I've had my UPD installed for a couple of years now, but it keeps destroying my belts. My belts last less than a year and they start to wear away on one end like it's rubing on something. Any body else have this issue? Anything I can do to prevent this from happening?

Thanks.

-Eric


97 Eclipse RS
1/4: 16.15 @ 87.35mph

Usually ts not the UDP, but the rensioner pulley failing that causes those symptoms.

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'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



Factory Service Manuals: http://nawdu.de/files/

check the tension on the belt, and also check the UDP for any inward dents toward the belt. Those UDP dent easily. I had a small dent toward the belt on the rim of the pulley and it was chewing up one side of the belt.

SoCal DSM
1996 RS-T: Under Construction
1999 GS AE: New daily driver
"USING NO WAY AS A WAY, HAVING NO LIMITATION AS A LIMITATION"--BRUCE LEE

Is everything lined up well? I agree with dino, its a bad pulley or a bent bracket.

Member # 751


FOUNDER of the Central Cali chapter of 2GNT!
(I got kicked out after I refused to go Cow tiping) - Hehehe you know who this is for

Also check if the UDP is lined up well, or if its torqued in correctly. Mine was shredding belts. Had the UDP tightened, no more problems.

SonicYan aka Mikey
1997 Eclipse RS
Pinoy Reppin' SoCal 2GNT
Best: 16.35 @ 83.05 MPH

Yea, 105 is the magic number. Make sure it's on tight.

1998 Eclipse GS

GS-T Axleback|CAI|OBX 4-1 Header|AF/X UDP|