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Old 03-26-2024, 08:11 AM
Henn28's Avatar
Join Date: May 2021
Location: Louisiana
Posts: 729
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Sounds like a bad part. Mine was stiff and took some leverage to compress when I put it on, but it did compress with a standard size wrench.

Could it be assembled incorrectly? Likely not, but part of my belt-throwing problems early on after my swap stemmed from a poorly assembled tensioner that I bought as a kit and was in too much of a hurry to check before I put it on the motor. Check your belt part number too. I was sent two 4.4 belts before I got the correct 4.6 belt.
Original owner 2002 E53 X5 4.4i to 4.6i swap
1993 Mopar 318 Jeep Grand Cherokee - original owner
2015 V6 Jeep Grand Cherokee - the nice car for my wife
1972 Audi Fox
1986 Saab 900S
1996 BMW Z3
1998 BMW E36 M3 Sedan
2004 BMW E46 M3
2006 Audi A3 Quatro
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Old 03-26-2024, 08:12 AM
andrewwynn's Avatar
Join Date: Jun 2015
Location: Racine, WI
Posts: 10,862
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How does it compare to the old one? Same uncompressed length?
2011 E70 ē N55 (me)
2012 E70 ē N63 (wife)
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Old 03-26-2024, 07:55 PM
Join Date: Jun 2021
Location: North East
Posts: 12
TsO346 is on a distinguished road
Firstly, thanks so much for the replies and help. I managed to compress the dampers but not in a bench vise. I did some caveman type stuff and used the bottom of an iron fence and the handle from one of my floor jacks as leverage. Dampers were incredibly stiff, the a/c damper felt like something freed up after several compresses and now feels like what should be normal tension but the main damper is still crazy stiff, I dunno if they overfilled it with fluid or what. Iíll try a few more times and see what happens, if itís still too stiff then Iíll just get an INA damper from FCP Euro.

The a/c assembly came in the correct orientation but I had to switch the damper around so the rubber boot was on top for the main tensioner. The belts are Conti but Iím looking to get new ones, I read Bando is good.. hopefully they come in the correct sizes. My main concern with the tensioners was fear of shredding belts and potentially causing other damage if they werenít dampening like they should.
2003 4.6is
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