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Old 05-02-2012, 09:37 AM
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1992 500SL Removing Harmonic Balancer Please Help

Recently purchased this car and repairing/replacing alternator, tensioner, water pump, radiator, etc. I will get some pics up on the forum, but its gotta run first

Trying to get the water pump off the car and after searching this forum I see the harmonic balancer must come off before you can get to the bottom water pump bolt.

I have soaked it with PB Blaster for a couple of days. Today I went to gently pry it off and its budging for sure but won't break loose. So question is: do I need to rent a three-pronged puller??

*********I should have noted earlier but I just removed the 6 smaller surrounding bolts, NOT the larger center bolt.


Please help, getting frustrated and need ideas. Thanks in advance.

Grant

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Last edited by nissanzx1; 05-02-2012 at 10:08 AM. Reason: Forgot to mention center bolt
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Old 05-02-2012, 09:57 AM
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Join Date: Mar 2007
Location: Edgerton OH 43517
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Quote:
Originally Posted by nissanzx1 View Post
I have soaked it with PB Blaster for a couple of days. Today I went to gently pry it off and its budging for sure but won't break loose. So question is: do I need to rent a three-pronged puller??

Grant
First, congratulations on your R129. I just purchase a 1995 SL320 a few weeks ago.
I would definitely get a puller. Is there an auto parts store where you can borrow one? Even with the puller you many need to tap it with a hammer to initially break it loose.
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Old 05-10-2012, 11:44 AM
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I wanted to update this posting in case it helps somebody else someday.

I soaked the center of the Harmonic Balancer with PB blaster for a couple of days. The trick to getting it off for me was grabbing it at 2 o'clock and 6 o'clock positions and just working it off with opposing hand force. A puller was NOT needed in my case.

The center bolt did NOT have to come off for my 92 500SL M119 engine, just the surrounding 6 bolts.

Hope this helps someone else someday.

-Grant

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