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 Automotive questions.

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TM



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PostSubject: Automotive questions.   Wed Feb 18, 2009 7:46 pm

Have you ever wished you could ask a professional an automotive question and know that he wasn't giving you an answer just to get a job ? We now have someone that is an automotive technician, though he prefers mechanic, who has agreed to take questions. Now as we all should realize, many mechanical issues are not just black and white and can not be diagnosed over the internet. That isn't what I have in mind here. Wolf has agreed to take questions and give us an answer from a mechanics perspective. It may be that he can tell us what to look for when we take a vehicle to a local mechanic or what a problem sounds like it might be. And it may be that we have no questions for him.

Yes another trial and error section but hey, who knows until we try.

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nannymom



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PostSubject: Re: Automotive questions.   Wed Feb 18, 2009 8:47 pm

cool idea...
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emeraldinlays



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PostSubject: Re: Automotive questions.   Thu Feb 19, 2009 1:27 pm

Wow, this is an awesome idea, TM!

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sadiebythesea



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PostSubject: Re: Automotive questions.   Thu Feb 19, 2009 4:52 pm

wow!! thats very nice of him

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Wolf



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PostSubject: Re: Automotive questions.   Thu Feb 19, 2009 5:50 pm

Hi Gang,
TM asked if I would offer any suggestions that I might have on repairing your automobiles. It sounds fun to me. I started working on automobiles part time in a gas station in 1974, my Junior year in high school. After I graduated I started at Firestone doing Brakes, Suspension, and Tune Up work. After two years I went to an independent garage and have had several jobs since in dealerships and independent shops. I am currently an independent shop working on a pretty wide variety of different makes and models.

It is very difficult to give conclusive answers to "My car does this, What's wrong with it" questions. Most symptoms can have any number of causes and require specific information to begin the diagnostic process. Maybe we can explore what some of the best ways you can have that information ready before you drop your vehicle off to be repaired. If you are mechanically inclined, maybe I can give you a hint that will help you solve the puzzle.

Or maybe you just want to blow off a little steam because you feel you've been ripped off and you want to yell at a mechanic. Mad We'll talk it out.

I will try to check in as often as I can and reply as soon as I can. You may be surprised once you get this discussion going how much you can help each other. It hope it will be fun and interesting.

Wolf
ASE Certified Master Automobile Technician
ASE L1 Advanced Engine Performance Specialist
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nannymom



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PostSubject: Re: Automotive questions.   Thu Feb 19, 2009 6:58 pm

wolf, my old junker is on it's last leg...where do i bury it? ha ha just joking...the old rust bucket just keeps on running! without a mechanic!
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Wolf



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PostSubject: Re: Automotive questions.   Thu Feb 19, 2009 7:13 pm

nannymom wrote:
wolf, my old junker is on it's last leg...where do i bury it? ha ha just joking...the old rust bucket just keeps on running! without a mechanic!


You must be treating it well nannymom. That is the best kind of car to have. Hang on to your faithful friend as long as it will stay with you!
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TM



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PostSubject: Best buy   Sat Feb 28, 2009 11:22 pm

Hey Wolf I'm curious. What makes or models of vehicles would you put at 1 and 10 if 1 is the best and ten is the worst ?
I know it may not be that simple and we won't hold you responsible if one of use buys your number 1 car and it turns out to be a lemon.

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Talimook



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 12:10 am

Wow! How did I miss this thread?

Wolf,


I do have a question that may be a "My car does this, what's wrong with it?" type of question.

1997 Chevy Cheyenne 2500

The truck runs great and drives great. However, when I apply the brakes, it feels like the front-end is bouncing.... almost as if there were a knot on one of the tires. There is no sound at all, and the steering doesn't pull to either side specifically, but wiggles back and forth just a bit.

Also, when turning mildly to the right at highway speed, sometimes the front-end will suddenly dive into the turn.

My question is this. Are both of these symptoms caused by the same problem, or do I have two separate problems?

Thanks in advance for any info you'd be willing to share Wolf.

Talimook
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TM



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 4:29 pm

Hey Wolf, you've got mail.

I figured you missed this somehow, it happens to me often.

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Wolf



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 6:43 pm

Talimook wrote:
Wow! How did I miss this thread?

Wolf,


I do have a question that may be a "My car does this, what's wrong with it?" type of question.

1997 Chevy Cheyenne 2500

The truck runs great and drives great. However, when I apply the brakes, it feels like the front-end is bouncing.... almost as if there were a knot on one of the tires. There is no sound at all, and the steering doesn't pull to either side specifically, but wiggles back and forth just a bit.

Also, when turning mildly to the right at highway speed, sometimes the front-end will suddenly dive into the turn.

My question is this. Are both of these symptoms caused by the same problem, or do I have two separate problems?

Thanks in advance for any info you'd be willing to share Wolf.

Talimook


Hey Tali,

I don't think at first impression that your symptoms are caused by the same problem. I can't say for sure without checking them out first hand. But I will gve you my first impression.

Problem #1. If your truck only exhibits the steering wheel shake when you apply the brakes it sounds like a classic case of warped rotors. If if were a loose component or faulty tire it should have the same symptoms at other times and not just when you put on your brakes.

Problem #2 There is a system on your truck called EVO (Electronic Variable Orifice) steering which monitors several factors including vehicle speed and the speed at which you are turning your steering wheel. This system will vary the rate of power steering assist based on these conditions. If you are rolling through town slowly or in a parking lot creeping you will receive maximum assist that you may need to maneuver under these situations. If you are cruising down the road at highway speed the assist is at minimum to give you a better feel of the road. Now the one thing that I would suspect from your description is that the steering wheel speed/position sensor is sending a false reading and you are receiving maximum assist at a time when it is unwanted. It usually will be most noticeable in a curve at highway speed and present itself as normal steering and all of a sudden it feels like something gave away and you turned into the curve farther than you were intending. This condition will often set a code and a technician can verify it for you. It will not always set a code however and that would lead us to replace the sensor based on it's track record or wait until it did malfunction severely enough to verify that it was bad.

At any rate, if you take it in to a shop to be diagnosed and repaired make sure you describe the symptoms to them and let them know that you feel they might be separate . Ask them if they have heard of the steering wheel sensors going bad and causing this. They should be able to verify that your truck does indeed have EVO and check for codes. Let me know if you have any other thoughts or questions. Good Luck!
Wolf
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Wolf



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 7:16 pm

TM wrote:
Hey Wolf I'm curious. What makes or models of vehicles would you put at 1 and 10 if 1 is the best and ten is the worst ?
I know it may not be that simple and we won't hold you responsible if one of use buys your number 1 car and it turns out to be a lemon.


I can only give you an answer on what makes a car #1 in my books. There are too many variables involved in what makes a car a lemon.

#1 is a vehicle that is common and known to be economical to repair. Now many foreign cars are known for reliability. They are not always known for being economical to repair. This in my mind rules them out as a high mileage purchase. We all know something is going to break sooner or later. Your best bet if considering a purchase is to check with the shop you intend to have your vehicle serviced and repaired in and get their recommendation on what they are most comfortable with repairing. See if any of those recommendations fit into your budget and dreams.

I only post this as an economic point of view. From my perspective the fewer dollars you spend on repairs the better life is. I wouldn't discourage anyone from buying an exotic or rare car. I would just advise them to set aside a corner of their budget to accommodate that special joy of ownership.

There are many things that cause a car to be a lemon and they are not all related to the owners habits. I always felt that it was better to be the owner of a lemon common car than the owner of a lemon exotic car. At least in terms of dollars and cents. Good question TM.
Wolf
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Talimook



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 7:34 pm

"It usually will be most noticeable in a curve at highway speed and present itself as normal steering and all of a sudden it feels like something gave away and you turned into the curve farther than you were intending"

Yes, that is EXACTLY what it does. So is the sensor something that can be replaced at home? Can you buy one at the parts store?

Thanks Wolf. I consider this to be good news.

Talimook

Hey TM. Since you started this thread, I think you should come down and help my wife fix it! Say tomorrow.... sevenish?
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TM



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 7:50 pm

Is she going to have some of those warm buns you posted pictures of ?

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Talimook



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 8:02 pm

Sure TM. She can bake and do truck mechanics at the same time.

Tali
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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 8:18 pm

Don't under estimate your wife Tali1 she is a Mom & we Mom's can multitask!

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Wolf



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 8:24 pm

Talimook wrote:
"It usually will be most noticeable in a curve at highway speed and present itself as normal steering and all of a sudden it feels like something gave away and you turned into the curve farther than you were intending"

Yes, that is EXACTLY what it does. So is the sensor something that can be replaced at home? Can you buy one at the parts store?

Thanks Wolf. I consider this to be good news.

Talimook

Hey TM. Since you started this thread, I think you should come down and help my wife fix it! Say tomorrow.... sevenish?


Tali, if you are mechanically inclined you can do this at home. I don't know if the sensor is available aftermarket such as O'Reilleys but any GM dealership can get one for you if you can't find one at your favorite parts store.

It is located at the base of your steering column. You will have to take the bolt that secures your column shaft to the intermediate shaft out and the intermediate shaft down. It is telescoping and generally free. Take a look before you start. You should be able to see how the sensor unclips. Another thing to keep in mind is that the connector for the sensor is up above and wrapped in foam rubber from the factory. It may be a bit of a workout for the fingers but if you feel up to the challenge then carefully dive in. The sensor is just a little round critter that slides over the shaft and snaps into a retainer.

I would love to head your way and help you walk your wife through this task, but odds are that we would be sitting there sipping coffee and talking music and quoting Paul Harvey when she would jump out from under the steering column with that special attitude that one can get while working on these things, and send us both packing for the woods. Now I wouldn't put you in a situation like that. I'm just not that kind of wolf!
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Wolf



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 8:35 pm

Allie wrote:
Don't under estimate your wife Tali1 she is a Mom & we Mom's can multitask!


Moms have to don't they! But in our defense us dads do too. Maybe in different ways. We seem to compliment each other many times with our differences. Perhaps Tali and his wife can fix this thing together.

If it winds up like this, , I hope Tali won't blame me! No
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Talimook



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 9:05 pm

"I would love to head your way and help you walk your wife through this task"



Problem is, my wife doesn't walk through anything.... she runs!

My son and I were replacing the water pump in her van last spring and we were having a devil of a time removing a bracket. After trying and trying and trying to remove it for about 2 hours, we finally gave up. I stormed into the house and told her to call a tow-truck.

She asks "Do you want me to go out and take it off?"

I replies "You CAN'T take it off, the bolt head is deep in a recess and is rounded off!"

Out the door she goes, I poor a cup of coffee and light a smoke.
3 minutes later, she comes in and lays the bracket on the table in front of me. Both me and my son 'bout fell in the floor.

How in the world did she do that???

Allie, she told me she used a fork..... somehow, I believe her!

Wolf, I certainly won't blame you for anything at all.



Talimook
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TM



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 9:33 pm



You are on your own Tali.

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Allie



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 9:38 pm

she told me she used a fork..... somehow, I believe her!

too funny!

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Wolf



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PostSubject: Re: Automotive questions.   Sun Mar 01, 2009 9:47 pm

Talimook wrote:


How in the world did she do that???


Talimook


My wife has amazed (and/or embarrassed) me in just that way! It just make you grin! Very Happy

BTW: She probably did use a fork
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PostSubject: Re: Automotive questions.   Mon Mar 02, 2009 12:09 am

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Wolf



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PostSubject: Re: Automotive questions.   Mon Mar 02, 2009 2:01 pm

Tali,

Here is a picture of the sensor.

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Talimook



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PostSubject: Re: Automotive questions.   Mon Mar 02, 2009 3:24 pm

Oh Wow! That'll help me locate it easier. Thanks Wolf.


Tali
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