2004 Toyota Sienna Rear Suspension Diagram
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Discussion Starter · #1 ·
Hello all. I have a 2004 Sienna LE and just hit 80k and one of the rear shocks is in need of replacment asap. I see the oil and I hear a
noise coming from that area. Are there any tricks to this or is is straight forward? I have replaced shocks before on other cars with no issue.
-Rick
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Only one easy trick to put on a rubber cap on the top side of the shock absorber:
1. fold up the bottom edge of the cap;
2. put on the cap;
3. fold down the bottom edge of the cap.
The rest is simple ? one nut on the top, one bolt on the bottom.
See the attached file for detailed instructions.
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I have found the best way is to have the suspension loaded. In the PDF file it shows remove the wheel etc. If you have a set of ramps back the van on them. Then use the info on the PDF file. These are NOT high pressure shocks. When you are installing the shocks start at the top and get the rubbers in place and tighted down (slightly) and the bottom should just slip over the shaft(lub it first, silicone spray works great.. works on alot of other things too) once the bottom is tight go back and tighten down the top.
If i remember correctly. The lower bushings are not installed in the shocks, again HELLO silicon spray to the rescue!! Its not that hard to push them in(a block of wood under the hole in the shock and constant pressure from above) IF you have a vise that works the best!!!! It just pops in!!
ROB
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Discussion Starter · #4 ·
thanks you guys are awesome. I will pick them up tonight and install tomorrow after work. Where did you gets these docs for the repair manual and how much? I was looking for something like this for some upcoming maintenance.
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The pdf file I've attached is from 2005 Sienna Repair Manual I've got from "old" Sienna forum. Now I have three versions of that manual ? two archives with files and one CD image. In every version of the manual lot of HTML links are broken and sometimes the only way to find a needed document is opening several files one by one. Hadn't time to fix it yet.
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Discussion Starter · #6 ·
ok install was a breeeze and went well but I didn't get toyota parts. I got some advance auto 41.99 per job.
They didn't have the rubber cap. Just rubber bushing then washer and nut. I tightened down the nut up top and obviously just one nut under the car per shock and done. What's weird is the noise is gone and the shocks seem to be working but I have a new noise now. Left rear sounds ok but right rear sounds like a helicoptor when I am going over 50mph. I am not sure. Everything looks tight when I inspected it. I may just take the complete right rear side apart and put it back together again tonight. Anyone have any clues?
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Hmm. MAYBE the top is not tight or seated properly? Pop both trim pieces off again and see if there is a difference in the amount of threads that are showing above the top nut. Im thinking it was not seated properly and when you started driving there is play between the shock and the body plate(?) THUS when driving down the road the shock is vibrating at the top.
BEEEEEEEEEEEEEEEEEEEEEEEEEEEP
This is a guess and only a guess. In the event of a real emergency you would have been contacted. ;D
Let us know what is going on. Double check the proper placement of the bushings.
ROB
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Sounds like you have a balance problem with your right rear wheel. Check that you haven't thrown a wheel weight at some point in the past. Since you installed new shocks, the problem has become more noticeable than it was when you had a leaking shock. Also, jack up the wheel and spin it to see if the tire is out of round, or a tread is separating. Your helicopter sounds like a tire/balance problem.
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Discussion Starter · #9 ·
That exactly what the problem was but on the opposite side. I must have been distracted by one of the kids but what happened is I torqued two of the five lugnuts and and the other three were only hand tightened and must have worked themselves loose. Either way I screwed up and forgot to torque three of the five on the opposite side that I was thinking the problem was on. I torqued them down and van rides great again with no more noise.
-Rick
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Well done. Could have caused some excitement you didn't need!
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Discussion Starter · #11 ·
no doubt. definitely don't need anything else to work on. I go 80k on this van and I'm thinking about a new ride for wife and kids soon. May keep this one to go back and forth to soccer and football in since it's been a great car to have.
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Rick said:
ok install was a breeeze and went well but I didn't get toyota parts. I got some advance auto 41.99 per job.
What brand is the shock?
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Discussion Starter · #13 ·
I can't recall. Maybe Monroe. There were solid black in color if that helps. No name brand pretty much but seem fine.
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I have a 2003 Sienna with 155,000 miles and need to replace the rear shocks as well. Can anyone tell me the best way to accomplish this? Also, anyone who has had good luck with a particular shock, I have a boat that I tow, and also a hitch platform that we use to pack stuff in for long trips. Thank you, Stephen
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Go for OEM shocks. They are reliable and inexpensive (under $40 for FWD models and even cheaper for AWD at Toyota of Dallas)
The replacement is easy as written above in this thread.
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Bought mine at Advanced Auto. wish i could remember the brand, but i had the store match their online price, saved me about $50. i paid $90 for the set, and my minieke neighbor put them on for a case of beer. Best money i've ever spent.
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Just did this on my 2007 Sienna. OEM's are Monroe, just an older part number. The ones I took off were both dead, van was making noise over certain bumps and got the rolling sway over others.
I put Monroe sensatracs on from Advance - keep your receipt for the Lifetime warranty! Whole job was 1hr., with right tools, 30 min. Easy peasy to install! Now on with the transmission fluid...
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First of all, do not buy Monroe shocks, thet do not come with the upper bushing & they will not work without modifying them & using the old dust cover which has the bushing made onto it.
The OEM brand is KYB, there are 2 diffeent part #'s for the shocks, if you have an AWD or 8 passenger brand you will need part # 344480 which has a longer travel on the shock, you may also want to use this shock if you carry heavy loads. Part # 344308 is the KYB # for a FWD 7 passenger van.
http://www.toyotapartsoverstock.com/showAssembly.aspx?ukey_assembly=497923&ukey_product=4133943 this site has a good breakdown of the rear suspension parts.
Simply replacement, I just wish I hadn't wasted my time with the Monroe brand of shocks, I'm not sure how Gabriels & other brands are, but the part# on the OEM shock crosses over to KYB.
The PDF file in one of the other responses shows the replacement of shocks, but there is no need to remove the rear wheels, just need to support the suspension with a floor jack.
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I have a 2006 Sienna LE FWD. After reading m8nsman's post, I guess I should be able to replace my shock (KYB# 344308 7 passenger) with a stronger one (KYB #34480 for 8 passenger), is that correct? Do I need to modify anything to accomdate that. Thanks.
Posted by: marquismarquisnoguerae0277809.blogspot.com
Source: https://www.siennachat.com/threads/2004-sienna-rear-shocks.319/
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