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SC400 DIY Harmonic balancer spanner wrench

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Old 12-02-16, 08:02 AM
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Dfast
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Default SC400 DIY Harmonic balancer spanner wrench

Not sure where to post this. So i figured this would be the best spot.

Just completed my timing/water pump/crank/cam seal replacements.

And like others the harmonic balancer removal is a bear.

I made my own spanner wrench.
Which made the job super easy.
I'm including the file for anyone else wanting to make there own.

Material:
1/4"x 4"x12" Steel Stock
Tools Needed:
Drill Press
8mm Drill
1 1/4" Hole Saw
Angle Grinder with metal cut off disc.

Print the PDF *make sure to print it at full size.
Mount it to the steel plate using spray adhesive
Then drill the required holes and cut to shape.
For simplicity i just left mine square.

Now u can place it where ever u need,
Support it with a jack.
And break the bolt free and or install the bolt 181 ftlb.

Attached Files
File Type: pdf
SC400_Spanner_wrench.pdf (49.5 KB, 147 views)
Old 12-02-16, 09:14 AM
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gerrb
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the handle's length goes all the way under the chassis right ... can't see on the picture.

and how much will you sell one for if I ask you to make one for me ? you can pm me

btw , I need one for the SC300 dampener and not SC400
Old 12-02-16, 11:30 PM
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salimshah
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gerrb:

I think the threads and spacing on the main pulley are the same. RX 300 and SC400 are for sure the same [first hand info]. I eye balled it on GS400 and it appeared they are the same.

I made mine out of extruded aluminum [Step of a ladder].

In RX forum, a member claimed the he used a 2x4 lumber. It never occurred to me to try 2x4 wood as the three holes would have made the tool weak.

Salim
Old 12-03-16, 05:07 AM
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Dfast
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What i did was, thread in some bolts then used my caliper to measure the distance between them on center. "8mm with1.25 thread

93' SC400 was 65.5mm

I tried the 2x4 split 4 of them.
I tried a 2x6 split that as well.
I tried a 3/4in piece of plywood for the face plate then bolted a bar to it, this just twisted my bolts and i darn near snapped one off inside the balancer.

I wasted about 8hrs trying different methods, this took me 1 hr to make and works everytime.

Last edited by Dfast; 12-03-16 at 06:35 AM.
Old 12-05-16, 07:14 AM
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gerrb
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Originally Posted by salimshah
gerrb:

I think the threads and spacing on the main pulley are the same. RX 300 and SC400 are for sure the same [first hand info]. I eye balled it on GS400 and it appeared they are the same.

I made mine out of extruded aluminum [Step of a ladder].

In RX forum, a member claimed the he used a 2x4 lumber. It never occurred to me to try 2x4 wood as the three holes would have made the tool weak.

Salim
Thanks Salim for the info !
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