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Topic: trailing arm question

in Forum: C3 Engines, Driveline and Handling


trailing arm question

Posted: 10/9/07 4:13pm Message 1 of 19
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Oviedo, FL - USA
Joined: 9/8/2006
Posts: 267
Vette(s): 1977 t-top
 After work today I removed the pass. side trailing arm on my 77.The pivot bolt came out with just a light tap of a hammer...no rust anywhere.Now my confidence is sky high because everything on this car has come apart easily..wrong! With the whole assembly on my work bench,I removed the 1 1/16 castle nut then the spindle flange..no effort so far. I have several different instruction sheets,etc. for the spindle removal,I didn't care for the one that said"beat it till it comes off.So, I put it in my 10 ton press and this thing will not budge!Am I missing something? I see no other bolts to remove till I get inside this thing.My press has bent out of shape the hollow square end of the trailing arm a bit( end I wasn't watching),so I'll get another somewhere down the road.Anyone know If I'm doing anything wrong?  Thanks,Mikee.


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trailing arm question

Posted: 10/9/07 4:25pm Message 2 of 19
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columbia, NJ - USA
Joined: 3/14/2002
Posts: 133
Vette(s): 1964,1972,2000
Hi Mike
  When I did my rear suspension I had the trailing arms rebuilt by van steel, so I am of no help. Anybody have info for him?



trailing arm question

Posted: 10/9/07 5:39pm Message 3 of 19
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HOWELL, NJ - USA
Joined: 5/18/2004
Posts: 6812
Vette(s): 1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.
Mikee, Try calling these guys - I bought my TAs from them thru ebay. He does 100s of pairs a year and is very friendly and nice about advice:
 



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trailing arm question

Posted: 10/9/07 7:46pm Message 4 of 19
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20225
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
You really need to remove the spindle support from the t-arm!! You will definitely bend the sheet metal trailing arm if you try to press that bugger apart like that.
If your rotors are not riveted, remove them from the spindle/hub, and you'll see there are four bolts with nuts on them sticking thru the front side of the spindle support. Remove the nuts, and then separate the spindle support from the t-arm. Once you have the support off, it will be much easier to press the bearing assembly apart.
There are "special" tools made for the pressing of the spindle from the support, but I've always managed without them. Just use caution, and make sure the support is properly supported, so it doesn't snap on ya.


Joel Adams
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trailing arm question

Posted: 10/9/07 9:05pm Message 5 of 19
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visalia, CA - USA
Joined: 10/27/2006
Posts: 641
Vette(s): 1981 red with silver interior,350(L-81), 350TH, glass t-tops, aluminium rims, 1980 Black/ Black int., 350 GM crate engine/350TH, 1976 black/ saddle int., L-82 w/headers, holly carb, Hypertech ignition
Sounds like it was worth the money I spent on the reconditioned TA's ..... Old ones off!... new ones on !


trailing arm question

Posted: 10/10/07 3:59am Message 6 of 19
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Oviedo, FL - USA
Joined: 9/8/2006
Posts: 267
Vette(s): 1977 t-top
Hi Joel, Thanks for the reply,but I'm still in the dark. The rotors were removed weeks ago.Now all I see is e brake shoes.I thought that after spindle was pressed out,the four bolts for support arm got removed at that time.I don't see access to the four bolts till the spindle is removed.What am I missing?


trailing arm question

Posted: 10/10/07 5:10am Message 7 of 19
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20225
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
The bolts go all the way thru the support, and thru the t-arm. Depending on which way they were installed, the nuts will be on the t-arm side, or the spindle/hub side, but they are there. You can normally get to the nuts/bolts from the t-arm side, and the same on the spindle side. Once the nuts are off, the entire spindle support slides off of the t-arm. It may take a little penetrant to help separate the two, tho.
I may have an '"exploded" view of the assembly here somewhere, that may help with the visual aspect. I'll look, and post it this eve. I gotta head out for the dungeon now...hi-ho, hi-ho, don't cha know?



Joel Adams
C3VR Lifetime Member #56    

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trailing arm question

Posted: 10/10/07 9:57am Message 8 of 19
Former Member
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Oviedo, FL - USA
Joined: 9/8/2006
Posts: 267
Vette(s): 1977 t-top
Lukes Vet....I called "Jim" at the reccomended E Bay site.What a very nice guy to talk with.I told him I could not remove splindle with my 10 ton press,he said they get that way at times.He suggested I heat the spindle while it is in the press under pressure. It is a press fit  and nothing else is holding it in place.


trailing arm question

Posted: 10/10/07 1:08pm Message 9 of 19
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Yelm, WA - USA
Joined: 7/12/2007
Posts: 356
Vette(s): 1979 L82 4 speed Scat 383 crank 190 cc Procomp Aluminum Heads 202 160 stainless valves GM Powder metal rods Speedpro H860CP Hypereutectic pistons 280 cam hydralic HEI Pro comp 1.6 roller rockers Mighty Demon 750 Sanderson CC1AP Hedders.
Good Luck! I had mine rebuilt by the local vette shop I was all gung ho about doing it myself until I realized what a PITA it was. Not something I would want a do-over on if I screwed it up. Can you snap some pictures? 


trailing arm question

Posted: 10/10/07 3:54pm Message 10 of 19
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Oviedo, FL - USA
Joined: 9/8/2006
Posts: 267
Vette(s): 1977 t-top
79,r...I take more  pictures while I work then Hollywood! But I have never tried posting any,sorry.However let me tell you all of my progress,mistakes so others can learn.I came home today and put arm in my press with some pressure.I then put the torch down around base of spindle near inner bearing.This was after I removed the dust cover.As I heated I applied more pressure.I knew I was boogerin the threads on the spindle,but this thing has to come apart!After about 10 min. of heat and pressure this spindle broke free with a BANG,which I knew was going to happen....all is good,ALMOST.The threads on the spindle are shot and the now disassembled T/arm is bent from the pressure.So those are 2 pcs. I will have to find.Hopefully and with more caution I won't have same trouble on drivers side,which came  out very easily today


in Forum: C3 Engines, Driveline and Handling


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