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Sir,
I would like to adjust the serpintine belt of my 1992 gmc Sierra 2500 truck with the 457 engine.
I need to know how to achieve the proper tension. The tensioner became out of adjustment while I was changing the belt. I have the tools to loosen the tensioner. I just need to know how to set the tension.
Thanks,
jim
Answer -
You DO NOT usually have to SET the tensioner as it is self adjusting.
Thank you for replying to my question but you did not answer it. Because the tensioner loosened on its bracket when I Took the old belt off it needs to be adjusted. When I put the belt on and I apply tension with the tensioner how do I set the proper tension? right now the tensioner is lose on the bracket.
Thanks,
Jim
autohelp
Answer -
I have yet to run into this type of problem. All the ones that I have encountered you simply use a wrench or a ratchet and socket or a 1/2 reaker bar to pull on the tensioner to UNLOAD the internal spring and slip the belt off from under one of the driven components. When you release pressure via the above said tool(s) you simply do the same thing in reverse oorder.
I do not have a gmc Sierra 2500 truck with the 457 engine book to look at, But I have NEVER seen a loose tensioner on it's bracket.
I would have to physicall see this in order to help you.
If you can e-mail pictures, E-mail them to me at:
meperganfortis@msn.com
and I will tell you what the problem is.
I know what the problem is and I have discribed the problem to you clearly. You obviously have not ever had to install a tensioner and don't know how. Thanks anyway. No further communication is necessary.
autohelp
Answer -
I'm SORRY, But I have installed many tensioners on many vehicles and I think that you are just not explaining your problem correctly.
I own 3 GM vehicles and 2 have tensioners with serpentine belt setups.
I will even tell you WORD for WORD what the OEM book says:
1. The tensioner is spring loaded. After replacing the belt the tensioner will return to it's original tension setting.
2. Insert a 1/2" breaker bar into the tensioner pulley.
3. Rotate the tensioner to the left. (counter-clockwise).
4. While holding the tensioner in the above # 3 position, Remove the belt.
5. Reroute the belt in the CORRECT application onto the driven components.
6. Repeat step # 2, # 3 and # 4 but in step # 4 install the new belt.
What else do you want from me ?. If you want to tow the vehicle out here to NM I will install your belt for FREE.
Please excuse my apparent hostility, But there is something about this simple belt replacement that you do not understand.
Did you read and follow the manufacturer's directions on how to PROPERLY remove and install the belt or did you just dive in and GUESS ?.
Why is it you can't understand that the nut and bolt that hold the tensioner to the vehical/bracket became lose some how?
This is my first try at getting help this way. I have relaced belts and have installed a flex fans and changed the water pumps on this vehical and others.
I am not new and I have explained the problem adequatly. If I sound hostal I am not. Actually I am having fun.
Obviously you have not seen this problem before and can't see the simplicity of it. The tensioner is a stand alone item and the spring is pre-loaded as part of the assembly.
All you have to do is find a manual and look up how to place a tensioner in position and tighen the 18mm stud and nut that holds it to the vehicle/bracket so when I install the belt it has the proper tension. I was under the impresssion that this is the kind of thing you do.
autohelp
Answer -
I tried answering your questionhours earlier but apparently the web site was DOWN.
HI,
OK, Re-read your FIRST paragraph in your initial question and show me where it say's :
The nut and bolt that hold the tensioner to the vehicle/bracket became lose somehow?
Because I can't find it.
Let's try this AGAIN. I do NOT need a book to look at to give you the answer that you are looking for. All I needed was your telling me that:
"the nut and bolt that hold the tensioner to the vehicle/bracket became lose somehow?".
On all the tensioners that I have installed on GM, Ford, Chrysler, AMC, British Leyland and many other foreign vehicles, on the backside of the tensioner there is naturally a hole for the bolt to go thru to mount it onto the bracket.
Also on the backside of the tensioner there is a GUIDE PIN that fits into a hole next to where the bolt goes thru the bracket.
If you have this SECOND hole in the bracket and NO GUIDE PIN on the backside of the tensioner, You may have broken the it on the backside of the tensioner.
If you want me to drag out a couple of books that show a tensioner system like or similar to yours for pictures of the tensioner, I will be more than happy to SCAN and e-mail it to you as this board does NOT allow sending/receiving any pictures. So in order for me to send you a picture I need your e-mail address of which will remain confidential and will NOT be used for any other purpose than to communicate with you.
This IS the best I can do. If it is not good enough or you think I am wrong that is your personal opinion and I can except that. I get 50 to 60 questions DAILY asking for HELP.
Well you finally answered my question, The guide pin must be broken.
True I could have discribed the problem better in the first paragraph but the second paragragh was clear enough for you to get to the answer.
Thank you, I can take it from here. Keep Smiling..........
autohelp
AnswerHI,
Are you referring to this paragraph ?.
Thank you for replying to my question but you did not answer it. Because the tensioner loosened on its bracket when I Took the old belt off it needs to be adjusted. When I put the belt on and I apply tension with the tensioner how do I set the proper tension? right now the tensioner is lose on the bracket.
You should have NOTICED there were 2 holes in the bracket and obviously the large one was for the BOLT. Were you not curious as to what the smaller hole was for ?. Had you mentioned that there are 2 holes in the bracket this would have given me your answer that you needed, Thus the GUIDE PIN on the tensioner is broken off.
Your Welcome,
autohelp
