AC/Power Steering Serpentine Belt - '91 S4 - Page 3 - Alfa Romeo Bulletin Board & Forums

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post #31 of 35 (permalink) Old 06-11-2015, 01:24 PM Thread Starter
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Thanks guys, I think maybe, we're narrowing it down. . . I'm needing to correct another issue with a leaking seal on the Speedometer sending unit. I've been waiting to get it up on a friend's lift, so while I've got it up in the air, I can look at the compressor mounts . . . I'll bet I can fabricate new bushings if the ones under the mounting plate are mushy.

This car shows 50,000 miles and by appearance and general condition, even with the incomplete maintenance records that I have, I believe it to be original mileage. As I'm working thru these relatively minor issues, I wonder if it would be prudent to go in a bit deeper, and change the timing belt? The car runs great, and I've no reason to suspect an imminent failure, but I'd rather perform a preemptive maintenance, then a later necessary one . . . maybe with associated valve damage.
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post #32 of 35 (permalink) Old 06-11-2015, 01:45 PM Thread Starter
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Never mind the question regards the "Timing Belt" . . . I've messed around too long with some other engines, not as robust in the engineering as these appearantly
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post #33 of 35 (permalink) Old 01-07-2017, 09:23 AM
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Just found this thread and my issue is related the the serpentine belt. As you can see from the photos the belt was rubbing against what looks to be the anti-sway bar. How can this be remedied before replacing the belt? Also the NAPA part # 25-050570 is the correct belt?

Last edited by srguy; 01-07-2017 at 09:25 AM. Reason: add photos
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post #34 of 35 (permalink) Old 01-07-2017, 11:39 PM
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Originally Posted by srguy View Post
Just found this thread and my issue is related the the serpentine belt. As you can see from the photos the belt was rubbing against what looks to be the anti-sway bar. How can this be remedied before replacing the belt? Also the NAPA part # 25-050570 is the correct belt?
Hi srguy,

I'm not seeing any pictures, but when the motor mounts get old and worn, they can compress and allow the crankshaft pulley (that drives the AC belt) to move down and make contact with the black suspension rod that runs across underneath it, just aft of the radiator. I'm guessing that if your serpentine belt is touching the round rod that spans from side to side underneath it, your motor mounts need to be replaced.

Cheers,

Edward
'88 Quad - "Claudia"
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post #35 of 35 (permalink) Old 01-08-2017, 07:31 AM
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Hi srguy,

I'm not seeing any pictures, but when the motor mounts get old and worn, they can compress and allow the crankshaft pulley (that drives the AC belt) to move down and make contact with the black suspension rod that runs across underneath it, just aft of the radiator. I'm guessing that if your serpentine belt is touching the round rod that spans from side to side underneath it, your motor mounts need to be replaced.

Cheers,
Couldn't get the photos to upload but that's what I suspected. The mounts look fine but the rubber isolation bushings appear to have compressed.
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