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Old 07-27-2021, 04:48 PM   #1
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Shock install

We have a 2003 Allegro Phaeton on a Freightliner XC chassis, any replaced the shocks themselves? Are the Sachs shocks that are OEM as good as aftermarket? Thank you for any advice.
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Old 07-27-2021, 05:19 PM   #2
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There will be a lot of argument about the life of the Sachs shocks and their quality. I've had two Freightliner chassis and replaced the shocks in the first six months on both. It improved the ride on both (Konis).

The fronts are pretty easy to replace and you can just crawl under the front and change them out. Air tools help a lot.

Unfortunately, Freightliner puts the rear shocks between the inner dual and the frame. Reaching the lower bolt is not bad, but reaching the upper requires one of two methods......pull the duals and change the shocks in just a couple of minutes or get the coach body lifted high enough to reach over the duals with long arms and tools. I did it once, but it was much easier to just pull the duals.

***This was done on a tag axle coach, so a single rear axle may have a little more room if you can get to the upper bolt from behind the duals.
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Old 07-28-2021, 03:50 AM   #3
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Thank you Don, there isn’t much info on Sachs shocks anymore and I’m wondering if the one’s Freightliner wants to sell have been sitting on the shelf for 18 years. I’ve never heard of an OEM part cheaper than an aftermarket, so that might be telling me something. Thank you again
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Old 07-28-2021, 01:20 PM   #4
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I would rate the Sachs shocks as OK, not great. All shocks wear out and need replacing. Favorites are Bilsteen and Koni which have different characteristics. I replaced my Sachs with Koni and there was some improvement but not an earth shattering OMG type. That was an 07 Itasca DP and changed in 18.
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Old 07-29-2021, 10:39 AM   #5
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Quote:
Originally Posted by Npkp View Post
We have a 2003 Allegro Phaeton on a Freightliner XC chassis, any replaced the shocks themselves? Are the Sachs shocks that are OEM as good as aftermarket? Thank you for any advice.
I replaced mine with Bilsteins. No complaints.
The fronts are easy to access, but the rear shocks are right behind the wheels. I suppose someone could replace them without wheel removal....but I couldn't.
Most shops around me won't do the work unless I bought the parts from them...and then I still could only find one outside of RV repair that would even talk about doing it.

I called some truck tire shops....and for $60 they sent a guy out to remove my duallies (I had jack stands to the put the axle on) so I could replace the shocks. After i replaced they sent the guy back out for no charge and replaced the wheels. If I would have know how little time it would have taken to replace the shocks, I would have replaced each side even while the tire guy was taking off the other side and he could have put that side back on.

Good luck.
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Old 07-29-2021, 10:52 AM   #6
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Replacing of the shocks is not a difficult job. Ramps for the front are advisable if you have independent front suspension. I replaced my shocks with the original Koni's.
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Old 07-29-2021, 05:13 PM   #7
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I got rid of the front Sachs shocks. They have no compression dampening. Only extension dampening. I improved my handling with Koni FSDs.
Rears are too hard to change myself.
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Old 07-30-2021, 09:12 AM   #8
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Thank you all for the reply’s, maybe I’ll start with the front and see if I notice any difference and keep checking around to see if someone will remove my wheels.
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