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Today's topics:
* Consumer Reports: No to Chevy SUV, Ford crossovers, MyFord Touch - 4
messages, 3 authors
http://groups.google.com/group/alt.autos.nissan/t/c904e51c1dd93e99?hl=en
* manifold leak - 2 messages, 2 authors
http://groups.google.com/group/alt.autos.nissan/t/36cea2e421b208b2?hl=en
* timing belt 1990 Frontirer V-6 - 1 messages, 1 author
http://groups.google.com/group/alt.autos.nissan/t/f01a205d993d52de?hl=en
==============================================================================
TOPIC: Consumer Reports: No to Chevy SUV, Ford crossovers, MyFord Touch
http://groups.google.com/group/alt.autos.nissan/t/c904e51c1dd93e99?hl=en
==============================================================================
== 1 of 4 ==
Date: Thurs, Jan 6 2011 7:39 pm
From: Irwell
On Thu, 06 Jan 2011 21:04:55 -0500, Nate Nagel wrote:
> On 01/06/2011 08:07 PM, Student Mechanic wrote:
>> In the same issue CU talks about hydoplaning and how to avoid
>> it. Yet they failed to recognize one very important point:
>>
>> Choose front wheel drive over rear drive for the reason that
>> FWD is self limiting under planing conditions as a result of
>> differential gear behavior that always equalizes torque to both
>> driven axles. At the point of hydroplaning, one wheel planes,
>> riding on a film of water, torque is greatly reduced
>> (practically to zero lbs-ft) and the Opposite Wheel is relieved
>> of propulsive torque and freewheels. Vehicle speed cannot
>> increase; in fact, it actually slows and steering is maintained
>> by the continued road contact by the none-hydroplaning wheel.
>> This phenomenum usually occurs at between 55 and 65 mph when the
>> road is flooded by 1/4 inch or more. Conversely, with RWD, the
>> car will continue to pick up speed because the rear tires run in
>> the cleared tracts of the front tires. When both fronts
>> hydroplane, directional control is lost and a crash is imminent.
>> Beware of pickups, RWD passenger cars and SUVs for use as family
>> passenger vehicles.
>>
>> I learned all this in Auto Shop II from a really smart teacher
>> who dropped out of engineering school to "turn them bolts and
>> nuts."
>>
>> Student Mechanic, age 17
>>
>
> OK, so that is one advantage to FWD... but there are plenty of valid
> reasons why a driver would prefer RWD... personally I learned to drive
> on RWD vehicles and to this day find them easier to control in low
> traction situations, despite "common knowledge" being that FWD is easier
> to drive...
>
> nate
When push comes to shove pulling is better.
== 2 of 4 ==
Date: Sat, Jan 8 2011 9:30 am
From: "hls"
"Irwell" <hook@yahoo.com> wrote in message
news:17a1pgwyeywml.1x09szt6hpzaf$.dlg@40tude.net...
> On Thu, 06 Jan 2011 21:04:55 -0500, Nate Nagel wrote:
>
>> On 01/06/2011 08:07 PM, Student Mechanic wrote:
>>> In the same issue CU talks about hydoplaning and how to avoid
>>> it. Yet they failed to recognize one very important point:
>>>
>>> Choose front wheel drive over rear drive for the reason that
>>> FWD is self limiting under planing conditions as a result of
>>> differential gear behavior that always equalizes torque to both
>>> driven axles. At the point of hydroplaning, one wheel planes,
>>> riding on a film of water, torque is greatly reduced
>>> (practically to zero lbs-ft) and the Opposite Wheel is relieved
>>> of propulsive torque and freewheels. Vehicle speed cannot
>>> increase; in fact, it actually slows and steering is maintained
>>> by the continued road contact by the none-hydroplaning wheel.
>>> This phenomenum usually occurs at between 55 and 65 mph when the
>>> road is flooded by 1/4 inch or more. Conversely, with RWD, the
>>> car will continue to pick up speed because the rear tires run in
>>> the cleared tracts of the front tires. When both fronts
>>> hydroplane, directional control is lost and a crash is imminent.
>>> Beware of pickups, RWD passenger cars and SUVs for use as family
>>> passenger vehicles.
>>>
>>> I learned all this in Auto Shop II from a really smart teacher
>>> who dropped out of engineering school to "turn them bolts and
>>> nuts."
>>>
>>> Student Mechanic, age 17
>>>
>>
>> OK, so that is one advantage to FWD... but there are plenty of valid
>> reasons why a driver would prefer RWD... personally I learned to drive
>> on RWD vehicles and to this day find them easier to control in low
>> traction situations, despite "common knowledge" being that FWD is easier
>> to drive...
>>
>> nate
>
> When push comes to shove pulling is better.
My first FWD was a VW Passat.. The first time I hit a really wet patch
of road, it scared the life out of me. I didnt lose it, but I really began
to
question whether FWD was as good as everyone had been saying.
== 3 of 4 ==
Date: Sat, Jan 8 2011 4:49 pm
From: Michael Dobony
On Thu, 6 Jan 2011 19:39:21 -0800, Irwell wrote:
> On Thu, 06 Jan 2011 21:04:55 -0500, Nate Nagel wrote:
>
>> On 01/06/2011 08:07 PM, Student Mechanic wrote:
>>> In the same issue CU talks about hydoplaning and how to avoid
>>> it. Yet they failed to recognize one very important point:
>>>
>>> Choose front wheel drive over rear drive for the reason that
>>> FWD is self limiting under planing conditions as a result of
>>> differential gear behavior that always equalizes torque to both
>>> driven axles. At the point of hydroplaning, one wheel planes,
>>> riding on a film of water, torque is greatly reduced
>>> (practically to zero lbs-ft) and the Opposite Wheel is relieved
>>> of propulsive torque and freewheels. Vehicle speed cannot
>>> increase; in fact, it actually slows and steering is maintained
>>> by the continued road contact by the none-hydroplaning wheel.
>>> This phenomenum usually occurs at between 55 and 65 mph when the
>>> road is flooded by 1/4 inch or more. Conversely, with RWD, the
>>> car will continue to pick up speed because the rear tires run in
>>> the cleared tracts of the front tires. When both fronts
>>> hydroplane, directional control is lost and a crash is imminent.
>>> Beware of pickups, RWD passenger cars and SUVs for use as family
>>> passenger vehicles.
>>>
>>> I learned all this in Auto Shop II from a really smart teacher
>>> who dropped out of engineering school to "turn them bolts and
>>> nuts."
>>>
>>> Student Mechanic, age 17
>>>
>>
>> OK, so that is one advantage to FWD... but there are plenty of valid
>> reasons why a driver would prefer RWD... personally I learned to drive
>> on RWD vehicles and to this day find them easier to control in low
>> traction situations, despite "common knowledge" being that FWD is easier
>> to drive...
>>
>> nate
>
> When push comes to shove pulling is better
Slippery conditions and FWD can be deadly! Ever hear of compression
braking? Picture driving your bike and only using the front brakes. Crash
is imminent! Some idiot pulls out in front of you in said slippery
conditions. Compression braking on the front drive wheels puts you into a
spin. How do you get out of it? hit the gas and plow into the idiot who
pulled out in front of you. Going down hill on a gentle grade in slippery
conditions and let up on the gas pedal and you also go into a spin. My
s-i-l was about 2 inches away from flipping into a very deep ditch (20-30'
deep)because of said compression braking. RWD would not have done that.
With RWD you gain control in said conditions, not loose control. Also
consider that braking in hydroplaning conditions is a no-no, but that is
exactly what happens with FWD compression braking.
== 4 of 4 ==
Date: Sat, Jan 8 2011 7:08 pm
From: Irwell
On Sat, 8 Jan 2011 18:49:58 -0600, Michael Dobony wrote:
> On Thu, 6 Jan 2011 19:39:21 -0800, Irwell wrote:
>
>> On Thu, 06 Jan 2011 21:04:55 -0500, Nate Nagel wrote:
>>
>>> On 01/06/2011 08:07 PM, Student Mechanic wrote:
>>>> In the same issue CU talks about hydoplaning and how to avoid
>>>> it. Yet they failed to recognize one very important point:
>>>>
>>>> Choose front wheel drive over rear drive for the reason that
>>>> FWD is self limiting under planing conditions as a result of
>>>> differential gear behavior that always equalizes torque to both
>>>> driven axles. At the point of hydroplaning, one wheel planes,
>>>> riding on a film of water, torque is greatly reduced
>>>> (practically to zero lbs-ft) and the Opposite Wheel is relieved
>>>> of propulsive torque and freewheels. Vehicle speed cannot
>>>> increase; in fact, it actually slows and steering is maintained
>>>> by the continued road contact by the none-hydroplaning wheel.
>>>> This phenomenum usually occurs at between 55 and 65 mph when the
>>>> road is flooded by 1/4 inch or more. Conversely, with RWD, the
>>>> car will continue to pick up speed because the rear tires run in
>>>> the cleared tracts of the front tires. When both fronts
>>>> hydroplane, directional control is lost and a crash is imminent.
>>>> Beware of pickups, RWD passenger cars and SUVs for use as family
>>>> passenger vehicles.
>>>>
>>>> I learned all this in Auto Shop II from a really smart teacher
>>>> who dropped out of engineering school to "turn them bolts and
>>>> nuts."
>>>>
>>>> Student Mechanic, age 17
>>>>
>>>
>>> OK, so that is one advantage to FWD... but there are plenty of valid
>>> reasons why a driver would prefer RWD... personally I learned to drive
>>> on RWD vehicles and to this day find them easier to control in low
>>> traction situations, despite "common knowledge" being that FWD is easier
>>> to drive...
>>>
>>> nate
>>
>> When push comes to shove pulling is better
>
> Slippery conditions and FWD can be deadly! Ever hear of compression
> braking? Picture driving your bike and only using the front brakes. Crash
> is imminent! Some idiot pulls out in front of you in said slippery
> conditions. Compression braking on the front drive wheels puts you into a
> spin. How do you get out of it? hit the gas and plow into the idiot who
> pulled out in front of you. Going down hill on a gentle grade in slippery
> conditions and let up on the gas pedal and you also go into a spin. My
> s-i-l was about 2 inches away from flipping into a very deep ditch (20-30'
> deep)because of said compression braking. RWD would not have done that.
> With RWD you gain control in said conditions, not loose control. Also
> consider that braking in hydroplaning conditions is a no-no, but that is
> exactly what happens with FWD compression braking.
If you drive a real car, ie manual gear shift, then you
have clutch!!!
==============================================================================
TOPIC: manifold leak
http://groups.google.com/group/alt.autos.nissan/t/36cea2e421b208b2?hl=en
==============================================================================
== 1 of 2 ==
Date: Sat, Jan 8 2011 6:16 am
From: "Keith"
Hi,
Does a car (Pathfinder) stand a chance of passing an emissions test when it
has an exhaust manifold leak? In this case, a broken manifold bolt.
Thanks,
Keith
== 2 of 2 ==
Date: Sat, Jan 8 2011 6:27 am
From: "E. Meyer"
On 1/8/11 8:16 AM, in article il_Vo.56266$2G7.12430@newsfe13.iad, "Keith"
<so_oke3004@yahoo.com> wrote:
> Hi,
>
> Does a car (Pathfinder) stand a chance of passing an emissions test when it
> has an exhaust manifold leak? In this case, a broken manifold bolt.
>
> Thanks,
> Keith
>
>
Sure. As long as the O2 sensors are not throwing codes, the testing
equipment will not know the difference.
==============================================================================
TOPIC: timing belt 1990 Frontirer V-6
http://groups.google.com/group/alt.autos.nissan/t/f01a205d993d52de?hl=en
==============================================================================
== 1 of 1 ==
Date: Sat, Jan 8 2011 9:27 am
From: Mac
How hard is it to replace the timing belt on a 1990 Frontier, V-6??
Any special tool, should you do the water pump or other parts while
you are there? Have done my Miata a couple of times with no issues.
Just wanting to get any ideas or suggestions. thanks.
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