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#1 |
Registered User
Join Date: Jul 2000
Location: Victoria,BC, Canada
Posts: 1,300
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None of my three chevy truck books covers flexplate or flywheel removal, so I assumed it would be simple. Dammned if I can remove the one on my 307. After removing all the bolts it will move sideways but not off the crank shaft. Is there a trick to it? I retreated rather than risk damaging it but I needs to come off tomorrow. The original service manual instructions are "remove flywheel" lol
Maybe there's a puller?
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71 GMC 1500 LWB |
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#2 |
Resident Curmudgeon
![]() Join Date: Dec 1999
Location: NH
Posts: 6,664
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It's a tight fit but should come off without undue force. No puller needed that I'm aware of.
------------------ Jeff Jesseman Cheyenne Parts Northeast Franconia, NH 67 Chevy SWB Fleetside 70 GMC Burb 1/2 ton 2wd 72 Chevy Burb 3/4 ton 4x4 Parts bought and sold
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Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter ![]() Maybe I need to sell some of this crap ![]() Yet another Bozo with a sawz-all |
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#3 |
Account Suspended
Join Date: May 2000
Location: IL
Posts: 0
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pull harder, just dont get hurt. sometimes flywheels are on pretty tight or hard ot reinstall, but flexplates always are easy
------------------ Randy- Lincoln, IL randy@ccaonline.com 2177353230 *many GM parts bought, traded, or sold -am parting out: '81 Cutlass Supreme Brougham current fleet: -71 C-10 350/CH465/3.07- basketcase, #1 -90 Cavalier 2.2L sky blue, a driver -84 Z28 5.0L/700R4/3.73 daily driver -84 Firebird/SE 2.8L/T-5/3.73/engine bad, project #2 -82 purple Trans Am, project #3 *Paint is overrated* © RSS Enterprises 2000 |
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#4 |
Recovering Truck Driver
Join Date: Mar 2002
Location: Orleans, NE USA
Posts: 1,883
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flexplates are a pretty snug fit, you just have to wiggle and pull at the same time and they usually come off pretty easy, sometimes, if there is a rust ring around the flexplate on the crankshaft, you have to uses some emery cloth and sand the rust off. I have had them stuck tight enough i couldn't wiggle them at all, just whap it with a dead blow hammer or a bfh and a wood block, it will come off sooner or later, don't use a prybar or something on it or you will take a chance of bending it.
------------------ Ol' Buck: '72 Chevy 1/2T 4x4 shortbox stepside 350/350auto on '84 ralleys and 31/10.5s Angel girl: 67 Cutlass convertible 330, 3spd stick Greener: 90 GMC Jimmy 350/auto Chad Stephens Orleans,NE no name yet: 72 442 under serious construction my site: http://communities.msn.com/Beastonabudget/homepage
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67 K-20 350, SM465, Eaton rear, 4.56 no spin option 00 Dodge 2500 4x4, 24V cummins, 5 speed Chad South Central Nebraska |
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#5 |
Senior Member
Join Date: Dec 2001
Location: Redding,CA...USA
Posts: 4,736
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try some liquid wrench or wd40 to free up the rust
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It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F*&K!!!", they'd have to keep the magazines under the counter with the other men's publications click the clicky to join the site.... http://67-72chevytrucks.com/vboard/payments.php 67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44 Anderson,CA |
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#6 |
CCRider
Join Date: Feb 2000
Location: Olive Branch,MS,USA
Posts: 2,232
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I think Ol'buck has the correct answer for your problem. I think you will find rust is the problem and sandpaper is the answer. Just keep sanding the center part that sticks thru the flexplate till it is nice and shiney, then it should pull right off.
------------------ 72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS
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72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS |
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#7 |
Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,721
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I agree with the other guys. I'd try a wire brush on an electric drill to clean the end of the crank where the flexplate pilots, followed by some WD40. Then wedge a piece of wood on one side under the flexplate and pry from the opposite side levering the flexplate against the wood and it should pop right off.
------------------ 70 GMC 3/4 ton Sierra Grande 402/TH400 72 Jimmy 4WD 4spd 4" & 35's 64 Corvette Coupe 68 Camaro 'vert TPI & TH700 69 Z/28 355 12.6's @110 72 Datsun 240Z-ol' reliable
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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#8 |
Registered User
Join Date: Aug 2001
Location: rock island,il,usa
Posts: 5,382
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Just remember that as already posted,it is very easy to damage a flex plate.......I think I would clean the rust ring,& shoot a little "goose juice" on the crank,then try to wiggle it off..........69longhorn.
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#9 |
Registered User
Join Date: Jul 2000
Location: Victoria,BC, Canada
Posts: 1,300
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Thanks for all the good tips. Wire-brushed, sanded and lubed and it eventually worked off by hand. A great spring day to be out working on it too.
------------------ 71 GMC 2500 Custom Camper 71 GMC Suburban 1500 Super Custom 71 Chevrolet 1500 Donor http://www.able-bravo.com
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71 GMC 1500 LWB |
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