Repairing spiderweb cracks on bumper
Thread Starter
Joined: May 2009
Posts: 410
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From: Petal Ms.
Car: 1990 Iroc
Engine: 6.0
Transmission: 4l65E
Axle/Gears: 373 zexel torsen
Repairing spiderweb cracks on bumper
I am in the process of painting my car. The front bumper has these spider web cracks all the way into the bumper. I have stripped all the paint off and the cracks are still there. Is there some type of epoxy the will fill these? I tried the primer over them and the came back thru the primer.
Junior Member
Joined: Jun 2011
Posts: 23
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From: greenville,il
Car: 1988 convert camaro
Engine: 305 edelbrock performer cam,intake
Transmission: 700r4 shift kit,vett servo,3,4 pack
Axle/Gears: stock
Re: Repairing spiderweb cracks on bumper
they should sand out mine did.the sand paper will sand the bumper be carefull on edges.if its from a hard hit try some bondo
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Joined: Jan 2009
Posts: 4,009
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From: Mesquite, Texas
Car: 89 rs, 86 Trans Am
Engine: RS-V6... Trans Am-LG4
Transmission: RS-T5... Trans Am 700r4
Re: Repairing spiderweb cracks on bumper
evercoat polyflex... that stuff is great on bumpers
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Joined: Mar 2011
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From: Central Texas
Car: GTA
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Aussie 9-bolt/3.27 posi
Thread Starter
Joined: May 2009
Posts: 410
Likes: 0
From: Petal Ms.
Car: 1990 Iroc
Engine: 6.0
Transmission: 4l65E
Axle/Gears: 373 zexel torsen
Re: Repairing spiderweb cracks on bumper
I sanded the cracks as much as possible, I just dont want them to show thru the new paint or reappear. I have some polyester putty is this the same as poly flex?
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Senior Member
Joined: May 2009
Posts: 744
Likes: 1
From: Conway SC
Car: 1988 Camaro
Engine: 385
Transmission: 700r4
Axle/Gears: 9 bolt
Re: Repairing spiderweb cracks on bumper
If it's got spider cracks in the bumper it's probably getting ready to disintegrate. Remember some of the Vette bumpers that fell apart? JMO
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Joined: Jun 2005
Posts: 307
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From: east peoria,il
Car: 91 z28, 07 trailblazer ss
Engine: lt1lt4 hot cam,ls2
Transmission: t56
Axle/Gears: 3.73
Re: Repairing spiderweb cracks on bumper
Do not add any filler! Terrible idea.sand all the way to bare plastic put.quality primer on them and try not to bump anything.I just did my bumpers and used all Sherwin Williams products on my car.if you put filler over them they will just come through.
Joined: Jun 2009
Posts: 832
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From: Lawrence KS
Car: 91 z28
Engine: LS1
Transmission: 4L60e
Axle/Gears: 10 bolt 3.42
Joined: Jun 2009
Posts: 832
Likes: 1
From: Lawrence KS
Car: 91 z28
Engine: LS1
Transmission: 4L60e
Axle/Gears: 10 bolt 3.42
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