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Monroe Shocks Seem 1.5" too short #4628450
01/08/18 06:25 PM
01/08/18 06:25 PM
Joined: Feb 2015
Posts: 14
Louisiana
linuxology Offline OP
linuxology  Offline OP

Joined: Feb 2015
Posts: 14
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 --->

Re: Monroe Shocks Seem 1.5" too short [Re: linuxology] #4628499
01/08/18 07:04 PM
01/08/18 07:04 PM
Joined: Oct 2014
Posts: 1,449
NoVA
Jimzz Offline
Jimzz  Offline

Joined: Oct 2014
Posts: 1,449
NoVA
I have used those same shocks on some Mazda 3/5's without issue. I don't think you will have a problem.


yup
Re: Monroe Shocks Seem 1.5" too short [Re: linuxology] #4628503
01/08/18 07:07 PM
01/08/18 07:07 PM
Joined: Nov 2006
Posts: 21,277
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,277
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.


ASE L1, Master. Deutsch Meisterbrief.
Re: Monroe Shocks Seem 1.5" too short [Re: linuxology] #4628505
01/08/18 07:09 PM
01/08/18 07:09 PM
Joined: Nov 2016
Posts: 1,303
WI
HoosierJeeper Offline
HoosierJeeper  Offline

Joined: Nov 2016
Posts: 1,303
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.


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: Monroe Shocks Seem 1.5" too short [Re: HoosierJeeper] #4628510
01/08/18 07:12 PM
01/08/18 07:12 PM
Joined: Sep 2015
Posts: 1,025
PENNSYLVANIA
JeepWJ19 Offline
JeepWJ19  Offline

Joined: Sep 2015
Posts: 1,025
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

Software Engineer :]
Re: Monroe Shocks Seem 1.5" too short [Re: linuxology] #4628514
01/08/18 07:16 PM
01/08/18 07:16 PM
Joined: Jan 2017
Posts: 213
Michigan
64bawagon Offline
64bawagon  Offline

Joined: Jan 2017
Posts: 213
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 ?


64 Chevy wagon, 10 Jeep Wrangler, 18 Silverado 1/2 ton
Re: Monroe Shocks Seem 1.5" too short [Re: linuxology] #4628535
01/08/18 07:32 PM
01/08/18 07:32 PM
Joined: Sep 2012
Posts: 5,525
DFW
DBMaster Offline
DBMaster  Offline

Joined: Sep 2012
Posts: 5,525
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.

Re: Monroe Shocks Seem 1.5" too short [Re: 64bawagon] #4628541
01/08/18 07:36 PM
01/08/18 07:36 PM
Joined: Nov 2006
Posts: 21,277
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,277
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.


ASE L1, Master. Deutsch Meisterbrief.
Re: Monroe Shocks Seem 1.5" too short [Re: linuxology] #4628542
01/08/18 07:38 PM
01/08/18 07:38 PM
Joined: Dec 2015
Posts: 420
Kentucky
Fsharp Offline
Fsharp  Offline

Joined: Dec 2015
Posts: 420
Kentucky
Their explanation makes sense: there’s a metal spring inside that’s longer than the rubber bumpstop in the original spring to prevent overextension. However, this means that the shock won’t extend as far by itself, just from the pressure of the nitrogen gas in it.

Re: Monroe Shocks Seem 1.5" too short [Re: Fsharp] #4628548
01/08/18 07:44 PM
01/08/18 07:44 PM
Joined: Nov 2006
Posts: 21,277
MA, Mittelfranken.de
Trav Offline
Trav  Offline

Joined: Nov 2006
Posts: 21,277
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.
Re: Monroe Shocks Seem 1.5" too short [Re: linuxology] #4628554
01/08/18 07:49 PM
01/08/18 07:49 PM
Joined: Mar 2008
Posts: 7,922
USA
slacktide_bitog Offline
slacktide_bitog  Offline

Joined: Mar 2008
Posts: 7,922
USA
Who made the OE shocks?

Re: Monroe Shocks Seem 1.5" too short [Re: slacktide_bitog] #4628560
01/08/18 07:53 PM
01/08/18 07:53 PM
Joined: Feb 2015
Posts: 14
Louisiana
linuxology Offline OP
linuxology  Offline OP

Joined: Feb 2015
Posts: 14
Louisiana
Originally Posted By: slacktide_bitog
Who made the OE shocks?


Think it was KYB after doing some research...

Re: Monroe Shocks Seem 1.5" too short [Re: linuxology] #4628643
01/08/18 08:55 PM
01/08/18 08:55 PM
Joined: Mar 2008
Posts: 7,922
USA
slacktide_bitog Offline
slacktide_bitog  Offline

Joined: Mar 2008
Posts: 7,922
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

Re: Monroe Shocks Seem 1.5" too short [Re: slacktide_bitog] #4628653
01/08/18 09:03 PM
01/08/18 09:03 PM
Joined: Feb 2015
Posts: 14
Louisiana
linuxology Offline OP
linuxology  Offline OP

Joined: Feb 2015
Posts: 14
Louisiana
KYB is the shock for OE.

Re: Monroe Shocks Seem 1.5" too short [Re: linuxology] #4628850
01/09/18 02:19 AM
01/09/18 02:19 AM
Joined: Dec 2009
Posts: 26,901
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline

Joined: Dec 2009
Posts: 26,901
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


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
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