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Pickups Toyota Tundra Toyota Tundra New Owner Reports
1965 messages, Last post on Dec 02, 2009 at 6:49 AM
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Replying to: kl67 (Feb 14, 2008 7:01 am) Two things that are concerning me however have been the low fuel economy and a noticeable hum while driving. I've been avg ~14 us mpg with mostly city driving, about 70/30 cty/hwy. My driving style is very conservative for I've made a point of not gunning it from stop lights or hard acceleration on the hwy (cruising at 60-65 mph). A lot of people talk about the break in period an fuel economy should improve but there is much disagreement on how long that is. I realize this truck is a beast and not a prius, but my figures are consistently lower than a lot of the posts here. I hope it improves soon. 2nd point is the humm. I've read a lot about the torque converter and rumble strip issue, but it is only a sound, not a vibration. It doesnt happen all the time and I've tried to notice if it hapen when the tranny changes gears but haven't seen any pattern. I'd like to think I'm not being paranoid, that its a big engine and its going to have sounds different from those half its size. The biggest engine I've had prior to this was the 4.8 on my 2001 sierra 1500, which was almost silent. Other than these minor gripes, I love this truck and would still buy it again in a heartbeat! ">
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Just for some general information... I have owned 8 toyotas (cars and trucks). The fuel mileage does not improve until the vehicles have reached 20 to 25000 kms (12,500 to 15,000 miles). The fuel mileage than goes up anywhere from 10 to 20%. This has been my experience with each and every Toyota that I have owned. I know the first two that I had, I was concerned about the mileage. It eventually corrected itself and stayed pretty true throughout my owning the vehicle. 
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Replying to: trucksaledave (Feb 11, 2008 5:57 pm) 
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Replying to: cheryl3877 (Feb 15, 2008 5:12 pm) Take your truck to the dealership. Make sure each time you take it in, that they write up a repair order, report the problem 3 times. If they have not resolved the problem in 3 visits, you then may be elegible for a lemon law case. |
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Replying to: dpacker (Feb 12, 2008 1:28 pm) |
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Replying to: kl67 (Jan 25, 2008 7:27 am)
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i have the early 07' (jan 07' production) tundra limited 4x4 dc w/ the 5.7 and the 6spd, which had a low speed and high rpm shudder in the trans. The dealer just replaced the torque converter which solved that issue completely. They told me that my truck was one of the first 700 to roll off the line and all of them with the 6spd possibly had defective converters (so toyota rep says). At least i can say i did get 36K out of the trans before it started its bad shudder, but it did take two trips to the dealer to solve, which was pretty annoying. No problems with the 5.7 motor at all though. It is noisy when cold, but if i let it warm up for a minute or two its fine, even when its in the teens. (mobil-1 0w does quite it down more) I have 39K on it now and just noticed a wierd noise and feel coming from the front end. When driving around 30-35 mph on a slightly curvy road, i can hear a humming noise and feel some kind of grinding coming through the steering wheel. It almost feels like the front axle is binding up, as if i had it in 4wd on dry pavement and tried to turn hard (which i've never done in this truck). It really has me concerned now because i'm over 36K w/o an extended warranty. (i love that feeling) Has anyone had an issue with the front end in the 4x4 models? My truck is driven 70/30 highway/city... |
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Explain this. Sitting at a stop light, the engine revs from 5-600 rpm to 7-900 rpms. It fights against the brakes. Also, when coasting at about 1000 rpm and coming down, the vehicle will lunge up to 1200-1400 rpm. THis has happened 3 different days, I have 6,000 miles on it. |
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Replying to: mule4 (Feb 12, 2008 6:38 pm) |
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Replying to: brezins21 (Feb 22, 2008 12:29 pm) First, your A/C might be cycling on and off, which may slightly raise the idle to compensate. Both of my cars idle slightly higher when the A/C compressor is on. Second, many vehicles have grade logic and shift to a higher gear when you tap the brake and are slowing down. Even if it doesn't, the RPMs are going to rise slightly when the vehicle shifts as it slows. This behavior could be entirely normal. Regards, Tom |
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