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I have a Hunter dsp9600 tire balancer displaying Err -20

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Posted on Jan 02, 2017

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SOURCE: I have a Hunter dsp9600

its the 220v drive computer just had my balancer go out with same error message and shaft wouldn't spin

Posted on Jan 20, 2010

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Who makes the best tire machine


Hunter is good - a lot of shops have them and all pretty good reviews but heres a link to have a look at to see what you like...
https://www.bestbuyautoequipment.com/Tire-Changer-and-Wheel-Balancer-Combos-s/428.htm

May 07, 2017 | Cars & Trucks

1 Answer

Steering gets really sensitive at highway speeds. Hit a bump then car likes to shake left and right.


Sound like out of balance tire or a separated tire or bearing but, the two most common causes are the ones. I suggest visit some tire shop and would like to have the tires inspected and balanced.

Some customers may comment on shaking/vibration in the steering wheel, floor or seat while driving at highway speeds (typically between 60-72 mph (96-115 km/h)) on smooth roads.

These specific vehicles may be sensitive to various rotating mass assemblies, especially if they are considered to be out-of-balance.

In order to correct this:
1. Visually inspect the tires and the wheels. Inspect for evidence of the following conditions and correct as necessary.
- Missing balance weights
- Bent rim flange
- Irregular tire wear
- Incomplete bead seating
- Tire irregularities
- Mud/ice build-up in wheel
- Stones in the tire tread

2. Set the tire pressure to 30 psi (205 kpa) COLD.

3. If the road test indicates a shake/vibration still exists, check the imbalance of each tire/wheel assembly on a known, calibrated, off-car dynamic balancer. If any assembly calls for more than 1/4 ounce on either rim flange, remove all balance weights and rebalance to as close to zero as possible.

Important: Some GM dealers may have a Hunter GSP9700 Road Force Balancer. This will simplify Step 5 by not requiring dial indicators. If a Hunter GSP9700 machine is available, it may also be used to measure the radial force of the tire/wheel assembly. A guideline here is 18 lbs or less.

4. While on the balancer, measure wheel runout. If radial or lateral runout exceeds .020 in (0.50 mm) for aluminum wheels (.030 in (0.76 mm) for steel wheels), replace the wheel.

5. After confirming wheel balance and wheel runout, if any changes were made, road test the vehicle again.

6. If the smooth road shake/vibration still exists:
Important: The completed worksheet must be attached to the hard copy of the repair order.

Record Radial Force Variation readings if you have access to Hunter GSP9700 Wheel Balance equipment. Use the worksheet shown in this bulletin to record the readings.

If one or more of the tires have RFV readings in excess of 18 lbs, match mount the tires to get below 18 lbs. Readings of 12 lbs. or less are preferable for critical customer concerns.

If the RFV can not be reduced to an acceptable level, replace the affected tire with one obtained locally.

The screened tire program is no longer in effect for Bridgestone/Firestone, Goodyear and Michelin. Low speed screened tires are available from Continental General only, and only for the Buick LeSabre.

Road test the vehicle to ensure the shake/vibration has been resolved.

7. Replace both lower control arms on vehicles built prior to the VIN breakpoints shown. The new lower control arms may provide an incremental improvement to the vehicle ride. Customers who have become "tuned in" to the shake condition may still feel some shake in the vehicle after the new lower control arms are installed.
Refer to Lower Control Arm Replacement, (refer to the Parts Information table below for SI document ID numbers).

Important: THE CONTROL ARMS SHOULD ONLY BE INSTALLED ON VEHICLES IF, AFTER THE TIRE AND WHEEL DIAGNOSIS AND REPAIRS HAVE BEEN PERFORMED, THE VIBRATION CONDITION STILL EXISTS.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice weekend.

Nov 18, 2011 | 1996 Geo Prizm

1 Answer

Vehicle suffering with a vibration at 150kms/hr


get tires spin balanced on a force variation tire/wheel balancer. Hard to find a shop with one but worth it. It can chek for excessive force variations in tire that other machines can't. It's a Hunter 9700 machine in the USA.

Feb 04, 2010 | 2004 Jaguar X-Type

1 Answer

I have a Hunter dsp9600 tire balancer displaying Err -7-


its the 220v drive computer just had my balancer go out with same error message and shaft wouldn't spin

Nov 20, 2009 | Air Tools & Compressors

3 Answers

Frame vibration at 30-35 mph and again at 60-70 mph newer tires balanced and re balanced, started several thousand miles after tire change to Michelin ltx's 2000 tacoma 4x4 91,000 miles


Find a tire shop that has a HUNTER GSP 9700 road force balancer. this puts a load on the tire and will find a bad tire, or rim, and it will tell the operator where the tire should be orientated on the wheel for best run out. If its a tire/wheel problem this will find it. Call a high end tire store or dealer and ask if they have one.

Oct 11, 2009 | 2000 Toyota Tacoma PreRunner

3 Answers

Why does my 99 lumina start to shake after 20 mph


is the engine shaking or the whole car?If its the car (steering wheel) balance the wheels.

Apr 04, 2009 | 1999 Chevrolet Lumina

3 Answers

2001 Lincoln Navigator shaking around 70 mph


check ur sway bar. the bolt probably came out, look at the front wheels behind the brake disk, you'll see the sway bar

Mar 16, 2009 | 2001 Lincoln Navigator

1 Answer

I have a 2004 (bought new) honda crv. a couple of years ago i replaced the tires with the same tires that came with the car: bridgestone dueler h/t d684 bl p205/70r15 95s 40,000 mi warranty. the first two...


I recommend taking your vehicle to a shop (any shop) that use a Hunter tire balancer. These machines can detect all variables that affect ride quality by not only spinning the rim, but it uses a roller to inspect the tire itself for its "road force". They can also measure the rim while on the machine for run-out to detect for a bent rim. There can be times when a tire can be mounted to the wheel in a postion that promotes more vibration, but the hunter machines can check and show the correct location to minimize the feel to the driver. Here is a picture of the kind of balancer you want your vehicle serviced at. Please let me know how things work out.7e27679.jpg

Mar 13, 2009 | Honda CR-V Cars & Trucks

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