5VZ-FE (3.4L) Lifespan - TTORA Forum
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post #1 of 241 (permalink) Old 04-03-2007, 08:23 PM Thread Starter
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5VZ-FE (3.4L) Lifespan

The 2.4/2.7L Toyota engines are known for their extreme longevity, and there are even some reports on here of 3.0L V6's pushing over 250k. After hitting 150k today in my truck, I am curious how much longer other 3.4L's have gone without being rebuilt. I drive the shit out of my truck, about 3k a month and it still feels as strong as the day I bought it at 92k. Should I start saving up now for a rebuild?
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post #2 of 241 (permalink) Old 04-03-2007, 08:32 PM
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With proper maintenance, I would say you should see 200K easily. Mine has 110K on it now and it runs like the day is was made. Slightly better due to the S/C though. Even with my S/C, I expect to see 200K or more out of mine.

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post #3 of 241 (permalink) Old 04-03-2007, 08:56 PM
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Should I start saving up now for a rebuild?
#1-No, add fuel.
#2-Change oil and filter every 3k miles.
#3-Change your t-belt/waterpump every 90k.
#4-Keep driving it and set a new record.

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post #4 of 241 (permalink) Old 04-03-2007, 09:18 PM
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you will get into an accident and total your truck b3 your blow your engine....thats the taco curse
Now there is some postive thinking...

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post #5 of 241 (permalink) Old 04-03-2007, 09:48 PM
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#2-Change oil and filter every 3k miles.
Waste of time and money.

Here is my most recent oil analysis out of my 95.5 Taco, 3.4L with 5spd. This was 5000 miles and 1 year of driving (work is 4 miles, so I do lots of short trip). Oh yeah, dino oil too.

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post #6 of 241 (permalink) Old 04-03-2007, 10:06 PM
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I just hit 180,500 miles and mine still runs strong. I'm planing on replacing the ORIGINAL water pump and timing belt soon. It was changed at 90k. Maintenance is key.

THE ORIGINAL
1995.5 Tacoma Ext Cab V6 4x4 LX
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post #7 of 241 (permalink) Old 04-03-2007, 11:01 PM
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Now there is some postive thinking...
its the truth....ive rarely see a 3.4 go bad...i see totaled trucks all the time
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post #8 of 241 (permalink) Old 04-03-2007, 11:41 PM Thread Starter
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I just hit 180,500 miles and mine still runs strong. I'm planing on replacing the ORIGINAL water pump and timing belt soon. It was changed at 90k. Maintenance is key.
Good to hear! Are you planning on doing the water pump and timing chain yourself? My water pump has some wobble to it and needs to get replaced ASAP. I'm intimidated though because I've never done it before and it seems like a tight squeeze up in there. I remember saying the same thing about my first girlfriend though, and I got over that real quick so maybe I'll step it up and try it.

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its the truth....ive rarely see a 3.4 go bad...i see totaled trucks all the time
You're right... there's a graveyard of dead tacos in at the pick n pull a couple miles from my house. Thats where I get my cheap parts With so many uninsured/asshole drivers on the road even if you drive like a bitch your baby can still get mangled.
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post #9 of 241 (permalink) Old 04-04-2007, 12:44 AM
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With so many uninsured/asshole drivers on the road even if you drive like a bitch your baby can still get mangled.[/QUOTE]

Speakin' the truth my friend... Especially in Los Angeles, 3 accidents in 15years, nothing major but all no speaky ingles and no insurance. Last one was bad, on my motorcycle, same shit, a gardening truck of all vehicles.
Oh sorry, 178k, drive like it's stolen, dry oil pan, dino. Still strong, knockin on wood...
eric

Last edited by eric90503; 04-04-2007 at 12:52 AM. Reason: stupid nonpc rant
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post #10 of 241 (permalink) Old 04-04-2007, 02:13 AM
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165k here with an S/C installed at 130k. Still running like the day I bought it brand new with 6 miles on it.

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post #11 of 241 (permalink) Old 04-04-2007, 05:31 AM
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my taco has 203,000 miles on her now, drive it every day to work and back, and she still runs like new, i also need to get the origional waterpump changed on it, along with timing belt again. i changed over to the high mileage oil a couple months ago, besides that i keep filling up the tank and driving it like i stole it I am sure you 3.4 will do fine!!

Bradley

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post #12 of 241 (permalink) Old 04-04-2007, 06:50 AM
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Waste of time and money.

Here is my most recent oil analysis out of my 95.5 Taco, 3.4L with 5spd. This was 5000 miles and 1 year of driving (work is 4 miles, so I do lots of short trip). Oh yeah, dino oil too.


What about the tbn #'s?
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post #13 of 241 (permalink) Old 04-04-2007, 07:50 AM
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I have 209k. Oil mostly changed at 3,500. Sometimes 6,000.
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post #14 of 241 (permalink) Old 04-04-2007, 08:09 AM
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What about the tbn #'s?
I didn't get those....perhaps next time
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post #15 of 241 (permalink) Old 04-04-2007, 09:12 AM
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Good to hear! Are you planning on doing the water pump and timing chain yourself? My water pump has some wobble to it and needs to get replaced ASAP. I'm intimidated though because I've never done it before and it seems like a tight squeeze up in there. I remember saying the same thing about my first girlfriend though, and I got over that real quick so maybe I'll step it up and try it.
Yeah I am going to do the work myself. Dealer wants like $600+!!! I ordered all the parts from www.trdparts4u.com. They are on order now. There are many write ups on how to change the timing belt and water pumps floating around here and on the net. Here are a few links.

http://128.83.80.200/taco/timingbelt.html

http://s94741489.onlinehome.us/album...elt/index.html

http://www.toy4x4.net/timing_belt/index.htm

http://www.4x4wire.com/toyota/maintenance/timing_belt/

http://www.lieblweb.com/tacoma/Mecha.../WaterPump.htm

I would try it yourself. Just make sure you have all the correct replacement parts and tools and it should be no problem. There is a special tool, a tensioner compressor, that makes replacing the timing belt really easy. You'll see it in the write ups. I actually ordered this part and have it. But I decided to replace my tensioner so I have no need for the part now. Good Luck!

THE ORIGINAL
1995.5 Tacoma Ext Cab V6 4x4 LX
2.5" spacer lift, 2" BL and 32's
189k miles (3/1/08)
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post #16 of 241 (permalink) Old 04-04-2007, 09:57 AM
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Hey Bradrob, I live around the corner from you off Tabler Station Road in Martinsburg-Shanghai is over near Back Creek Mtn. right?
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post #17 of 241 (permalink) Old 04-04-2007, 11:55 AM
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My water pump has some wobble to it and needs to get replaced ASAP.
That thing that looks just like a water pump behind the fan clutch isn't a water pump, it's just a bearing in a hollow housing. That's the good news, the bad news is it costs more than most water pumps do.

Dale

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post #18 of 241 (permalink) Old 04-04-2007, 12:10 PM
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I'm intimidated though because I've never done it before and it seems like a tight squeeze up in there. I remember saying the same thing about my first girlfriend though, and I got over that real quick so maybe I'll step it up and try it.
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post #19 of 241 (permalink) Old 04-04-2007, 06:29 PM
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Now there is some postive thinking...
LOL it's true though.. Isn't that what happened to your wife's Maxima? We go through all of this work to keep our vehicles nice and someone takes them out.
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post #20 of 241 (permalink) Old 04-04-2007, 07:47 PM Thread Starter
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haha tufemup... I'm glad someone got the joke about my girlfriend.

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That thing that looks just like a water pump behind the fan clutch isn't a water pump, it's just a bearing in a hollow housing. That's the good news, the bad news is it costs more than most water pumps do.
Aw shit! That wobble was the whole reason I thought about replacing the so-called "water pump". Looks like I'll be taking care of that too. Is that bearing thing behind the fan clutch called the fan idler bracket or the water pump bracket? I'm looking at both of them online right now and they look exactly the same except one is $237 and the other is $56. Please don't tell me I need both.

Fan Idler Bracket

Water Pump Bracket

Last edited by obsidian495; 04-04-2007 at 07:51 PM. Reason: Horrible use of the English language.
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post #21 of 241 (permalink) Old 04-04-2007, 09:25 PM
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I've seen it called a fan bracket and a fake water pump. Both of those links show the same part don't they?

Dale

93 4X4 ext-cab, auto, SR5, 3.4 V6, supercharged, 2.1" pulley, URD fuel mods, Aquamist WI, IPT valve body mod, dual cases, 4" superlift front, Alcan springs rear, 33 BFG MT, ARB locked front & rear, 5.29 US Gears, RB 1" Body Lift, 1.5" ball joint spacers, manual hubs, TJM T-17, Warn m8000.
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post #22 of 241 (permalink) Old 04-04-2007, 10:22 PM
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200,500, truck still runs mint and i run it hard
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post #23 of 241 (permalink) Old 04-04-2007, 11:54 PM
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Fan Idler Bracket

They both look the same in the pictures, but the description of the first one lists the 3vz-fe engine, which is not the right one. The second lists the correct 5vz-fe, so I would say the second one. Still a good price though, the dealership wants $600+.

Ugly '85(s)
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post #24 of 241 (permalink) Old 04-05-2007, 12:45 AM Thread Starter
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Thanks for your help and feedback guys. I have a lot more confidence in my engine after hearing these high mileages others have seen. I think the key is definitely going to be thorough maintenance with the aid of this site. I'm going to go ahead and take care of the water pump and timing belt this weekend so hopefully that goes well.
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post #25 of 241 (permalink) Old 04-05-2007, 04:55 AM
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70K on mine and runs as strong as ever.

2002 TACOMA 3.4L AUTO 147K
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post #26 of 241 (permalink) Old 04-05-2007, 05:40 AM
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They both look the same in the pictures, but the description of the first one lists the 3vz-fe engine, which is not the right one. The second lists the correct 5vz-fe, so I would say the second one. Still a good price though, the dealership wants $600+.
I bought one on ebay for about $120 (made in China), so far its working fine but I have an e-fan now so not much weight on it anymore.

Dale

93 4X4 ext-cab, auto, SR5, 3.4 V6, supercharged, 2.1" pulley, URD fuel mods, Aquamist WI, IPT valve body mod, dual cases, 4" superlift front, Alcan springs rear, 33 BFG MT, ARB locked front & rear, 5.29 US Gears, RB 1" Body Lift, 1.5" ball joint spacers, manual hubs, TJM T-17, Warn m8000.
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post #27 of 241 (permalink) Old 04-05-2007, 05:50 AM
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2001 3.4L DC ------- 272,000 original miles ----- running strong............
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post #28 of 241 (permalink) Old 04-05-2007, 05:53 AM
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Mine has about 120K on it. My flexplate broke and after replacing it my transmission went too. Not sure wtf caused the trans to eat shit other then a hard supercharged life. Also had to replace the Starter once. Other then that the truck has run great. It will last a long time, especially if you're not supercharged.
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post #29 of 241 (permalink) Old 04-05-2007, 02:06 PM Thread Starter
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2001 3.4L DC ------- 272,000 original miles ----- running strong............
Damn.... 45,000 mi a year!?! Good thing you don't live in Cali, that kind of driving would cost you about $7,000 a year in gas.
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post #30 of 241 (permalink) Old 04-10-2007, 04:00 PM
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The V-6 engine is non interferance isn't it?
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