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Preferred Components, Inc

VIN 'Y' 2.0 DOHC 420A Timing Belt & Tensioner KIT
Avenger, Breeze, Eclipse, Neon, Sebring, Stratus, Talon
Mechanical conversion package

$133.95
TS26246M -PCI

420A 2.0 DOHC 16V Chrysler Aftermarket replacement timing belt and tensioner conversion package to replace the hydraulic tensioning system installed on "some" of the above engines. Includes idler bearing also! From Preferred Components

This timing belt has 150 teeth and it's the equivalent of a T246 belt in other competitive number systems. All of the above applications use the same timing belt but please be aware that some engine combinations have hydraulic tensioner systems while others have a mechanical (spring) tensioner system. Chrysler used absolutely no control at all when building timing belt systems for these engines and you will not be able to tell which package is on your engine . . . . until you take it apart ! No, not even with an engine VIN code. . . . now, ain't that HI-TECH ?

If your system has the hydraulic tensioner, Chrysler and Mitsubishi dealers have "captured" the hydraulic tensioner adjuster and do not allow it to be sold on the aftermarket by the OE supplier. SO, if you would like to replace the hydraulic tensioner system with a mechanical spring tensioner system because of the outrageous price the guy at the OE parts counter just quoted you, consider this conversion kit as it will certainly save you some of your hard-earned bucks !

Please note: severe engine damage can occur from simple errors. Installation should only be performed by a professional, certified technician !

Following is a quote from the product information sheet:

"Friction vs. Hydraulic" 2.0 & 2.4 Chrysler Timing Belt Tensioners

Friction tensioners respond differently than hydraulic tensioners due to fluctuating belt loads as resonance points (belt flutter effects). While hydraulic tensioners pump the load up; Mechanical Tensioners do not. Therefore, when resonance (out of control vibration) is occurring the hydraulic systems tend to overload. At resonance the relative difference in motion between the crank and carn causes a stretching and relaxing of the timing belt joining the two in motion. Mechanical tensioners respond to this resonance more favorable and without cautionary loads. Hydraulic tensioners respond in only one direction and causes the load to become excessive at certain RPMs more than others. The longer the timing belt span, the more likely the flutter (resonance) will occur.

On the back of this page you can see the data charted from actual running test engines with Mechanical vs. Hydraulic Tensioner systems. The charted data speaks for itself, a mechanical timing belt tensioner is better for the engine and timing belt." The link to that chart image follows here and, please note that Litens Automotive Group is ALSO THE OEM for the original mechanical systems used by Chrysler:

Check out this comparison chart from the manufacturer
[ opens another window ]

Already have the timing belt that you plan to use ? And, just want to buy the mechanical tensioner assembly ?
Click here for the easy solution to that condition =o)

AND, if you still want more information, I have scanned and published the installation instructions
for your no obligation review, just e-mail me for links to those 3 pages =o)


Following video clip is courtesy of Dave Wenzlick, a fine long time customer who offered to do the "show and tell" to help an old guy 'splain this:





   And, check this link for some VERY helpful visual      tips because it just doesn't get any better than this !







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