Last post on Apr 01, 2013 at 9:05 AM
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Toyota Tundra, Truck
#1812 of 1986 Re: Toyota Tundra tow wiring harness [steve_ht]
May 28, 2006 (6:26 am)
I have recently purchased a 2006 Tundra, and when I had a topper put on it by the dealer, was surprised to find that the light inside the topper only works when the ignition is in the "run" position.
It turns out the wiring harness on the tow package is wired through the ignition, rather than directly to power. Does anyone know if this is standard on these trucks, and if so, why on earth they did that, and if there is an easy work-around.
Think someone is filling you full of beans. All of the factory tow packages I have seen have only the blinkers, brake lights and tail lights hooked up (have a 7 wire plug, but only 4 are wired). None of them will do you any good even if the ignition IS on unless the lights are turned on. My first tacoma had the topper light hooked to the tail lights, so I had to turn them (parking lights atleast) on to get the canopy light to work. No need for the ignition though. I would guess that the dealer wires the canopy into the ignition (not the tow lights) so you will not leave the light on in the canopy and drain the battery. The easy work around is to run a fused wire to the battery. That is how my current canopy is wired.
#1813 of 1986 Re: Replace rear axle [rsmall4]
Jun 25, 2006 (9:16 pm)
This sounds like the same thing I am experiencing! Between 30-40 MPH is when it is the most noticeable. I hear an intermitant grinding sound. My first thought was wheel bearing. Then I though maybe my drums were out of round so I replaced them and put new rear brake shoes on. I still hear the sound. Did you figure out what it was? it doesn't sound good and I would like to fix it. Mine is a 2000 tundra V8 2WD.
#1814 of 1986 Premium fuel / 4.0L Tundra
Jul 09, 2006 (7:10 am)
Been looking at '06 Base Tundra's w/ 4.0 L V-6 and discovered in the online owners manual that PREMIUM fuel is recommended..This doesnt make much sense with todays high gas prices. Has anyone with an '05 or '06 4.0L tried using regular? and if so what was the outcome? My '99 tacoma ( 2.4L)runs on 87 octane w/ no problems, even my '04 MUSTANG GT runs well on 87 octane. Thanks.
#1815 of 1986 Re: Premium fuel / 4.0L Tundra [1fasthorsie]
Jul 09, 2006 (6:36 pm)
The 4.0L is a higher compression engine and to maximize it's performance/economy, you'll need to run 91 octane. Many of Toyotas higher performace (for their size) engines recommend this. That being said, I've owned a few Toyota Camrys with the V6 motors and ran plain old 87 octane most of the time. You might feel a slight lack of performance if you're hammering on it. With the trucks, you'd probaly notice it when towing.
My cars had about a 1mpg fuel penalty when running 87 octane. That wasn't enough to justify the cost of premium, at least not when fuel was $1/gallon. Might be a different story now...do the math.
I assume you're looking at the 4.0L because of fuel economy? You might sniff around and see what others with the 4.0L in a Tundra are getting for mileage. My experience with full size trucks is the V6 models rarely do much better than their V8 counterparts. A 2wd reg. cab might be ok, but sometimes a V8 can move the weight more efficiently.
#1816 of 1986 4.0L TUNDRA / PREMIUM FUEL/ VS. V-8
Jul 15, 2006 (9:22 am)
I agree v-6's tend to not do much better than V-8's on fuel economy.The thing I like about the V-6 is that it has timing chains instead of a timing belt, like the 4.7L v-8. Besides, the base tundra V-6'S in my area currently have 2,500.00 rebates,not bad if the trucks are as good as the earlier Toyota reputation dictates.(it has seemed to me that the japanese have made much tougher 4 cyls. than v-6's, anyone rememember the 3.0 V-6 truck and forerunner headgasket blowing fiasco's from around the early '90"s or so? also at the time of this writing Tundra's are still made in japan, won't be for long though.. my '99 tacoma has G.M. parts in it!(Harrison radiator, maybe more that is less obvious)(can't complain too much though, the radiator is still holding up, but has been drained and filled approx every 18-24 months, using distilled water and name brand coolant)..
#1817 of 1986 Re: 4.0L TUNDRA / PREMIUM FUEL/ VS. V-8 [1fasthorsie]
Jul 15, 2006 (5:43 pm)
The Tundra has been made in Indiana since its debut in 2000.
#1818 of 1986 Re: V6 Tundra [john217]
Jul 16, 2006 (3:57 pm)
John, Just replying to your post about the tundra with the V6. I more or less went thru the same dilema after having a Toyota Tacoma with the 3.4 v6 for 6 years and over 100000 thousand miles and towing everything from small trailers to my car hauler loaded with a 3200 pound car, the Tacoma did everything I wanted, and never any problems, The only thing I really wanted was to be able to haul a sheet of ply wood or bigger items than the tacoma would haul without getting a trailer every time,As far as I was concerned after looking at the chevys, fords and dodges I still needed a dependable vehicle and dont like all the american vehicles recalls there always getting so I ordered the full size Tundra,V6 ,tilt wheel, air ect, you cant get much on them and if you want fog lights order them since they cant be put on without voiding the warranty toyota told me , After getting mine I added a hitch,Bug deflecter undercoated it and put on a aftermarket topper by ARE,I have been getting between 19 and 19.5 mpg since it was new all around ,That is very good as far as I am concerned and it isnt broken in yet, It has hauled a couple trailers so far loaded down with a small boat, hauled lots of wood around the farm I have and has done everything I could have expected, I am very pleased so far and glad I went with the Tacoma and glad I would definately by another and if I was pulling a dual axle trailer and boat constantly i might have considered the v8 but only doing light hauling and wanting the mileage I am very happy with the tundra 4.0 v6 and so far has plenty of power almost 240 horsepower and torque, I am also glad I didnt get another tacoma, the truck was nice but a little over priced compared to what you get in a full size. also I didnt need the automatic door locks and power windows ect, they are a convience item and good to have but saving a few thousand dollars is even better in my book,The tundra I bought was 15650.00 out the door +Tax title and lic, I didnt get any extended warrantys and did my own undercoating ect. hope this helps and good luck.
#1819 of 1986 Re: tundra 4L engine [ort]
Jul 16, 2006 (4:12 pm)
Just replying to the post on the v6 and I just bought a tundra with the v6 and went thru the same dilema, I had a tacoma with a v6 2001 3.4 and I towed way more than the vehicle was supposed to , It wasnt the fastest vehicle on the road but had good power ,When it came time to get a new truck I was set on the v8 and no dealers had one on the lot but all said they could order one, I have always preferred the v8 over the 6 in terms of power but I went ahead and drove the v6 and was pretty surprised with the power considering the extra weight, I finally decided to just get one off the lot I had seen and have been very pleased so far, I have towed my small boat thru southern illinois and missouri in the foothills with out any problems, I have been getting between 19-19.5 mpg since it was new all around and have a camper top and a few other items on it ,I would say if your just doing general hauling and not hauling a dual axle trailer all over it shouldnt be a problem, I really dont think my truck would have a problem even hauling a bigger boat since the v6 has 245 Hp 282Tq ft pds and the v8 only has 282hp and 325 tq so not a lot of difference but so far I am exremely pleased with the performance and towing ability and best of all about 4-5 mpg better than the v8 hope that helps
#1820 of 1986 Re: Premium fuel / 4.0L Tundra [1fasthorsie]
Jul 16, 2006 (4:21 pm)
As far as running premium I just recently purchased the tundra 4.0 v6 and have never run premium fuel and have been averaging over 19mpg, I might get a little better as someone mentioned that the v6 is a higher compression motor but I dont know if you could even notice the benefit of the higher octane fuel verses the extra cost involved, Mine has never made and pinging noises like the older vehicles used to do and mine has been towing and doing great, I have a couple friends who have the v8 and there averaging a all around mileage about 14.5 to 15 mpg, so I am very happy with the extra 4-5 mpg better than the v8 the others have been getting and on a trip or all hwy I have been getting right at 21 to 21.5 and thats doing 70 mph + so just posting my results.
#1821 of 1986 Re: tundra 4L engine [mowrey1999]
Jul 18, 2006 (6:17 pm)
thanks, good to hear you are happy with the truck,19 mpg all around is not bad at all for a full size, and not even broke in yet...later