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Old 06-08-2013, 11:38 AM   #43
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Originally Posted by Airstreamer6 View Post
Congratulations on finding and fixing the problem before it left you on the road. You get an "A" for both.

Great job!

You did better than me. On a road trip last month, I noticed a slight tread bulge while at a campground. So good for me because I found the problem. But, it was on a Saturday and I could not find the right size tire before everybody closed up. Since Mother's Day was Sunday, I took a chance with the tire and got on the road. Two hundred miles later I was on the side of the road with a flat.

So, I get an "A" for finding the probem, and an "F" for being too impatient to fix it in time.
DOH! Boy, that's rough. Glad you're ok.

Has anyone had a front blowout on the freeway at speeds between 50 and 60?? How was it?
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Old 06-08-2013, 11:50 AM   #44
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Originally Posted by spec24 View Post

DOH! Boy, that's rough. Glad you're ok.

Has anyone had a front blowout on the freeway at speeds between 50 and 60?? How was it?
Here is a post from last July. I asked this poster if I could share his post on other forums and he said yes. Here is his terrifying narrative:


PLEASE, for your safety and that of your passengers, read this to
conclusion.

Recently, while on the freeway south of Jacksonville, FL, traveling in
the far right lane, on cruise control at 60 mph, I experienced a blowout
of a Goodyear G 670 tire on the right side steer axle.

Some important background information to help you evaluate and
understand the lead up to this catastrophe and I do mean catastrophe! I
am a former US Navy carrier based jet fighter pilot from the Vietnam War
era, retired 747 international airline pilot, former instructor of the
advanced motorcycle safety driving course and have never had a vehicle
accident of any kind in my life nor have I ever had a driving citation.
I am an extremely defensive driver and uncompromising when it comes to
safety and maintenance of my vehicles. Also spent many years sailing
blue water.

I have closely followed all the information posted on this forum for a
few years now and learned more than I ever knew before this forum, which
is a lot considering I've been full-timing for 24 years in a number of
coaches including 4 Monaco's. I have especially followed the discussions
regarding the G 670 because they came on my Windsor. I had all the
typical problems reported here so no need to go deeply into that now. A
large commercial tire dealer who knows all about, what can only be
described as defective G 670 tires, rotated the rivering and cupping
steer axle tires to the left side drive axle position a few years ago. I
then increased the front tire pressure to 115-120 lbs as recommended
here and from the dealer. The tires on the front wore without those
problems but did develop other abnormal wear patterns but were not cause
for concern, according to the dealer.

I am acutely aware of the tire life limits and know how to read the
manufacture date. I also had the tires inspected at least once per year
by the same dealer. After a recent inspection, he recommended replacing
all the tires this fall with Hankooks or other reputable tires as the
tire ages were 6 years. I used 303 Protectorant on the sidewalls
regularly; they had no cracks. I check pressures before every trip and
have a laser temperature gun that I use at all rest stops. I do not have
a tire pressure monitoring system.

When I've read previous reports of blowouts, I must confess I said to
myself that the drivers probably didn't check pressures as regularly as
I do nor did they take care of their tires as I do. Not a good
assumption on my part since I didn't have first hand knowledge of each
situation but was going on what I know and see most other owners doing
or better yet, not doing, to maintain their tires. Also, I've never had
a blowout on anything in my life so it probably wouldn't happen to me;
WRONG!

I have posted, on this forum, the proper procedure to follow in the
event of a tire blowout in a motor home or car and that is NOT to touch
the brake but step on the accelerator to maintain speed and control and
then gradually slow down. The pilot in me has me repeating to myself a
few times every time I drive, "Blowout, step on the accelerator,
step on the accelerator". I do this because I know the natural
response would be to step on the brake and that would be fatal as can be
seen on YouTube when a front tire was intentionally blown in a class A
coach demonstration.

One beautiful day recently at about 11:00 AM after driving only about an
hour and with my 13 year old grandson in the passenger seat, there was
what I can only describe as a massive explosion that sounded like a
hand-grenade going off. It was a metallic sound followed by a non-stop
VILOENT motion and before I could comprehend what was happening, we were
headed for the treeline. I could barely see because it was as if someone
was behind me with their hands on my shoulders shaking me so hard that I
could not focus. I was on cruise control and did remember to step on the
accelerator, however the shaking was so violent that I could not tell
where my foot was as it was being shaken every which-way.

By the time my mind caught up with what was happening, the coach had
move from the far right lane I was in, across the paved shoulder (about
a lane width) and onto the grass a half a coach width. I managed to stop
the diversion there and maintained this position while I slowly brought
it to a stop. I sat there for a few moments totally stunned by what had
happened!

The inside was a shambles! It broke the locks off the doors of the
refrigerator and most of the contents were on the floor. Many other
items in the coach relocated and/or broke or were damaged

The blowout took out the air lines to both airbags so the coach was way
down in the right front corner due to tire collapse and air bags
collapsing. It had skidded on the retractable step.

The unbelievably violent ride was, in many ways, as rough as a carrier
arrested landing but actually way more violent because of the up and
down motion of the coach as the blown tire went around and around.

Only a few months before I had decided to go with Coach-Net.
Fortunately, I was only about 15 miles south of Jacksonville, FL. They
sent out a truck from a national commercial tire chain with a Michelin
XZA2. The man who changed the tire showed me that it was not a sidewall
blowout; it was a tread separation. After replacing the tire, wheel was
undamaged, it was determined that the coach was not drivable so CN sent
out a wrecker. The driver said he could not do anything to move me
because of the collapsed airbags making the coach too low to get under
with a tow/lift bar. He looked at the broken air line and said he could
reconnect it, which he did. Started the engine and the bags aired up OK
so followed him to a repair facility. The next day I had Michelin's
installed all around through the FMCA program; $638 each as opposed to
$842 each retail.

When the tread separated, it impacted the wall in front of the tire,
which is the left sidewall of the entry steps inside the entry door. It
hit so hard that the entire step well area was shifted to the right, as
viewed from entering. The entire stairwell will have to be removed and
rebuilt.

The damage could have been much worse. I'm presently in Elkhart, IN at
Duncan RV Services waiting for the final estimate to be completed and
submitted to my insurance company, USAA. Preliminary estimate is I'll be
here for 5-6 weeks depending on how quickly Monaco ships parts. The
fiberglass sidewall surrounding the wheel area was destroyed and will
have to come from Monaco or Duncan will have to fabricate one.

Since the blowout, as I have been driving, I note all the many many
obstacles alongside the roadways we would have hit had it happened
elsewhere; concrete bridge supports, poles, embankments, etc. As it was,
if I had not stopped the coach from going further right only a few feet
more, we would have gone down an embankment and rolled over onto the
side and possibly hit the trees. What if I had been in a left lane with
traffic to my right. Would have taken them out for sure; how about
colliding with an 18 wheeler. At 60 mph, my grandson probably would
have been killed had this occurred in almost any other location. It
makes my blood run cold and I still have guilt feelings about what
could, so easily, have happened! It is something akin to PTSD and will
take some time to recover.

Knowing what I knew about the G 670, even though a dealer said they were
OK until the fall, I should NEVER have gone beyond 5 years at the max
and better yet replace them as soon as I was aware of the problem
because of this forum. It was an expensive lesson as it is but could
have been so much worse had my grandson been even slightly injured.

Now, the reason I took time to write all this. PLEASE, PLEASE learn from
my experience and if you have G 670's, no matter what age, replace them
with something else, anything else. Driving on them is gambling your
life and the life of your loved ones. Yes, there will be those who will
say they've never had a problem, etc, but the history of these tires and
my experience should be enough not to risk it. I could have said I never
had a problem either, that is until it happened to me. Remember, I did
all the right things that would have been acceptable with any other tire
brand. It was a failure that should not have occurred.

The tire service company told me they have responded to MANY G 670
failures; more than ALL other brands combined! They rarely had to
replace blown motor home tires other the Goodyear. They did sell other
brands I could have purchased but decided on the Michelin's because of
an unblemished reputation.

Final comment. I offer this as my experience and recommendation only. I
do not want to get into a back and forth with anyone who disagrees with
anything I've stated because I see so many times where information
offered by others here in good faith turns into an ugly exchange. I've
never understood why this happens, that is, the personal attacks. This
is one of the reasons I do not post often. Aren't we all on the
same team; Americans, coach owners, retired, parents, grandparents and
many veterans? Shouldn't we be helping each other and not tearing others
down? There is so much hate everywhere these days, especially on the
Internet where people can hide as opposed to being face-to-face. They
are cowards and would never have the courage to say those things to
someone's face. I just can't understand why any rational, intelligent
person would want to add to the hate.

If your experiences are different, by all means express them as I have
done. But lets stop the personal attacks I see so frequently here so
this forum always remains at is full potential for educating and helping
each other in a civil manner.

Gary K

06 Windsor
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Old 06-09-2013, 11:33 AM   #45
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Note that Gary doesn't mention turning off the cruise control, only that he tried accelerating but couldn't really feel the pedal. I have never been a cruise control driver and I believe that in case of a blowout (with cruise on), most drivers panic for a split second and touch the brakes which disengages the cruise. This causes a momentary instant decrease in speed which you don't necessarily want. With cruise off, a driver may lift of the accelerator pedal for a split second but will then apply acceleration again to get the coach under control. I recently blew a left steer tire on my F450 at 62mph and it was violent. I did not have cruise on and I was able to almost instantly accelerate to try to gain control. Even then, I instantly went into the left lane (luckily no one there). It took me a great distance to be able to steer back to the right lane and then onto the shoulder. The tire tore away my front bumper and most of my fender. Damages exceeded $6000 and this was on my pickup. I am convinced that if I had my cruise control on, I would have been in the grass medium before I could have recovered. I know many will disagree with this and I can accept that. Just something I wanted to throw out there.
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Old 06-09-2013, 02:32 PM   #46
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Just replaced a set of G670's. no issues, 7 years old. 11k miles. Reading that post makes me wonder about rigs being driven at 70 and more mph. Is it even physically possible to control these things with a blowout at those speeds? I'm a member of the million mile club in an automobile, but driving an rv is a brand new learning curve. I had a right front blowout in a small front drive 4 door sedan while in the middle of 3 lanes on an I-95 overpass. I had a TT on my right and was being passed by an SUV on my left. I coasted and had presence of mind to put my 4 ways on. By the time I could get to the shoulder, I had thrown most of the tire and was creating sparks. I cannot begin to imagine how scary this must be in a class A!
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Old 06-09-2013, 03:00 PM   #47
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Just replaced a set of G670's. no issues, 7 years old. 11k miles. Reading that post makes me wonder about rigs being driven at 70 and more mph. ...
I don't want to force this thread too far into a tangent but I think this is kind of a HMMMMM moment. Why?

I have to admit that while I am comfortable with doing 70 MPH I'm thinking it isn't smart. If I am doing 70, I would think that I am probably above the best combination of torque and HP. If I step on the throttle then will I have enough juice left to get the most impact on keeping control of the MH? That is an honest question because I don't know.

So, I guess to ask the question in a different way, Does stepping on the throttle after a blow have more impact at 60 or 70 MPH?
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Old 06-19-2013, 11:07 AM   #48
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That looks like it could be a "pinch shock" impact. Do you remember hitting a really bad pothole or hitting a curb recently. When they dismount the tire they can tell from the inside damage.

Be sure to let us know how it turns out.
The guy wouldn't even look. Said that's up for Goodyear to decide. I'm sure Goodyear would fess up. HA!
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Old 06-19-2013, 10:57 PM   #49
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I'm a little confused by some of the comments here as that looks like a standard old 'side wall blowout' to me. I've driven cars hundreds of miles after tire shops telling me that they are fine and don't affect performance or tire life. Sure, RV tires carry higher pressures, but I believe the failure mechanism is the same and in general, larger tires are stronger...so I've heard.

In the RV, I've driven 100's of miles without knowing there was a side wall blowout (inside of tire) but it was there after a long day and spotted by a nice road worker who pointed it out.

My point is, a small side wall blowout like that would cause me to 'limp' to a tire shop, but wouldn't make me stop all together while waiting for a road tire replacement company to show up. I've heard of RV'ers being charged $600 for a single tire and I'd rather not feed the shark.

So, any tire professionals here that can tell us about side wall blowouts in RV and Truck tires at their higher pressures? Is it a moderate annoyance, and stable enough that we can limp to a shop at 35MPH, or something that should put us on the side of the road waiting for a mobile tire service as soon as it's spotted?

I'm curious.
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Old 06-20-2013, 06:25 AM   #50
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Spec, Good on you for being observant!
Ditto that, everyone sort of snickers at me when I do a walk around and tire pressure check at every stop.

That tire IS a disaster, for you - averted, for the person who doesn't do the check walk around - waiting to happen!

Regarding the ERS, I agree EVERY motorhome owner should have it, I just don't see how anyone could sit on the side of I-95 with jack and wrench changing a tire on one of these beasts.

Check your insurance policy too. Much to my surprise, AFTER I has signed up for Good Sam roadside service I read my insurance policy and realized that it has emergency road service for breakdowns and tire problems, including towing. I guess since I purchased 2 years of GS I am "double covered".

Same deal on boat, have had towing service since day after I got my first boat, it has paid for itself many times over.
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Old 06-20-2013, 06:35 AM   #51
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On 495 and 90 the road is like a war zone. Now you've got me thinking I can't even drive this thing without blowing a tire.
Love this comment, just said to my wife last night, I would love to take the motorhome up north but remember how bad the roads were on last trip to upstate New York, the trip through NJ and lower NY was SO bad I thought the truck and trailer would fall apart. Pot holes and broken up expansion joints yielded such violent impacts they would almost throw you out of the seat, were it not for seatbelts it may have. I said to her last night I picture in my mind driving the motorhome there and having the cabinets and such fall off the walls from the conditions - just can't bring myself to do it.

That does look like impact damage.
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Old 06-20-2013, 06:44 AM   #52
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I blew the right front tire on my Airstream 345 motorhome. The cruise control was on. I switched off the cruise and let the motorhome slow down without hitting the brakes. It as a rough ride, but I never felt in danger. I have had 5 blowouts since 1974 when I bought my first motorhome. All were on Michelin tires. I have never had a blowout with Goodyear and ran my last goodyears ten years.
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Old 06-20-2013, 07:53 AM   #53
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Love this comment, just said to my wife last night, I would love to take the motorhome up north but remember how bad the roads were on last trip to upstate New York, the trip through NJ and lower NY was SO bad I thought the truck and trailer would fall apart. Pot holes and broken up expansion joints yielded such violent impacts they would almost throw you out of the seat, were it not for seatbelts it may have. I said to her last night I picture in my mind driving the motorhome there and having the cabinets and such fall off the walls from the conditions - just can't bring myself to do it.

That does look like impact damage.
Yes, for the love of god avoid those roads!! On the trip back home we took a longer way but a MUCH more pleasant drive. We took 81 north up to 84 then to 87. We crossed over Vermont on route 9 - that was the only road that was of any real issue. Not because of the quality, but it was one lane, lots of inclines and steep declines. However the trip was FAR better than the trip down along NE main freeways!
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Old 06-20-2013, 08:40 AM   #54
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I'm a little confused by some of the comments here as that looks like a standard old 'side wall blowout' to me. I've driven cars hundreds of miles after tire shops telling me that they are fine and don't affect performance or tire life. Sure, RV tires carry higher pressures, but I believe the failure mechanism is the same and in general, larger tires are stronger...so I've heard.

In the RV, I've driven 100's of miles without knowing there was a side wall blowout (inside of tire) but it was there after a long day and spotted by a nice road worker who pointed it out.

My point is, a small side wall blowout like that would cause me to 'limp' to a tire shop, but wouldn't make me stop all together while waiting for a road tire replacement company to show up. I've heard of RV'ers being charged $600 for a single tire and I'd rather not feed the shark.

So, any tire professionals here that can tell us about side wall blowouts in RV and Truck tires at their higher pressures? Is it a moderate annoyance, and stable enough that we can limp to a shop at 35MPH, or something that should put us on the side of the road waiting for a mobile tire service as soon as it's spotted?

I'm curious.
"Standard old sidewall blowout"? Yikes. I'm not sure I'd take a tire shop's advice on that. Considering the guy who put my tire on, who was a "tire" guy, told me "you can't over-torque the nuts on steel rims", I think tire shop guys know just enough to get by (that's just one example - I find that many tire shop guys tend not to be as knowledgeable as they should be - no offense to any tire shop guys). I wouldn't have limped to a shop with that tire even at 35mph if it was possible to have someone come out and change it. The guy also started taking off my decorative wheel covers with his impact wrench by starting on the wrong fake lug. Yep, now I have a nice hole there. I'll solder it back on when I have the chance.
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Old 06-20-2013, 11:08 AM   #55
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"Standard old sidewall blowout"? Yikes. I'm not sure I'd take a tire shop's advice on that. Considering the guy who put my tire on, who was a "tire" guy, told me "you can't over-torque the nuts on steel rims", I think tire shop guys know just enough to get by (that's just one example - I find that many tire shop guys tend not to be as knowledgeable as they should be - no offense to any tire shop guys). I wouldn't have limped to a shop with that tire even at 35mph if it was possible to have someone come out and change it. The guy also started taking off my decorative wheel covers with his impact wrench by starting on the wrong fake lug. Yep, now I have a nice hole there. I'll solder it back on when I have the chance.
Years ago we went through a period in the PNW where everyone seemed to get an occasional side wall blowout (meaning just the bubble)...the shop may have just been pulling my leg, however I did hear the same thing from other shops, but I ran that tire and a couple after it with them until they were out of tread and had no 'true' blow outs. Two of them were my truck tires.

My questions in the above post were honest. It does just look like a side wall blowout and if they are the same mechanism in a RV or truck tire as they are in passenger tires, then I'll just practice my 'limp' mode to get to a safe place rather then stopping on the side of the road waiting for a tire truck. If I ever get another one. Unless I hear otherwise from an expert or two.
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Old 06-20-2013, 12:25 PM   #56
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I would certainly be more confident driving on it with a 5000lb car than a 20k-30k lb or more motorhome
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