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post #1 of 6 (permalink) Old 03-13-06, 01:03 PM Thread Starter
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6 speed auto

I just purchased a new 2005 500 over the weekend.........the manual is alittle brief on using the "L" gear in the trans........I do some mountain driving and in my last GM product..I would use "2" to save the brakes on down hill runs??????? Any ideas.....I am afraid to put it in "L"

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post #2 of 6 (permalink) Old 11-15-07, 02:11 PM
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Re: 6 speed auto

You'll save more wear and tear on the engine and trans than you will on the brakes. Brakes are cheaper to replace than a transmission so it's best to try to modulate your foot so that the car holds a gear to keep momentum while traveling though the mountains. It's a bit straining to do when you don't have the gear options. Remember to brake hard and quickly so in a second you'll loose 5-8mph and the brakes won't overheat and fade.

Low is more for when your towing around town or carrying heavier loads. It should lock out the top two gears (both OD). If you keep your speed at or below 60mph you shouldn't have any problem using it, but the engine will be noisy.

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post #3 of 6 (permalink) Old 12-14-07, 11:41 PM
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confused Re: 6 speed auto

Thats on the Nisian tranny. I'm not too sure it works this way on the newer Ford designed tranny that is in the Taurus. Do you know about that?
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post #4 of 6 (permalink) Old 12-15-07, 02:25 PM
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Re: 6 speed auto

Nissan tranny? Huh? All transmissions are made off the same principles. The torque converter decides what gear to be in according to your road speed and angle on the pedal. I wouldn't use 'low' on the selector unless your below 35mph. On six speed transmissions you generally have two over drive ratios. Downshifting the transmission to a lower gear manually when going downhill is fine, but unnecessary in todays modern cars. Only if you carry heavy loads or tow should you increase the rpm. The only benefit of increasing the rpm is when carrying a fully laden vehicle, and/or towing to keep the tranny from overheating and causing damage. If it's just you and a couple passengers in the car, just leave it in Drive - the car knows what to do.

'11 Ram Quad Cab 4x4 SXT 5.7L HEMI (stock); 48,500m
'06 Pontiac G6 GT 3.5L 220hp; 64,000m
'12 Chrysler 200 Limited 3.6L 283hp; 28,000m
'99 Taurus 3.0L 2V Vulcan 145hp; 154,300m - Traded
Amsoil in all vehicles!
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post #5 of 6 (permalink) Old 12-15-07, 11:57 PM
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Re: 6 speed auto

I read in Consumers or C & D or other mag that the L position on the Ford six speed auto is only for the 1st ratio only. Like in the Cruisomatic days. And that it would not advance beyond that. Maybe I misunderstood them. And right, they are on principle the same conceptual design. But often they do not operate in the same manner with similar input from the operator. That is why I questioned the answer given above. That the tranny would remain in the lower four ratios in the Ford design. You are of course referring and advising about the Nissan Tranny, not the Ford.
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post #6 of 6 (permalink) Old 01-25-16, 07:58 PM
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Re: 6 speed auto

In case someone finds this old thread in a search because they have purchased a Ford 500 like I did last week here is what I learned tonight prepping for a transmission bucket flush.

Our 2006 Ford Five Hundred with AWF 21 has D and 1. In D it is just a 6 speed automatic. In 1 it is a 2 speed transmission with on 1st and 2nd it seems. At around 3750 RPM it will up shift to 2nd but it never shifted to a higher gear. It will down shift to 1st if the RPM's drop to around 1750 and it is quite a slam because the RPM's seem to about double.

It could come in handy for engine braking or a vehicle with a tow package I am sure.

http://www.atraonline.com/gears/2008...8/2008_8_6.pdf
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