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Gates 91006 Serpentine Belt Alignment Tool

by Gates

List Price: $280.61
Price: $85.20 & FREE Shipping. Details
You Save: $195.41 (70%)
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Frequently Bought Together

Gates 91006 Serpentine Belt Alignment Tool + Gates 91132 Belt Tension Tester + Gates 91107 Belt Tension Tester
Price for all three: $111.94

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Product Information

Technical Details
BrandGates
Item Weight8 ounces
Product Dimensions8.2 x 7.6 x 3.5 inches
Item model number91006
Manufacturer Part Number91006
  
Additional Information
ASINB000WYFI1A
Best Sellers Rank #77,829 in Automotive (See top 100)
Shipping Weight2 pounds (View shipping rates and policies)
ShippingCurrently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
Date First AvailableAugust 12, 2004
  
Warranty & Support
Warranty, Parts: Parts
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Product Description

Laser Belt Alignment Tool

Customer Reviews

Most people know not to direct lasers into your eyes.
JB Prentice
Shimmed the large 3 foot casting holding the alternator to correct the angular problem, and then a spacer behind the alternator pulley solved the horizontal problem.
Woodshoe
I highly recommend this tool for hard to diagnose and preventative inspections as well.
M. W. Mumma

Most Helpful Customer Reviews

5 of 5 people found the following review helpful By JB Prentice on September 7, 2013
Verified Purchase
The good:
Works well when set up correctly, cheap for what you get

The bad:
Supplied accessories not up to snuff or wrong altogether, poor instructions, may need to buy extra tools to get tool calibrated, tool not even close to calibration out of the box, stinks like it came out of a fertilizer/insecticide factory (to be fair, this last point may be due to the seller, midwayautosupply.com)

It's a laser..that means it's pretty much dead nuts accurate...that's good; however, out of the box this thing was far, far out of calibration. If I had used the "factory" calibration, I'd have thrown belts left and right - it was off by more than a belt rib, almost TWO ribs in fact. So, I went to calibrate my LaserAlign tool. A calibration template is provided, but there are no good instructions provided on how to calibrate this. Two allen keys are provided to help you with calibration: one that clearly fits the allen head screws on the mount and a smaller one that doesn't obviously go anywhere. After literally screwing around with the allen head screws on the mount for an hour, it became obvious that these screws were only for vertical adjustment and that they didn't obviously adjust the tool horizontally. Then I figured out that there are adjustment set screws for the laser UNDERNEATH the collar that screws on over the laser head. After this revelation, I found out that the smaller allen key that Gates or the vendor provided was TOO SMALL. I can't reiterate this enough: DO NOT USE THE SMALLER ALLEN KEY TO ADJUST THESE SET SCREWS UNLESS YOU WANT TO STRIP THEM OUT. The allen key provided was likely a 1.5mm - do yourself a favor and buy a 2mm allen key to make any adjustments.
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3 of 3 people found the following review helpful By Woodshoe on May 10, 2012
Verified Purchase
For reasons not completely understood, Chevy 454 engine in motorhome starting eating (7) serpentine belts after AC compressor, water pump, idler, tensioner and alternator were all replaced over a period of weeks. A straight edge was tried, but failed to detect angular misalignment problem. After commercial shop tried 3 times to identify and solve the root cause, I purchased the Gates lazer alignment tool. It took 30 minutes to identify the angular alignment and horizontal alignment problem. Shimmed the large 3 foot casting holding the alternator to correct the angular problem, and then a spacer behind the alternator pulley solved the horizontal problem. All parts used were manufactures replacement. Why the problem developed is a mystery. The 3 foot heavy steel casting that mounts the alternator was where the adjustments were made. It was eating serpentine belts in 110-400 miles, easily would have paid for the lazer align tool from the beginning. The pictures in the instructions could be improved to better show the offset of the lazer beam in use, i.e. what ridge or valley on the far pulley should the beam hit.
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5 of 6 people found the following review helpful By M. W. Mumma on August 22, 2011
Verified Purchase
I am very impressed with Gates belt tools. I was working on a recurring belt failure on a 2009 Toyota Venza equipped with a 1AR-FE 4 cylinder engine. An other dealer had put multiple belts on this vehicle for shredding for 45,000 miles. I put a belt on not knowing the prior history and the new belt immediately began to separate. I took all the pulleys off to visually inspect and I couldn't find any defect. There were no signs of collision repairs and I asked the customer if any mechanical or body work were ever performed to the vehicle, he said there were not other than the belts. I found the belt was "walking off" the water pump pulley. I needed an accurate way to inspect pulley alignment and there was no way to use a straight edge in the tight area of this vehicle. I read about this laser tool in a professional trade magazine and having had bought the Gates Krikit tool nearly 20 years ago and it is as accurate as the more expensive belt tension tools, so I knew of the quality and reliability of Gates tools. With the laser tool I was able to pinpoint the root cause to a bent a/c compressor mounting bracket and fix the car right the first time I worked on the car. I highly recommend this tool for hard to diagnose and preventative inspections as well.
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2 of 2 people found the following review helpful By Rick in Va Beach on January 22, 2014
Verified Purchase
Great tool. Last month I replaced the original Buick Rendezvous belt due to squeeking and also replaced the tensioner and idlers (all Dayco). Later that day, an eight of an inch of the new belt peeled off; the narrow piece broke and smacked around. After installation of a GM tensioner, a second belt did the same. The laser belt alignment tool found that the harmonic balancer/crankshaft pulley was not on the crankshaft far enough by 2 belt ribs. No maintenance had ever been performed that required the crankshaft pulley to be moved, i.e., the car came that way – strange this did not happen before now. Thank you to the previous reviewers for clarifying the value of the tool and speeding up my calibration.

I did modify the calibration procedure a bit. When I placed the calibration template on the floor and against the wall, the beam was off in horizontal and vertical. I loosened the visible screws on the side of the mount with the allen wrench that fits. The cylindrical laser flashlight portion can then be pushed forward or back, and can also be rotated. The battery end cap (quarter inch wide) of the light unscrews and the battery is inserted butt end first against the spring. The pushbutton switch is part of the battery end cap. The (half inch wide) laser bulb end cap also unscrews but the safety warning tape had to be moved to allow the cap to be unscrewed. After the bulb end cap was unscrewed, the 4 small allen set screws were located at 0, 90, 180, and 270 positions and the bottom screw was not accessible. I rotated the cylinder 45 degrees so that all 4 screws were accessible (45, 135, 225, and 315 positions), tightened the 2 mount screws, and then adjusted the beam in 2 directions using multiple screws.
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