idler pulley bearing

[eitech]

i replaced thre ac belt on the qg15 this mornin and i realised that the idler pulley bearing was feeling a lil rough when i spun it on my finger..What would cause this bearing to go bad? Right now i not hearing any funny noises though. Finally, can the bearing alone be replaced or do i need to look for the entire piece?

[De Dragon]

i replaced thre ac belt on the qg15 this mornin and i realised that the idler pulley bearing was feeling a lil rough when i spun it on my finger..What would cause this bearing to go bad? Right now i not hearing any funny noises though. Finally, can the bearing alone be replaced or do i need to look for the entire piece?

I replaced one recently on my Honda Civic. Nissan.............I'm thinking maybe.......? Post in Nissan Forum for more answers.

[praise]

The bearing alone can be easily replace. You can tap out the old one and get the new one press in. The bearing is size is 6202. Usually over tensioning the belt causes the problem you are experiencing.

[Hook]

^^^ word!

But very few ppl have a belt tensiometer (actually I don't know of any mechanic who has one, but I'm sure there must be one...somewhere...where ever he is... ).
Is there any way to at least put a good but safe tension on your accessory belts to prevent premature bearing and/or belt failure?

MY test unvolves finding the longest stretch of the belt between pulleys and attempting to twist it perpendicular (ie. with ribs vertical). If it can just barely twist perpendicular, then it's around the correct tension. I haven't had any problems with this.
Is this a safe practice?

[Dave]

yup, i usually do about 1/4" deflection at the longest stretch point

[THE SYNDICATE]

^^good info!

[eitech]

The bearing alone can be easily replace. You can tap out the old one and get the new one press in. The bearing is size is 6202. Usually over tensioning the belt causes the problem you are experiencing.

ok kool. so u sure that's d size bearing for the b15? And where can i source it? i from the san juan area

[praise]

My mistake, the correct size is 6203. And you can get it at most parts outlet. Buy Japanese brand however, NSK, Koyo, NTN etc.

[crazybalhead]

eitech, you in san yuan man!!!!!!!! United bearings right in barataria!!

[Hook]

^^^ I was thinking that when he asked eh....on the EMR after the gas station heading west? same compound with Super Brite Dry Cleaners? Haven't been in that area in ages tho

[eitech]

ok kool..i called a place in d bamboo and dey say i cud get a whole tension pulley fuh $100..used of course..

[Strugglerzinc]

changing that bearing is DIY. one bolt and it out. not even necessary to press in.

6203 is correct.

[Rayden6]

Y11 QG15 Cable type
Changed mine today used a NSK 6301 $30
Alternator Belt is 6PK1110 $85 Bando
Power steer 3PK855 $45 Bando and Crank seal $25
As I in there changed all one time.
Seal came out with no effort put thread seal on the outside so it fits tight on timing cover.