towing bike car question


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hap2
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towing bike car question

Postby hap2 » Sat Jul 23, 2016 12:36 am



Not really a GW related question (other than the fact that a 92 GW was on the trailer), but anyway, here's my story & questions:

I towed a 800 lb load in a 500 lb trailer 80 miles. The car can tow 1500 max. There was no issue at all with burning blue, leaking tranny fluid, or engine overheating. About 2 wks later, I towed the exact same load 300 miles. After going 135 miles, it started to smoke blue. I checked & the tranny fluid was low. I put some tranny fluid in & went another 30 miles & the same thing happened. I gave it a 10 min break (with motor off) & it went abit furthur until it happened yet again. As soon as I reached my destination, I noticed it leaking tranny fluid as well as burning blue. I immediately unloaded the load as well as the trailer. After it cooled down (1 & 1/2 hrs), I checked the tranny fluid & it was good as well as the coolant (was good) as well as the motor oil was good as well. I was shocked. I let it cool right down & then went for a good drive without any at 50 mph for about 20 min. I then checked the tranny fluid & it wasn’t leaking or burning. My questions to you is what was all that blue smoke coming from & where would it be dripping from? And why would it go 80 miles without any issue & then have an issue after more mileage? And then why would it run perfect after I dropped the load & gave it time to cool down? PLEASE answer ALL questions if you can.

Thank you so much



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Rob H
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Re: towing bike car question

Postby Rob H » Sat Jul 23, 2016 6:58 am

Sounds like you have an issue with the transmission, what vehicle? Mileage? Service history?

Based on what you have said it sounds like the transmission is overheating. The trans fluid normal boils out of the dipstick tube. Be careful with this cause it could cause a fire.

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themainviking
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Re: towing bike car question

Postby themainviking » Sat Jul 23, 2016 10:49 am

+1 on the boiling tranny fluid out the dipstick. It is getting on the exhaust and smoking from there. You lucked out with no fire. At 1300 pounds, you are overworking the transmission pulling the load. A vehicle rated to pull 1500 by a manufacturer should actually only pull 50% to 80% of that weight, which maxes you out at about 1200. You are not much over, but if you are going to do it again, first flush the tranny fluid. It is burnt. It is no longer able to do the job. You might find if you flush the fluid, you have better luck attempting the tow you already did.

Long story short? I would suspect that the 80 mile tow, or just the overall use of the vehicle, has depleted the transmission fluid so that it is no longer lubricating within its specs. Hopefully you have not killed the transmission. New fluid will let you know that.
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hap2
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Re: towing bike car question

Postby hap2 » Sat Jul 23, 2016 11:36 am

The thing is when I drop the load & drive the car (even when the motor is all warmed up) all levels are good & the car runs perfect.

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dingdong
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Re: towing bike car question

Postby dingdong » Sat Jul 23, 2016 1:59 pm

What kind of auto is this? Does it have a tow/haul mode or the tranny? How many gears are there? With a vehicle with a rating of 1500 lbs the tranny should never get into top gear period. Example: A four speed should never get out of third gear. Gas mileage will suck but so what. I have a Jeep Liberty with 2000 lb rating. It has a tow/haul switch that just locks out fourth gear. I have towed an 1800 lb trailer 3000 miles with no problems except low gas mileage. I suggest you flush the tranny and keep driving.
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hap2
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Re: towing bike car question

Postby hap2 » Sat Jul 23, 2016 5:02 pm

1997 Ford Taurus auto, so 3 fwd gears. 100% stock so no extras like trailer towing package or tranny cooler. It went 80 miles with no problem & 150 miles b4 it started to smoke. When I dropped the load, it ran with no problems

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OldZX11Rider
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Re: towing bike car question

Postby OldZX11Rider » Sat Jul 23, 2016 9:03 pm

What kind of roads were you on? Were they mostly flat and level or where there some hills involved.
If you ever felt the transmission "hunting" (shifting back and forth between gears) you should manually shift into the lower gear. Might have to slow down some to keep from over revving the engine, but stay in the lower gear until driving conditions improve.
Hauling a load just makes your engine & transmission run at hotter than normal temperatures.
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hap2
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Re: towing bike car question

Postby hap2 » Sat Jul 23, 2016 9:50 pm

Great advice. Thank you. Probly 90% of the roads I was on was 95% highway with about 95% of that being dry pavement & the rest that flat gravel. I'd say only 5% of the whole trip was just hills. But we were bucking a 30 mph wind & that didn't help. But once we got the wind behind us, it helped. I did use cruise. Was that a good idea or not? And ya, going up a hill it went back & forth from 3rd to 2nd alot. Only once did it go to1st up a rather steep hill.

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Re: towing bike car question

Postby dingdong » Sun Jul 24, 2016 8:01 am

The problem with using cruise is that when the tranny shifts down automatically it will rev at full or almost full throttle trying to maintain speed. That means it will rev up to and even past redline when shifting to 2nd or 1st gear. Manual speed control is best.
Tom

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Re: towing bike car question

Postby OldZX11Rider » Sun Jul 24, 2016 8:35 am

I wouldn't use cruise control while towing. My pickup is built for towing and I don't use cruise control when I'm towing.

I like cruise control and use it a lot when not towing. I just get a better "feel" for what's going on with my vehicle when I'm towing and not using cruise.
For he is the minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain:

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OldZX11Rider
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Re: towing bike car question

Postby OldZX11Rider » Sun Jul 24, 2016 8:44 am

Oh yeah, the wind can be a real beach!
I thought something was wrong with my truck once while running into a headwind. Had the pedal to the floor just to maintain speed. Didn't realize how hard the wind was blowing until I stopped. My fuel mileage fell in the crapper also.
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DarthJ
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Re: towing bike car question

Postby DarthJ » Sun Jul 24, 2016 11:49 am

if your tranny fluid is running hot and you want to keep towing the load (assuming you haven't killed it), if you can add a transmission fluid cooler to the car, do it.
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hap2
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Re: towing bike car question

Postby hap2 » Sun Jul 24, 2016 1:36 pm

Nope, as I said, car runs perfectly w/o load on.

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redbug
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Re: towing bike car question

Postby redbug » Sun Jul 24, 2016 4:52 pm

Glad all is well on you vehicle. I did fine this out on your transmission NHTS campaign #97v097000 states... Low intermediate servo cover can separate from the transaxle while the vehicle is being driven. Results ...oil leaking from the servo will leak down onto the catalytic and may cause ignition if the converter is hot enough.
My thought was after all that up and down shifting the pressures were high in the transmission and may be just enough one time to squirt out a teaspoon of oil or so , or one of the 3 bolts that hold the servo on have backed out just enough to relieve the pressure and after you unhook all is well again.
Next door neighbor has a Taurus so I went over and looked at there load chart and wow, total load capacity is 1500lb. Add two people loose 300lb without luggage, 5 people without luggage your good for 800 lbs. You were in specs on the max side with a head wind to boot. One tuff Taurus.
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redbug
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Re: towing bike car question

Postby redbug » Sun Jul 24, 2016 4:55 pm

Glad all is well on you vehicle. I did fine this out on your transmission NHTS campaign #97v097000 states... Low intermediate servo cover can separate from the transaxle while the vehicle is being driven. That is with the AX4S transaxle. Results ...oil leaking from the servo will leak down onto the catalytic and may cause ignition if the converter is hot enough.
My thought was after all that up and down shifting the pressures were high in the transmission and may be just enough one time to squirt out a teaspoon of oil or so , or one of the 3 bolts that hold the servo on have backed out just enough to relieve the pressure and after you unhook all is well again.
Next door neighbor has a Taurus so I went over and looked at there load chart and wow, total load capacity is 1500lb. Add two people loose 300lb without luggage, 5 people without luggage your good for 800 lbs. You were in specs on the max side with a head wind to boot. One tuff Taurus.
" Ridin on Tulsa Time "

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Re: towing bike car question

Postby MikeB » Tue Jul 26, 2016 4:52 pm

I did a quick Google search of the internet for 1997 ford taurus owners manual. It tells you just about everything you need to know about towing. Of course, if you already have an owners manual in your 1997 Taurus, you could just look through it instead of searching the internet. ;)
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hap2
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Re: towing bike car question

Postby hap2 » Tue Jul 26, 2016 7:49 pm

Ok thanx. I appereciate it lots.




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