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#4628450 - 01/08/18 05:25 PM Monroe Shocks Seem 1.5" too short
linuxology Offline


Registered: 02/12/15
Posts: 6
Loc: Louisiana
Bought some Monroe shocks for replacement on a 2009 Mazda 5. The shock is clearly 1.5" shorter than the OEM. I have contacted the Monroe and they state...

"Monroe uses an improved rebound extension prevention method than the OE and other aftermarket manufactures. We use a spring instead of a bumper. The spring provided better handling and smoother operation. "

Not exactly sure what this means, but I call and the Monroe rep tells me to jack up the control arm so it fits, then bolt every thing up and then let the tension off the jack. Not sure of this advice and don't want to shear off a bolt that the shock connects to. I did not have to jack up control arms, for the OEM shock, so hesitant to do it for the Monroe. Any insights?

Pics here --->

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#4628499 - 01/08/18 06:04 PM Re: Monroe Shocks Seem 1.5" too short [Re: linuxology]
Jimzz Offline


Registered: 10/03/14
Posts: 1145
Loc: NoVA
I have used those same shocks on some Mazda 3/5's without issue. I don't think you will have a problem.
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#4628503 - 01/08/18 06:07 PM Re: Monroe Shocks Seem 1.5" too short [Re: linuxology]
Trav Offline


Registered: 11/20/06
Posts: 18885
Loc: MA, Mittelfranken.de
Its obviously the wrong shock IMO, the double talk is how they justify selling the correct part for one (not yours) and the wrong part for multiple other vehicles.
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#4628505 - 01/08/18 06:09 PM Re: Monroe Shocks Seem 1.5" too short [Re: linuxology]
HoosierJeeper Offline


Registered: 11/23/16
Posts: 1276
Loc: WI
I wouldn't run it. I think you'd run a good risk of over extending it and that's not real healthy for the shock if it happens often.
_________________________
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#4628510 - 01/08/18 06:12 PM Re: Monroe Shocks Seem 1.5" too short [Re: HoosierJeeper]
JeepWJ19 Offline


Registered: 09/09/15
Posts: 932
Loc: PENNSYLVANIA
Originally Posted By: HoosierJeeper
I wouldn't run it. I think you'd run a good risk of over extending it and that's not real healthy for the shock if it happens often.


+1!
_________________________
2002 Jeep WJ 4.0 | Mobil 1 HM 5w30 |
TG8A | 2.5" lift | 148k miles

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#4628514 - 01/08/18 06:16 PM Re: Monroe Shocks Seem 1.5" too short [Re: linuxology]
64bawagon Offline


Registered: 01/10/17
Posts: 167
Loc: Michigan
It comes down to who you believe. the people that built it and have to stand by it, or a group of people with unknown backgrounds and experience on the internet ?
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#4628535 - 01/08/18 06:32 PM Re: Monroe Shocks Seem 1.5" too short [Re: linuxology]
DBMaster Offline


Registered: 09/18/12
Posts: 5323
Loc: DFW
If it's compressed, even a little, with the car on the ground I wouldn't give it a second thought. My vote goes to the "use it" group.

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#4628541 - 01/08/18 06:36 PM Re: Monroe Shocks Seem 1.5" too short [Re: 64bawagon]
Trav Offline


Registered: 11/20/06
Posts: 18885
Loc: MA, Mittelfranken.de
There are two ways of looking at it, do you believe a minimum wage worker on the telephone and answering from a cheat sheet or use a little common sense? If you effect the rebound with a shorter rod you also effect compression.
Replacing a bumper with a spring hence the shorter rod doesn't make any sense but may be someone can enlighten us.
_________________________
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#4628542 - 01/08/18 06:38 PM Re: Monroe Shocks Seem 1.5" too short [Re: linuxology]
Fsharp Online   content


Registered: 12/11/15
Posts: 409
Loc: Kentucky
Their explanation makes sense: thereís a metal spring inside thatís longer than the rubber bumpstop in the original spring to prevent overextension. However, this means that the shock wonít extend as far by itself, just from the pressure of the nitrogen gas in it.

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#4628548 - 01/08/18 06:44 PM Re: Monroe Shocks Seem 1.5" too short [Re: Fsharp]
Trav Offline


Registered: 11/20/06
Posts: 18885
Loc: MA, Mittelfranken.de
If it the spring is longer than the bump stop but the same length when the spring is compressed and the rod is the same length when not installed I would agree.
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#4628554 - 01/08/18 06:49 PM Re: Monroe Shocks Seem 1.5" too short [Re: linuxology]
slacktide_bitog Offline


Registered: 03/20/08
Posts: 6162
Loc: USA
Who made the OE shocks?

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#4628560 - 01/08/18 06:53 PM Re: Monroe Shocks Seem 1.5" too short [Re: slacktide_bitog]
linuxology Offline


Registered: 02/12/15
Posts: 6
Loc: Louisiana
Originally Posted By: slacktide_bitog
Who made the OE shocks?


Think it was KYB after doing some research...

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#4628643 - 01/08/18 07:55 PM Re: Monroe Shocks Seem 1.5" too short [Re: linuxology]
slacktide_bitog Offline


Registered: 03/20/08
Posts: 6162
Loc: USA
Originally Posted By: linuxology
Originally Posted By: slacktide_bitog
Who made the OE shocks?


Think it was KYB after doing some research...


it'll say who made it right on the old shock smile

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#4628653 - 01/08/18 08:03 PM Re: Monroe Shocks Seem 1.5" too short [Re: slacktide_bitog]
linuxology Offline


Registered: 02/12/15
Posts: 6
Loc: Louisiana
KYB is the shock for OE.

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#4628850 - 01/09/18 01:19 AM Re: Monroe Shocks Seem 1.5" too short [Re: linuxology]
Garak Offline


Registered: 12/05/09
Posts: 24574
Loc: Regina, Saskatchewan, Canada
If one does not have confidence in the part and the tech people haven't built on that confidence, it's best to exchange, in my view. Further as to what Trav said, the guy on the phone isn't with you installing the part. wink
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Plain, simple Garak.

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