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#1
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Pulling Harmonic Balancer - In Car
Just curious, has anyone pulled their harmonic balancer (engine installed in car) off the crankshaft with the radiator still in place ? It looks like I can remove fan, belts and all pulleys and have enough access to get a puller in there without removing the radiator and having to open up the cooling system. If its a crazy thought tell me so…..l hate draining the rad and disconnecting my upper and lower hoses as I always seem to splash coolant all over and then I chase a phantom leak on the lower hose
64 GTO with a 1970 455 (one piece balancer with the 4 bolts that hold the retaining ring and lower pulley). Thx |
The Following User Says Thank You to 69hardtop For This Useful Post: | ||
#2
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No problem.
Stock balancers are a slip fit so you may not need to use a puller.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
The Following User Says Thank You to b-man For This Useful Post: | ||
#3
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this is one of my favorite Pontiac traits, right behind copious torque and being able to swap parts from almost any size engine onto another engine.
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1969 carousel red firebird 455, richmond 5 speed 1964 540 gto 1971 lemans sport convertible 1972 Maverick under slow construction |
The Following 3 Users Say Thank You to mysticmissle For This Useful Post: | ||
#4
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If you need to give it a starting assist just get the claws of two hammers behind it on opposite sides.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
The Following User Says Thank You to steve25 For This Useful Post: | ||
#5
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What they said works. I've never had to use a puller. Hardest is the torque to remove and install bolt.
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The Following User Says Thank You to sdbob For This Useful Post: | ||
#6
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Fulcrum points are the tops of the bolt heads on either side and not somewhere on the aluminum timing cover or the project will grow quickly.
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon. |
The Following User Says Thank You to lust4speed For This Useful Post: | ||
#7
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I have a puller made from a steering wheel puller . A couple of my balancer are kind of tight.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#8
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Pulling Harmonic Balancer - In Car
Thx everyone for the good advice. I got it off easily this morning, it was stuck initially but a couple of good tugs and off it came…..maybe a little easier than i though as I managed to bump the radiator fins at the bottom of the rad as I pulled it forward (the downside to trying to save time and not removing radiator) 🙁
Getting the bolt off was a little challenge, to get the six point socket aligned where i could pull on breaker bar with my “cheater” extension. Once I got the geometry right it broke free pretty easy Thx again for the good ideas |
#9
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Yes getting the right length extension is important. Keeping socket aligned.
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#10
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Quote:
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#11
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Yep, I bought a 15/16" deep reach socket, works great, no extension needed for this one.
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65 Tempest, 400, TH400 86 Fiero SE 2.8 |
#12
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Am curious, how did you lock the crank to prevent it from turning?
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#13
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Assuming it is an automatic car.....
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#14
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It’s a four speed…..locked it in gear, parking brake on and blocked both back tires
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The Following User Says Thank You to 69hardtop For This Useful Post: | ||
#15
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I have the same breaker bar extension!
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#16
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Years ago on my 62, I had a method of putting the breaker bar on the bolt and the bar handle wedged on the floor. Then (with the coil disconnected!) I would just tap the starter and it loosened right up (no joke). Since- on automatics, I pull down the TC cover and use the flexplate holes for a small bar to lock it in place.
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65 Tempest, 400, TH400 86 Fiero SE 2.8 |
#17
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I have my 400 on an engine stand and recently pulled the heads. As I was looking at the shortblock it occurred to me that maybe I should have taken the harmonic balancer off at some earlier point. "what to do?" I found a suitable bolt to put in the crankshaft, so that it locked against the stand and loosened the bolt.
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frittering and wasting the hours in an off hand way.... 1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core. |
#18
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I have heard about people using vicegrips on flexplate also.
I have never had to do it on an automatic car, only 4speeds. |
#19
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I actually use two sets of vice grips right beside each other on the flexplate when I'm tightening the harmonic balancer bolt back up.
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62' Lemans, Nostalgia Super Stock, 541 CI, IA2 block, billet 4.5" crank, Ross, Wide port Edelbrocks, Gustram intake, 2 4150 style BLP carbs, 2.10 Turbo 400, 9" w/4:30 gears, 8.76 @153, 3100lbs |
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