Pitted rust spots... - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Telecasterjoey · 02-05-2011, 11:39 AM

Hey, so I'm prepping my truck for paint and I've got a few pitted rust spots. What do people normally do with them? The metal is not rotten but it has maybe 1/16" pitted marks on the hood and lower fenders. Do I have to replace them? I can have pics up soon....
Thanks a lot!
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ont_guy_38 · 02-05-2011, 01:39 PM

If it's not that bad you can clean all the rust with a good wire brush on a drill

ironroad9c1 · 02-05-2011, 02:06 PM

Naval jelly .....

Telecasterjoey · 02-05-2011, 02:07 PM

That's what I've done. Im assuming I'll just bondo over the indents. Just hoping that the bondo won't fall out of the indents. If im paying for a good paint job I don't want these spots screwing up! I guess ill just see what happens. If anyone else has encountered this or fixed this problem please chime in!!
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ont_guy_38 · 02-05-2011, 02:47 PM

If it is clean it won't ...pictures would help alot when you have a chance to post them

Telecasterjoey · 02-05-2011, 03:43 PM

Thanks ont_guy! thats the answer I was looking for. I'll Get some pics up tonight. Also do you know the paint code for your truck? Mine was origonally that colour, But I cant make out the options list.

Telecasterjoey · 02-05-2011, 03:49 PM

Here's a pic of the hood not a close up but gives you an idea... The little bit of rust on the front edge has little pit marks.

ont_guy_38 · 02-05-2011, 03:58 PM

You will be ok with that...like i said make sure you have the rust off and clean. My self i would use two part putty for that not bondo . Ideally you should epoxy primer it first but that's out of the question for alot of do it yourselfers . Is that all the snow you have in Ottawa?

Telecasterjoey · 02-05-2011, 04:17 PM

that pic was from october lol. Here's a pic from last night.

ont_guy_38 · 02-05-2011, 04:33 PM

oh ok was about ready to pack up and move...lol

Telecasterjoey · 02-05-2011, 04:36 PM

Ha ha Where abouts are you? Did you get hit by the "storm" lol

ont_guy_38 · 02-05-2011, 04:46 PM

I'm near London...ya we got the storm but no where near what they thought but it's snowing again right now...frigging stuff

Telecasterjoey · 02-05-2011, 04:49 PM

Yup cant wait till its gone!

skip99 · 02-08-2011, 09:55 AM

you have to kill the rust or it will cause problems, especially if it reacted with any road salts. you can get away with just covering it UNLESS you plan on buffing the paint... if you buff , the heat will cause a reaction and those little filled spots will pop, almost like solvent pop..
so.....naval jelly or phos acid, or Picklex 20,

Myself · 02-09-2011, 05:32 PM

I had a whole hood that was pitted pretty bad. After stripping and some bead blasting I just ran some filler over the entire hood. Use your spreader like a squeegee, you want the filler into the pits but thats all. After a good coat of epoxy primer the hood looked perfect. The hood stayed in epoxy primer out in the weather for the next 2 years with no problems at all.

02-05-2011, 11:39 AM	#1
Telecasterjoey Registered User Join Date: Nov 2010 Location: Ottawa ON Posts: 514	Pitted rust spots... Hey, so I'm prepping my truck for paint and I've got a few pitted rust spots. What do people normally do with them? The metal is not rotten but it has maybe 1/16" pitted marks on the hood and lower fenders. Do I have to replace them? I can have pics up soon.... Thanks a lot! Posted via Mobile Device

02-05-2011, 01:39 PM	#2
ont_guy_38 Registered User Join Date: Jul 2007 Location: Ontario Canada Posts: 1,006	Re: Pitted rust spots... If it's not that bad you can clean all the rust with a good wire brush on a drill

02-05-2011, 02:06 PM	#3
ironroad9c1 Master Hater Join Date: Apr 2006 Location: Temple,Tx. Posts: 402	Re: Pitted rust spots... Naval jelly ..... __________________ 1997 C1500 ECSB 4.3/NV3500 8.5 3.42 "This evening, all of you bleeding hearts... why don't just go ahead and hug yourself for the next 20 minutes or so, because there's a really good chance you're gonna be offended".- Captain Owen Honors

02-05-2011, 02:07 PM	#4
Telecasterjoey Registered User Join Date: Nov 2010 Location: Ottawa ON Posts: 514	Re: Pitted rust spots... That's what I've done. Im assuming I'll just bondo over the indents. Just hoping that the bondo won't fall out of the indents. If im paying for a good paint job I don't want these spots screwing up! I guess ill just see what happens. If anyone else has encountered this or fixed this problem please chime in!! Posted via Mobile Device

02-05-2011, 02:47 PM	#5
ont_guy_38 Registered User Join Date: Jul 2007 Location: Ontario Canada Posts: 1,006	Re: Pitted rust spots... If it is clean it won't ...pictures would help alot when you have a chance to post them

02-05-2011, 03:43 PM	#6
Telecasterjoey Registered User Join Date: Nov 2010 Location: Ottawa ON Posts: 514	Re: Pitted rust spots... Thanks ont_guy! thats the answer I was looking for. I'll Get some pics up tonight. Also do you know the paint code for your truck? Mine was origonally that colour, But I cant make out the options list.

02-05-2011, 03:49 PM	#7
Telecasterjoey Registered User Join Date: Nov 2010 Location: Ottawa ON Posts: 514	Re: Pitted rust spots... Here's a pic of the hood not a close up but gives you an idea... The little bit of rust on the front edge has little pit marks. Attached Images

02-05-2011, 03:58 PM	#8
ont_guy_38 Registered User Join Date: Jul 2007 Location: Ontario Canada Posts: 1,006	Re: Pitted rust spots... You will be ok with that...like i said make sure you have the rust off and clean. My self i would use two part putty for that not bondo . Ideally you should epoxy primer it first but that's out of the question for alot of do it yourselfers . Is that all the snow you have in Ottawa? Last edited by ont_guy_38; 02-05-2011 at 04:00 PM. Reason: addition

02-05-2011, 04:17 PM	#9
Telecasterjoey Registered User Join Date: Nov 2010 Location: Ottawa ON Posts: 514	Re: Pitted rust spots... that pic was from october lol. Here's a pic from last night. Attached Images

02-05-2011, 04:33 PM	#10
ont_guy_38 Registered User Join Date: Jul 2007 Location: Ontario Canada Posts: 1,006	Re: Pitted rust spots... oh ok was about ready to pack up and move...lol

02-05-2011, 04:36 PM	#11
Telecasterjoey Registered User Join Date: Nov 2010 Location: Ottawa ON Posts: 514	Re: Pitted rust spots... Ha ha Where abouts are you? Did you get hit by the "storm" lol

02-05-2011, 04:46 PM	#12
ont_guy_38 Registered User Join Date: Jul 2007 Location: Ontario Canada Posts: 1,006	Re: Pitted rust spots... I'm near London...ya we got the storm but no where near what they thought but it's snowing again right now...frigging stuff

02-05-2011, 04:49 PM	#13
Telecasterjoey Registered User Join Date: Nov 2010 Location: Ottawa ON Posts: 514	Re: Pitted rust spots... Yup cant wait till its gone!

02-08-2011, 09:55 AM	#14
skip99 Registered User Join Date: Oct 2010 Location: mt vernon, oh Posts: 868	Re: Pitted rust spots... you have to kill the rust or it will cause problems, especially if it reacted with any road salts. you can get away with just covering it UNLESS you plan on buffing the paint... if you buff , the heat will cause a reaction and those little filled spots will pop, almost like solvent pop.. so.....naval jelly or phos acid, or Picklex 20,

02-09-2011, 05:32 PM	#15
Myself Registered User Join Date: Oct 2005 Location: Northern Arkansas Posts: 1,142	Re: Pitted rust spots... I had a whole hood that was pitted pretty bad. After stripping and some bead blasting I just ran some filler over the entire hood. Use your spreader like a squeegee, you want the filler into the pits but thats all. After a good coat of epoxy primer the hood looked perfect. The hood stayed in epoxy primer out in the weather for the next 2 years with no problems at all.



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