belt then, 17K ago, but might as well replace the water pump since it will be off and the kit comes with it anyway, right? Thanks for all your help,
     
  13. Mar 1, 2018 at 11:54 AM
    #13
    15whtrd

    15whtrd Mr. Blonde

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    From my understanding this is the one. TKT. These are Aisin parts. Exactly what Toyota uses as OEM. You can’t go wrong with the price. If it were me I would change the water pump, that comes with it anyways. I did notice on Amazon that there is a few kids made by aisin One of them ending in 001 that is cheaper. I don’t know why or what the difference is. But the previous one I posted is what I was told to get for my 03 sequoia. I cross-referenced that and it comes up for your 2005 tundra. I know it’s always so stressful isn’t it? It looks like you may want to have some permatex gasket sealer for the water pump square gasket and probably replace your thermostat at the same time. I plan on doing this job soon. I wanted to be totally ready for me to complete it in one shot. I hate going to the part store in the middle of a job.
     
  14. Mar 1, 2018 at 12:17 PM
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    douglasdillonattnet

    douglasdillonattnet New Member

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    thanks very much for your reply, my tundra is '04, I will check further to see if the '05 is the same, really appreciate your help, what is charcoal filter?
     
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  15. Mar 1, 2018 at 12:21 PM
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    15whtrd

    15whtrd Mr. Blonde

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    Hey my middle name is Douglas had to help another Doug out lol.
    Welcome!
     
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  16. Mar 8, 2018 at 12:05 PM
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    JesterSmith

    JesterSmith New Member

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    The Aisin kit on Amazon is a good kit as suggested above. Comes with instructions and metal gasket for the water pump. Replacing the idler pulleys and water pump is standard (esp. the pulleys). Be sure to remove the tensioner or you will never get the belt on; you loop the belt all around and leave the cam sprocket that doesn't have the outside lip for last -- then slip it on and tighten up the tensioner. Take pictures and make notes / labels for all the bolts -- there is a lot.
     
  17. Mar 8, 2018 at 2:20 PM
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    Festerw

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    turf and 15whtrd like this.
  18. Mar 8, 2018 at 2:21 PM
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    15whtrd

    15whtrd Mr. Blonde

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    Do you think that Zerex is comparable to the Toyota stuff? I have some of it in my garage that I use on my wife’s scion. Haven’t needed to top the truck off yet.
     
  19. Mar 8, 2018 at 2:31 PM
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    Festerw

    Festerw New Member

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    It was listed as compatible with Toyota red and it's been in for a year with no issues.
     
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  20. Mar 8, 2018 at 2:59 PM
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    Rolodetective

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    I just had mine done on my '04 last week. I really comparison shopped and the found the best prices at the following places.

    Aisin TKT-021 timing kit (RockAuto)
    Stant Thermostat Seal (RockAuto)
    Continental Premium Poly V-Belt Serpentine Belt (RockAuto)

    Toyota Thermostat (Amazon)
    Denso Spark Plugs (Amazon)

    1 Gallon Toyota Red Long Life Coolant (Toyota)
    1 Gallon distilled water (Walmart)

    New Tensioner pulley supplied by my mechanic when he found it needed replaced.

    I left everything in the front seat and dropped it off. He charged me $330 for the whole job.....which I thought that was more than fair.
     
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  21. Mar 8, 2018 at 3:22 PM
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    15whtrd

    15whtrd Mr. Blonde

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    Sounds like a great price. The tensioner pulley you’re talking about was for the serpentine correct? That’s a good idea I might do it at the same time. If I found a mechanic that would do all that for that price it would be worth paying someone else to do it. I plan on doing my myself. I work for cheap lmao
     
  22. Mar 8, 2018 at 3:57 PM
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    Rolodetective

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    Yes, sorry, serpentine belt tensioner pulley.
    I am very mechanically inclined and researched quite a bit about doing the job myself. No way, no way, no way. There are members here who have done it themselves but I don't think many. It's not impossible, but it is a rather advanced job with disastrous consequences if done incorrectly.
    My private mechanic is a retired master Toyota Tech. For me, it was a no brainer, but not everyone would see it that way. Parts and labor for the 100K mile service (plus the extras of the thermostat, serp belt and associated tensioner) and I'm at a flat $600.
     
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  23. Mar 8, 2018 at 4:51 PM
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    15whtrd

    15whtrd Mr. Blonde

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    I don’t think I would pass that deal up either. But around here I’m looking at more around $1000. I’ve done timing chains before. Just not double overhead cams. I’ve watched enough videos and I am confident I can get it done. Plus my brother-in-law did his already so if I have any questions he’ll help me out. Thanks for the insight man.
     
  24. Mar 9, 2018 at 4:39 AM
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    zombie

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    Easiest timing belt job I've ever done. If you can set a watch by putting the hands right on the mark......same process. Don't miss the marks. Turn it around by hand a few times to make sure marks are aligned before starting it. Always replace the water pump while you are there. It may last 3 belt changes, but why take the chance. The bearings I would replace the second time you do the belt. I use Aisin water pumps, and Gates belts, Timken bearings, Denso copper plugs. I have the super duty green serpentine belt on my truck. Cool if your a John Deer fan. I just order everything from Rock Auto, one simple order. Don't forget you can put in a code to get 5% off the order. You can find that by searching on web crawler. As far as coolant I just make sure it's a silicate free coolant. That would be Preston extended life, or go to Honda and use theirs, then ask the mechanics about the head gasket issues they had back in the day......because people would not put silicate free coolant back in the vehicle. I know a thing or 2 because I've seen a thing or 2.....and when your all done, the women might not find you handsome, but they sure will find you handy.
     
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  25. Jan 4, 2019 at 8:27 AM
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    ChadRex

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    I am scheduling my 2005 Sequoia for timing belt service.
    The shop I am taking it to after inspection does not find a reason to recommend replacing tensioner/Idler, bears or Water pump

    to include all that it would cost 950.00 , without the above mentioned I am looking at 389.00.

    I trust this shop all they do is Toyota/Lexus & I do trust their inspections and recommendations.

    I am only worried about saving the labor charge if the water pump or other components fail
     
  26. Jan 4, 2019 at 9:04 AM
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    Festerw

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    I'd have it done anyway. Let's say in 25k miles the water pump starts leaking, now you're paying to have the same labor redone.

    If you're planning on selling in the next year it might make sense.
     
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  27. Jan 4, 2019 at 9:56 AM
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    seth419

    seth419 New Member

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    Why are you having the timing belt done? If you are at the 90k recommended interval I would have them do the WP and all and then not worry about anything for another 90k.
     
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  28. Jan 4, 2019 at 10:01 AM
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    FirstGenVol

    FirstGenVol The "Mangler"

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    Too many
    That seems really unusual to me. That's the lowest price I've ever seen for timing belt replacement. If they are going that far, it only makes sense to do the water pump.
     
  29. Jan 4, 2019 at 11:56 AM
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    ChadRex

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    What is unusual for me is that they say they do not see justification for replacing tensioner/Idler, or water pump.

    I figure everytime a timing belt is replaced those should be done too, according to the repair manual if visual inspection doesn't reveal any issues then no need to replace..

    I have heard with high mile Sequoia timing belts break it was due to the tensioner/ idler failure
     
  30. Jan 4, 2019 at 4:27 PM
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    Professional Hand Model

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    2002 Tundra SR5 4WD 4.7L AC Silver Metallica
    Hand Protectors
    My first TB change was at 110k miles. Water pump had a small leak. Shoulda changed the radiator at the same time because at 120k miles it went. Pays to to everything all at one time if you can.

    Most shops aren’t paid to think ahead for you. Only we can do that. They make more money on your repeat trips back. Or, when something breaks next to the other thing and then you have to fix it again.

    Next go around at 180k everything between the grill and engine block is getting replaced.
     

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