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New Moog Quick Struts- Clunking, Banging, Creaking #4548612
10/19/17 06:31 PM
10/19/17 06:31 PM
Joined: Nov 2007
Posts: 1,466
New Jersey
Rock_Hudstone Offline OP
Rock_Hudstone  Offline OP
Joined: Nov 2007
Posts: 1,466
New Jersey

Like the title says, Installed a set of Moog complete strut assemblies last week on a Dodge Grand Caravan, now it's lost the once smooth quiet ride for clunks and harsh ka-bang noises over moderate pot holes and creaking coming from the upper strut mount when turning.

Especially bad when they/re cold in the morning and temps have been above average recently.
I'm thinking about putting the old ones back in for now, even with all the miles on them they rode better and without the strange noises.


Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4548617
10/19/17 06:38 PM
10/19/17 06:38 PM
Joined: May 2010
Posts: 9,488
out there
spasm3 Offline
spasm3  Offline
Joined: May 2010
Posts: 9,488
out there
I just prefer to assemble them myself, knowing what components went in. Usually less expensive as well. The mcPherson strut compressors I bought 25 years ago, have more than paid for themselves.

If oem strut bearings are available, i'd use those with a good shock. It's really not hard to do.

Last edited by spasm3; 10/19/17 06:40 PM.

13 elantra 72k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 7300 miles m1 0w30
Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4548620
10/19/17 06:39 PM
10/19/17 06:39 PM
Joined: Oct 2014
Posts: 1,349
NoVA
Jimzz Online happy
Jimzz  Online Happy
Joined: Oct 2014
Posts: 1,349
NoVA
Check the main center nut on top of the strut. I have seen many of these all in 1 struts where that nut was not tightened down all the way and made noises like you describe.


yup
Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4548623
10/19/17 06:43 PM
10/19/17 06:43 PM
Joined: May 2009
Posts: 2,304
WA (USA)
Y_K Offline
Y_K  Offline
Joined: May 2009
Posts: 2,304
WA (USA)
Did they come with all the gear, e.g. grommets, sleeves, bushings of all sorts, retainers, etc. Can be confusing, in Ford speak they could be called insulators, and the word 'mounts' could mean different things for the same car; they play a semantics game to keep service advisors employed... I would check with the pertinent diagram.


"This forum talking about 4wd systems is like when other forums talk about oil."
Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4548628
10/19/17 06:46 PM
10/19/17 06:46 PM
Joined: Dec 2002
Posts: 42,301
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,301
New Jersey
Sounds like either they arent tightened, or the mount isn't tightened to the vehicle.

Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Jimzz] #4548635
10/19/17 06:49 PM
10/19/17 06:49 PM
Joined: Nov 2007
Posts: 1,466
New Jersey
Rock_Hudstone Offline OP
Rock_Hudstone  Offline OP
Joined: Nov 2007
Posts: 1,466
New Jersey
Originally Posted By: Jimzz
Check the main center nut on top of the strut. I have seen many of these all in 1 struts where that nut was not tightened down all the way and made noises like you describe.


Yeah, I was thinking about that, but that would mean taking the struts out.

How the does the nut get torqued, impact gun at low setting?

Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4548703
10/19/17 07:58 PM
10/19/17 07:58 PM
Joined: Mar 2008
Posts: 7,348
USA
slacktide_bitog Online content
slacktide_bitog  Online Content
Joined: Mar 2008
Posts: 7,348
USA
Unfortunately, the Moog quick struts are Chinese. And they won;t even disclose who supplies the damper cartridge.

Much better off with Monroe, KYB, or Gabriel.

Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4548726
10/19/17 08:18 PM
10/19/17 08:18 PM
Joined: Oct 2014
Posts: 1,349
NoVA
Jimzz Online happy
Jimzz  Online Happy
Joined: Oct 2014
Posts: 1,349
NoVA
Originally Posted By: Rock_Hudstone
Originally Posted By: Jimzz
Check the main center nut on top of the strut. I have seen many of these all in 1 struts where that nut was not tightened down all the way and made noises like you describe.


Yeah, I was thinking about that, but that would mean taking the struts out.

How the does the nut get torqued, impact gun at low setting?



What year is your Grand Caravan? I take it the strut top does not go through the wheel well and under the hood?


yup
Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Jimzz] #4548740
10/19/17 08:44 PM
10/19/17 08:44 PM
Joined: Nov 2007
Posts: 1,466
New Jersey
Rock_Hudstone Offline OP
Rock_Hudstone  Offline OP
Joined: Nov 2007
Posts: 1,466
New Jersey
Originally Posted By: Jimzz
Originally Posted By: Rock_Hudstone
Originally Posted By: Jimzz
Check the main center nut on top of the strut. I have seen many of these all in 1 struts where that nut was not tightened down all the way and made noises like you describe.


Yeah, I was thinking about that, but that would mean taking the struts out.

How the does the nut get torqued, impact gun at low setting?

What year is your Grand Caravan? I take it the strut top does not go through the wheel well and under the hood?

Its a 2000 GC. The strut mount goes into the engine compartment but there is no room to get a socket on the strut rod nut.

Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4548826
10/20/17 12:39 AM
10/20/17 12:39 AM
Joined: Aug 2010
Posts: 12,910
Northern Kentucky
901Memphis Offline
901Memphis  Offline
Joined: Aug 2010
Posts: 12,910
Northern Kentucky
I'm running the Moog ST8547 on my Century, unfortunately I can confirm they're Chinese but so far so good been on about 9 months.


2012 Chevy Cruze LT 1.4T - 59k - Edge 0w30 SL + Mahle OX401D
2002 Buick Century 144k - Built 4T65e(Maxlife) - GTX 5w30 + Fram XG3980
Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4549086
10/20/17 08:57 AM
10/20/17 08:57 AM
Joined: Feb 2011
Posts: 6,769
Hudson, NH
LeakySeals Offline
LeakySeals  Offline
Joined: Feb 2011
Posts: 6,769
Hudson, NH
I had same thing installing some Arnotts w/out using a torque wrench. Went back over bolts with correct torque, bump rattles disappeared, never came back.


06 Escalade 6.0L LQ9 AWD 165k M1 0w40
03 Maxima 3.5L POS 152k ST HM 10w30
Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: LeakySeals] #4549752
10/20/17 10:06 PM
10/20/17 10:06 PM
Joined: Nov 2007
Posts: 1,466
New Jersey
Rock_Hudstone Offline OP
Rock_Hudstone  Offline OP
Joined: Nov 2007
Posts: 1,466
New Jersey
Originally Posted By: LeakySeals
I had same thing installing some Arnotts w/out using a torque wrench. Went back over bolts with correct torque, bump rattles disappeared, never came back.

I'm going to check the strut nuts sometime this weekend, all the other bolts were torqued properly.

They were making the metallic clunks and creaks this morning again when cold, what is causing that? Goes away after a mile or so but the daytime temps have been around 70F, I hate to think what it will sound like when it gets cold.

Ride quality not great either, too harsh for my tastes.

Doubtful this will be an easy fix.

Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4549755
10/20/17 10:10 PM
10/20/17 10:10 PM
Joined: Nov 2016
Posts: 1,283
WI
HoosierJeeper Offline
HoosierJeeper  Offline
Joined: Nov 2016
Posts: 1,283
WI
Strut mount noises are awful! I've read lots of bad stuff about aftermarket strut/coilover shock mounts. When they went bad on my Liberty I got Mopar ones.

I'm guessing the bushing in the mount is probably torn out.


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: New Moog Quick Struts- Clunking, Banging, Creaking [Re: HoosierJeeper] #4550610
10/21/17 09:46 PM
10/21/17 09:46 PM
Joined: Oct 2002
Posts: 506
Joplin
Cressida Offline
Cressida  Offline
Joined: Oct 2002
Posts: 506
Joplin
I just had to replace a Moog quick strut because it developed a rattle in the strut mount. This was with only 15,000 miles on the strut assembly. You could feel the center strut rod move. I figured it was just a loose center nut so I tried to toque it but it was already tight, so that made no difference. As Hoosierjeeper mentioned, it may be the bushing doesn't hold up.

I suspect they cheap out on the strut mount because it's a hidden item on most of these assemblies.

Earlier I was shipped a new Moog strut assembly and the lower spring isolater was not installed properly. I think Federal Mogul's marketing department and the manufacturing plant (in China) are not on the same page (or don't speak the same language smirk ).

Re: New Moog Quick Struts- Clunking, Banging, Creaking [Re: Rock_Hudstone] #4550788
10/22/17 07:20 AM
10/22/17 07:20 AM
Joined: Mar 2008
Posts: 6,140
Michigan
ZZman Online content
ZZman  Online Content
Joined: Mar 2008
Posts: 6,140
Michigan
Are you sure the sway Bar links are tight or O.k?


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram Ultra
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
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