Rebuilding a QA1 Circle Track Twin Tube Shock - QA1 Tech

Learn to rebuild a QA1 twin tube shock in just minutes for cleaning or replacing parts. These shocks are oil-filled and use a gas bag instead of being gas charged. Watch Marshall take apart and put back together a shock absorber that is rebuildable and revalveable.
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About QA1: Founded in 1993, QA1 specializes in providing performance shock absorbers, suspension components, carbon fiber driveshafts, rod ends, spherical bearings, springs, ball joints and more for a variety of markets, including circle track racing; drag racing; street performance; and street rodding, as well as several industrial markets. Whether you’re looking for improved ride quality, show-stopping appearance, or faster times, QA1 delivers.
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800.721.7761

[@norbertoguillen8801]

Glad to know that type of absorber shouldn't be thrown away.

[@juanfarello4676]

Really cool explanation, after watching this I have a more clear idea, in my case happened that the tube had some air and messed with the correct function of the shock. One question, should i use hydraulic fluid with more density? Now I'm using shell spirax s1.

[@munnachakra4342]

Wonderful explanation brother.I just want to know what kind of oil is used and how to rectify a base valve problem

[@eniteekpolo5360]

thanks for you explanation

[@groove.]

It's a really cool image.

[@QA1TECH]

TECH TIP: Rebuilding a twin tube shock is a little different than rebuilding a monotube. Here’s a video with Marshall showing you how.

[@greglangley4518]

When did Qa1 change from the closed cell foam pad to the gas bag? This morning, I tore down a pair of 50 series twin tube shocks that are over 20 years old that still have the foam.

[@munnachakra4342]

Can I use iso 46 grade instead of iso 32 for my twin tube front shock for my Toyota Etios 1.5 liter sedan which weighs almost one ton

[@user-uq5ks5tu1v]

I disassembled my shock this afternoon because it was leaking again. This is the third time that I would be sending it in to be rebuilt. I wanted to see what was inside it. Mine has an o-ring around the compression tube that is not shown in this video. Where does this go on the tube? It was about centered on the length of the tube. I am giving up on the coil over shocks and going back to coil springs and conventional shocks.

[@jorgeurrea2034]

Good Job, congratulation, God Bless

[@danc2014]

Was this just a clean and oil replacement? Where was the rebuild part? New valve rings G disk? What part are used for the rebuild?

[@jebuzqshaze695]

Hello, I am writing to you from Santiago de Chile and I have some adjustable gaz shocks and the liquid is lost through the stopcock, could you guide me in opening the stem. for a repair as it makes it difficult for me to send them to the factory. Greetings.

[@aserehe4349]

oil use full for twin tube sir?

[@GXKid06]

1:15 I literally only clicked this video to see what used oil looks like

[@mauriciosebastiansarmiento8533]

hello good morning , I would like to tell me as soon as aseice I must throw a damper because when I close the checkpoint exploited it. waiting for a favorable response atte greetings

[@QA1TECH]

Hi Mauricio! It would be best to contact our support team and they would be able to help you out. You can reach them at 800-721-7761 or [e-mail]. Thanks!

[@eniteekpolo5360]

did you introduce compress air as you did on the mono tube?

[@QA1TECH]

Hello. The gas bag accommodates for the volume of the piston rod in a twin tube shock, so no compressed air is required. Thanks!

[@debeerpaul]

That oil looks like Nuke from Robocop 2.

[@green1394]

thumbs up,,,but you did not tell us what type of oil to use,,,is it transmission oil?

[@AndrewLngn]

It is likely qa1 premium shock oil.

[@naderachkar1231]

great video....what type of oil we can use ?

[@AndrewLngn]

It is likely qa1 premium shock oil used in the video.

[@Summitve]

que modelo hay para Chevrolet Aveo 2006 ?

[@punto755]

What is the gas bag and what is it for ?What if you dont put it ... ?Thanks !

[@AndrewLngn]

The gas bag is there to accommodate for the displacement of the shaft as it enters and exits the shock body.

[@emmanuelvega1017]

Iso 46 oil???

[@CkB-bd4ki]

Hi. What do you use for oil? Cst? Koni Yellow

[@CkB-bd4ki]

@Lau tzu Meng meng cst...

[@chambliziOfficialChannel]

Pringles 1:56

[@pargatsinghchandi5381]

How shock oil

[@randeepbalan2901]

I have Infiniti q45 1999 . I'm working in Bahrain .infiniti Shocks not available in Bahrain. Can you repaired this

[@QA1TECH]

Hello, sorry but we do not make shocks for Infinities.

[@randeepbalan2901]

My Frd I have Infiniti q45 1999 model. My front shock oil leak. Can you Mack it repaired..........????

[@randeepbalan2901]

Plz reply me

[@QA1TECH]

@@randeepbalan2901 We have rebuilders that can help you! Find them here: www.QA1.net/dealers

[@user-nv1ru4xu3y]

Kerama mefuhi

[@mieamirrol5240]

Is there a measurement for the oil in the shock?? If is, what is the difference if we put more or less oil in the tube?? Tq

[@QA1TECH]

No there is no measurement for a twin tube shock. You don't want any air pockets in there as it would create problems with the performance of the shock.

[@mieamirrol5240]

QA1 thanks for the answer

[@AdriaanDippenaar]

if there is air in this shock then airation of oil will occur and that will lead to shock fade when the shock reaches higher tempratures.

[@saurabhkulkarni284]

Why u wrapped the inner tube with plastic bag ?

[@QA1TECH]

It's a gas bag. You will need to replace the one you took out when reassembling the shock.

[@saurabhkulkarni284]

How you feel that bag, and at what pressure and which gas? Is it (gas bag) use in mass production?

[@dingthefries]

safety glasses

[@raymondmuguna5577]

dingthefries

[@rbd104]

@J J Only if you want to reduce the posibility of getting a good squirt of oil shot into your eyes or have baby struts. The steel toe boots are good to wear at all times even when jogging a marathon in the rain.

[@vugaengineering5773]

👍👍😆

[@darshangothi195]

You are not filling nitrogen gas.

[@erpanlbo5264]

Sub

[@Martink9191]

USless video.Just dissassembles few parts and then assembles up again. Nothing really done.

[@quattro4468]

Arent these called damers? Is a shock an american term? Shock!

[@stacywilliams6677]

What the hell is a damer? This is called a shock.

[@alastaircarr8518]

@@stacywilliams6677 think he means damper

[@oliviawestwood8790]

Safety first where's your gloves glasses and proper clothes

[@Verschlimmbesserung]

He's working on a shock absorber not a nuclear bomb.

[@quattro4468]

Americans are so lame and politically correct.

[@forwarddrive4066]

olivia westwood Wow! He's not doing surgery on a body for Christ's sake.

[@tonyrico7383]

No.bad procedure