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Engine & DrivetrainDiscussions about the engine and drivetrain of your vehicle.
This is a discussion thread titled "Timing belt change-How to remove pulley bolt?", within the Engine & Drivetrain forum, part of the Technical & Vehicle Assistance Forums category.
I have a 2000 Tundra I'm changing the timing belt on. I'm using a 230 ft-lb impact wrench on the main pully bolt with no affect. I have a large compressor running it and it is over rated for the wrench. The specs say the bolt is torqued with 181 ft-lbs. Any ideas on why I can't budge it? I'm dead in the water until I find a solution.
The repair manual calls to use a crankshaft pully holding tool and a flange holding tool. But I think I have read in some other threads that you can use a large breaker bar and wedge it on the frame, and then bump the starter, but I have never tried this. Do you have the campbell hausfeld impact wrench that is like $30? That is the one I have, and there has been stuff that I haven't been able to break loose with it. Mabey go to Home Depot and get you the Husky professional one that does like 500 foot pounds , i have been wanting that one for a while.
Take the flexpate inspection cover off on the trans,put a prybar in it to lock the starter ring gear. Use a long pipe on a 1/2 ratchet to break the crank bolt loose.
Leave that 230 ft/lb impact for small stuff like lugnuts
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Take the flexpate inspection cover off on the trans,put a prybar in it to lock the starter ring gear. Use a long pipe on a 1/2 ratchet to break the crank bolt loose.
Leave that 230 ft/lb impact for small stuff like lugnuts
LOL, I had to do the exact same thing on a Honda Civic to break that %$#@%!%@ loose. I tried everything including an impact wrench, breaker bar and ended up using an 8' long pipe with the breaker bar to finally get it loose.
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2006 Tundra V8 Salsa Red Pearl Dbl Cab, Limited 4x4, Leather Interior w/ Htd Captain Chairs, SRS Side Curtain Airbags, Moonroof, All weather guard, DRL's, LSD, Rear Audio, Overhead Console, Touch Screen DVD Navigation, Line-X, Husky Liners, VSE Bazooka Sub, Retrax Bed Cover.
Curiosity killed the cat but satisfaction brought him back.
To all, thanks for the suggestions. I have one to add. A friend suggested taking a piece of the serpentine belt, wrapping the pulley with it and then wrapping a chain wrench around that. Sounds like it would work, now if only I had a chain wrench...off to ebay.
Used the starter bump method to get it off when installing an under-drive pulley.... works like a charm and is SO simple to do.
Quote:
Originally Posted by gquenstedt
The repair manual calls to use a crankshaft pully holding tool and a flange holding tool. But I think I have read in some other threads that you can use a large breaker bar and wedge it on the frame, and then bump the starter, but I have never tried this. Do you have the campbell hausfeld impact wrench that is like $30? That is the one I have, and there has been stuff that I haven't been able to break loose with it. Mabey go to Home Depot and get you the Husky professional one that does like 500 foot pounds , i have been wanting that one for a while.
There all kinds of neat tricks to get the pulley bolt off. However there is only one good way to put it back on an properly torque it. That is with the proper Special Service Tools. It is very critical that you get that bolt properly torqued when you reinstall it. If not it can back out and allow the pulley to disengage from the woodruff key. This is only like a 1/4" or so and then the crank can spin inside the pulley and destroy the crank and pulley.
Make a simple tool to remove and install Harmonic Balancer center bolt. Never use a impact wrench. You will need a piece of 1/2 inch plate 5 inches square, two 3/8 inch drill bits, a length of 1" pipe. First drill two 3/8" holes in the plate 3.27" apart outside to outside. Then drill dead center between a hole large enough to clear your heavy duty 17mm socket. place the plate against the HB and insert the two 3/8" drill bits into the two 3/8" holes on the inside edge of the HB. Measure from the edge of the plate to the frame for the handle. Remove the plate make a 1/2" slit in the pipe and cut it off the proper length so it will rest on the frame. weld the pipe handle to the plate. reinstall the plate with the two 3/8" drill bits. Easily loosen or tighten center bolt with a breaker bar and torque wrench. Note: will not work with 1/4" plate must be 1/2" or larger.
Harbor Frieght sells a chain wrench for $20. It will hold the pulley still while you loosen or tighten the pulley nut. Wrap an old piece of timing belt around the crank pulley, then attach the chain wrench. The old belt will protect the pulley from marring by the chain of the chain wrench.
Harborfreight is selling them for $9.99 right now.
__________________ 2002 Tundra AC 4x4 Off Road Package - Revtek coil lift with Wheeler's 1.5" AAL. Superlift Truspeed Recalibration unit. Flomaster dual exhaust. Husky floor liners. Hellwig anti sway bar. Xmas Gift 2006 - 3" Perf. Accessories body lift and Gap guards - Installed 1/6/07! New tires in March 2007 - BFG AT 30570r16 on MT Classic IIs. Total Chaos steering bushing kit. Front swaybar bushing kit from Wheelers Offroad. Stubbie 21" antenna. Underdrive pulley installed with NAPA belt. Timing chain replacement and brake job are next!
There should be two threaded holes on the crank pulley to mount a similar SST. I recently did a camry and used a home fabbed tool to remove and reinstall the crank pulley within toque spec. Had a 3 foot long flat steel bar about 1/4" thick. On one end I drilled two small holes that match the distance of the two thread holes on the crank pully. Then drilled a larger hole between the smaller holes to allow for an impact socket. Mounted the the flat bar using metric bolts. With an 18" breaker and 25mm (IIRC) impact socket, I set the handle of the breaker bar against the ground and turned the flat bar to loosen the bolt. Worked like a charm. I then kept the bolt on with a few threads and used a 2 arm gear puller to remove the pulley. Install was similar but, I pulled on the torque wrench to get the bolt to 180ft lbs.
Here's the pic of the one I used. However, the holes on there didn't match the camry V6. I removed the boot on the other end and drilled my own holes to match.
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Timing belt change-How to remove pulley bolt?
, i have been wanting that one for a while.
2002 Tundra AC 4x4 Off Road Package - Revtek coil lift with Wheeler's 1.5" AAL. Superlift Truspeed Recalibration unit. Flomaster dual exhaust. Husky floor liners. Hellwig anti sway bar. Xmas Gift 2006 - 3" Perf. Accessories body lift and Gap guards - Installed 1/6/07! New tires in March 2007 - BFG AT 30570r16 on MT Classic IIs. Total Chaos steering bushing kit. Front swaybar bushing kit from Wheelers Offroad. Stubbie 21" antenna. Underdrive pulley installed with NAPA belt. Timing chain replacement and brake job are next!
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