Belt Tensioner Movement.
Thread Starter
Drifting
Joined: Nov 2001
Posts: 1,498
Likes: 0
From: Bucks county Pa
Belt Tensioner Movement.
On my 90 auto while the car was idling with hood open i noticed the belt tensioner was moving a bit. It moved about an 1/8 inch back and forth as the belt wobbled. No sqeals, no slipping, i checked all the pulleys to make sure they were tight. The belt moves more with air conditioner on. I did remove my frisbee about a year ago this is first i noticed though. Is that un reasonanble? It looks better when i rev the throttle. Is my tensioner going? :confused:
Team Owner
Joined: May 2002
Posts: 24,337
Likes: 25
From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
Re: Belt Tensioner Movement. (blk90rdstr)
That's my guess, is that the A/C clutch engaging is causing the belt tension to increase suddenly.. so the tensioner moves accordingly. Mine was more like 1/4" of movement when the smog pump pulley was loose.
If I were you, I'd put the frisbee on to see if its absense is the cause. Once you've confirmed that, take it back of course!
Of course, its possible that you need a new tensioner spring. If the spring weakens for whatever reason, (fatigue, corrosion) then it will bounce around more.
If I were you, I'd put the frisbee on to see if its absense is the cause. Once you've confirmed that, take it back of course!
Of course, its possible that you need a new tensioner spring. If the spring weakens for whatever reason, (fatigue, corrosion) then it will bounce around more.
Safety Car
Joined: Feb 2002
Posts: 4,212
Likes: 10
From: Sun City West Az
Re: Belt Tensioner Movement. (CentralCoaster)
There should be some marks one on the spring side and 2 ,spaced out, on the housing right across from the one. As long as the one mark on the spring side is BETWEEN the opposing 2 , you should be ok.
[Modified by ittlfly, 5:01 PM 3/31/2003]
[Modified by ittlfly, 5:01 PM 3/31/2003]
Safety Car
Joined: Apr 1999
Posts: 4,623
Likes: 2
From: Ohio
Re: Belt Tensioner Movement. (blk90rdstr)
That's what it's supposed to do. As noted below, check the static location of the adjustment marks. If it's in the zone, don't fret it. You would notice a difference in the tension of a new one vs. your current one, but for a driver, you should be fine.
I would also advise that if that belt's more than two years old, dump it. It's cheap insurance to go to Autozone and get a replacement. Don't forget, the backside of the belt drives your waterpump.
I would also advise that if that belt's more than two years old, dump it. It's cheap insurance to go to Autozone and get a replacement. Don't forget, the backside of the belt drives your waterpump.
