Question about 2007 Chevrolet Uplander LS Minivan

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The a.b.s. are engaged at70kms and over,tire hop in front wheels obviously.this started when it got down to -20celcius,what is a inexpensive way to fix the problem help me signed Joe in kikino

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  • Chevrolet Master
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The easiest thing to do for now is just remove the main abs fuse from the underhood fuse block. It should be labeled, or the cover or owners manual will tell you which one it is. The abs light will stay on, but abs will be disabled and you will have normal braking.

Posted on Dec 11, 2009

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Posted on Jan 02, 2017

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When I select 4 wheel drive, why does it feel as though it is binding or dragging and whining while driving?


Depending on the specific vehicle many 4WD have a transfer case that will lock the front and rear drives shafts together. This configuration is only for slippery conditions like ice and snow or very wet or off road. When turning the radius is different between the front and rear so there is a lot of feedback to the steering wheel. This is created by the fact the front set of wheels and the rear set of wheels must make the same number of turns because of the locked transfer case.

If you attempt to drive on high friction surfaces the stress to the drive train is excessive and will cause damage. The whine and the bunny hop is the drive train attempting to release this tension. If you were on a slippery surface the tires would have much less resistance turning at slightly different rates.

Also critical is the tire size need to be the same. However even with perfectly matched tires the problem on dry surfaces remain the same.

The AWD vehicles are equipped with a third differential that allows for the difference between the rotation of the drive shafts so it can drive on dry pavement no problem. Some configurations allow the AWD to have the transfer case locked which falls into the first category where dry pavement is prohibited.

Some Jeeps have a viscous coupling in the transfer case that permits limited slip between front to rear but the resistance to slip increases as the deference increases as in the event one tire is slipping
These Jeeps still have the lock up option in the transfer case requiring dry pavement when engaged.

Hope this helps?
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Jan 17, 2016 | Cars & Trucks

1 Answer

Looking at what could cause the rear of the car to wiggle side to side when accelerating from 0 to 25 mph? the wheels do not look like they are wobbling when driving down the road! tire belts bad?


Tires...rear suspension...rear alignment - in that order. I had a car with a really bad rear alignment that hop sideways every time you went over a bump in the road.

Mar 14, 2015 | 2000 Oldsmobile Intrigue

1 Answer

Wheel hop rear wheels


you have bad shocks-and- or tires that need replaced-while car is setting try to push down on the rear and see if it goes down easily and then bounces when released-jack rear end up-try to spin tires and see if they spin freely-check tires for cupping or funny wear patterns-you also may have brake shoe that are coming apart and locking a wheel up without putting on the brakes-so lots of options here-hope you get it solved-cheers Denny

Nov 07, 2013 | Chrysler Sebring Cars & Trucks

1 Answer

Front driverside tire hesitates when the vehicle starts moving


Sounds like you have a bad wheel bearing. These cars are known for that. It could also be a bad CV joint [axle] , but it won't usually make your wheel hop. Jack car up and try to move wheel top to bottom. There should be no play at all. Try spinning the wheel while it is off the ground, if it's a bearing, you will hear a grinding noise. If it's a bad CV joint, you will hear a clicking. Let me know if this was helpful to you, and until you get it looked at, I wouldn't drive it, as the wheel can fall right off if it's a bearing. Good luck

Jan 04, 2013 | 1997 Chevrolet Cavalier

2 Answers

1986 F150 2wd, front suspension hops uncontrolably when one or both wheels hit a dip or manhole cover in road. I have to almost stop to get it to quit jumping up and down. Too many new parts have been...


I had a chev truck do that once . It was the tires were out of balance. A friend of mine had to put stablizer shock on the steering tie rod to stop his. It looks like a long shock that mounts to the frame and the tie rod shaft. Good Luck

Feb 27, 2011 | Ford F-150 Cars & Trucks

2 Answers

Front tires wont engage in four wheel drive


if the actuateor is vacumed,you might have have a hose that came off or it has a split in it somewhere,check that.or if you have posilock hubs one or both may be wore out or lacking grease,they are easy to remove,just a hex wrench and snapring pliers is all you need,remove and inspect for obvious sighns of wear.

Feb 03, 2010 | 1997 Ford Ranger SuperCab

2 Answers

FRONT TIRE BOUNCE AT 40-50 MPH


relace your shocks. the design of any dampner(strut or shock design) is to return the wheel to the road for handling and safety. when the shock is worn out is with continue to bounce like a basketball. it has no more strength to return to wheel to the road. a common misconception is that they are there to absorb, not true. the springs or torsion bars are there to absorb and create ride height. the shock does nothing more then return the wheel to the road. simple and inexpensive.

Feb 02, 2010 | 1994 Jeep Grand Cherokee

1 Answer

Car pops or wheel hops when turning left or right


Yes sounds like 4wd problem. To check put it in 4wd and see if it acts the same. Then check the autolock front hud's (common problem).

Aug 09, 2009 | 1996 Subaru Legacy

1 Answer

Pulsation in brake pedal and rear end hops during braking


What happens is if you have a bad front wheel bearing when you brake that wheel will turn in or out,when this happens it throws the four wheel alignment out and since this is a solid rear axle,it's forcing it to flex on the suspension,wich could cause the rear tires to bite on the outside edge of one tire and the inside edge of the other,thats one possible the other would be that the rear brakes are are not slowing the wheels evenly causing the same issue.I saw this problem with a bad front wheel bearing on a Nissan Pathfinder but not as pronouced due to the independent rear suspension. Check the front wheel bearings,which of course will mean getting the calipers off the rotors,and then check for any movement in the rotor,if there is check the hub nut,if it's loose tighten it and check for play in the rotor if there is still play that's going to be caused by a bad bearing.You can check the braking in the rear with a simple spring scale(like the ones used for fishing),with the wheels removed have someone apply enough pedal pressure to just engage the brakes but still allow movement attach the scale hook to a wheel stud and pull until it starts to move and note how many pounds of pressure it takes to move the hub.If it's uneven chech your adjusters and even them if needed and then retest,if still uneven you'll need to bleed them again.As far as the dark black substance in the fluid I would say you may gotten a contaminent in the fluid.Brake fluid gets kind of a rusty reddish residue when it breaks down.If I missed anything or you need clarification don't hesitate to ask I'm home all day.Hope this helps solve your problem.

May 05, 2009 | 1998 Chevrolet C1500

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