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Old 05-20-2016, 02:01 PM   #1 (permalink)
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Question Belt misalignment

I recently purchased an 89 samurai, the motor has been replaced and it runs great. While going through the regular maintenance I noticed that the belt for alternator and water pump was frayed on the sides. After replacing is when it was noticed that the alternator pulley was out of alignment. Checked all bolts for the bracket, and checked water pump alignment with crank pulley. It is the alternator out of alignment. With the motor replacement the v-belt set up was replaced by a serpentine belt. How can I adjust to get the alternator back into alignment? I'm also assuming the motor replacement is a 1.3 as it is still carbureted, haven't checked the block yet.
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Old 05-20-2016, 04:13 PM   #2 (permalink)
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Welcome to the forum.
I think some photos of your pulleys etc will help people diagnose what is causing the misalignment.
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Old 05-20-2016, 04:16 PM   #3 (permalink)
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I will provide photos this evening. It really has me stumped.
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Old 05-20-2016, 07:13 PM   #4 (permalink)
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First photo shows the alternator and belt misalignment and second shows alignment of water pump and crank.
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Belt misalignment-image_1463789524649.jpg   Belt misalignment-image_1463789545597.jpg  
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Old 05-20-2016, 08:30 PM   #5 (permalink)
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Wow. That's a bunch.

Half inch or so off. Looks like the alternator is additionally cocked at a slight angle too!

Difficult to determine what the parts mix-match is though. Maybe the wrong alt for the application? Wrong or different attachment points? Brackets installed flipped or reversed?
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Old 05-20-2016, 08:38 PM   #6 (permalink)
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Im leaning towards the top alt bracket being wrong. Bottom bracket only goes on one way. Most top brackets ive seen have an indention where it bolts to motor. Basically pulling alt back in theory anyway.
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Old 05-20-2016, 08:42 PM   #7 (permalink)
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from what I can see there is something very wrong about how the alternator is mounted.

It looks like it is mounted about the width of the adjuster bracket forward from it's correct position.

Also, that adjuster bracket does not look right. The tab with the hole in it is not part of an OEM 1.3 adjuster bracket.

I would start by carefully examining the alternator lower mounting bracket to see if it has been fabricated or other wise does not look "stock".

The unused grooved belt pulley makes me think that the engine may not be a 1.3. You can check by looking at the flat surface on the rear edge of the block on the driver's side just below the master cylinder. It should have the block displacement cast into that surface: 1298/1324 = 1.3, 1596 = 1.6.

I hope this helps!
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Old 05-20-2016, 08:53 PM   #8 (permalink)
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I checked the casting and all i found was the G16 stamp. No cc size. I will disassemble the alt and brackets over the weekend to inspect.
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Old 05-20-2016, 08:59 PM   #9 (permalink)
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I cant see it very well but it looks like the WP and lower pulley are lined up but the alternator alone is out of alignment. If you were thinking about a GM alt conversion this might be the time to do it. The upper mount should be fairly easy to rework but I cant imagine the lower mount allowing that much movement, is there even a bolt in the lower?
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Old 05-20-2016, 09:02 PM   #10 (permalink)
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Yes sir. Even replaced them. The others had wore down the threads.
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