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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

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Old 07-23-2006, 03:13 PM   #1
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Best way to remove old engine gasket material?

Pulling my 4 cylinder engine apart on the 89 4runner, and was wondering what the experts use to remove the old engine gasket material?

Thanks.

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Old 07-23-2006, 03:18 PM   #2
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I use an air rotary tool with a soft wire spinning brush to remove it. Does not scar the surface and cleans it pretty well. Has to be soft enough that you could take your thumb or finger and rub across the wires and it won't hurt.

Don't try to use a Dremel, you need like an air tool or something that is a little larger.

EDIT: Oh yeah, spray the finished surface with some brake cleaner to clean off any kind of gasket particles or oil residue.
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Old 07-23-2006, 04:06 PM   #3
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i always used a gasket scraper, which is a razor blade with a screw driver handle.

maybe that was wrong, but always worked for me, just be really really careful not to gouge the surfaces. just go real slow and easy, also soak any material that is hard stuck on with brake cleaner or the like.
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Old 07-23-2006, 04:07 PM   #4
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when you are done getting it off, use acetone to get it absolutely clean
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Old 07-23-2006, 04:28 PM   #5
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they make rubber gasket scrapers and sanding wheels for soft metal
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Old 07-23-2006, 05:55 PM   #6
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I wonder if it would be easier to get at everything if I pull the engine. I'm replacing everything in it. Should just pull it.



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Old 07-23-2006, 06:04 PM   #7
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Here's the hog we're working (still) on:



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Old 07-23-2006, 07:16 PM   #8
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That thing looks really nice. I can't wait to get mine back on the road.
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Old 07-27-2006, 04:08 PM   #9
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I use gasket remover. It comes in a spray can. It really works to loosen and disolve stubborn gasket material.
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Old 07-27-2006, 06:33 PM   #10
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an old pro showed me how to hold a razor blade at a 90 degree angle and scrape back and forth. works great and doesn't gouge the surface.
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Old 07-27-2006, 06:54 PM   #11
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Like stated before. The easiest, and quickest way is to use some 3m light abrasive pads or ro-loc discs and put them in a 1/4" air grinder. BAM, quick work and it turns out perfect every time. I do it everyday at the dealership I work at. If you don't have air tools well......the razorblade is really a pain in the butt, but it works.
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Old 07-27-2006, 06:57 PM   #12
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I've been working on cars and bikes for more than 30 yrs and what I, have always used is a wire brush on a cordless drill followed by carb cleaner or brake cleaner. I, can clean a complete engine in aproximately an hour.
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Old 07-27-2006, 07:18 PM   #13
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Razor blade to get the big chunks off, then a whetstone with some solvent as lube. Gets you a nice shiny metal surface.
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Old 07-27-2006, 07:36 PM   #14
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This place is such a mountain of knowledge! Thanks again.

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Old 07-27-2006, 09:04 PM   #15
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That truck looks like it just rolled off the dealer's floor. wow.
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Old 07-27-2006, 09:54 PM   #16
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Here,here on the 3M pads & angle grinder!
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Old 07-27-2006, 10:24 PM   #17
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Quote:
Originally Posted by rngrchad
Like stated before. The easiest, and quickest way is to use some 3m light abrasive pads or ro-loc discs and put them in a 1/4" air grinder. BAM, quick work and it turns out perfect every time. I do it everyday at the dealership I work at. If you don't have air tools well......the razorblade is really a pain in the butt, but it works.
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Old 07-27-2006, 11:22 PM   #18
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i use a hardened steel gasket scraper. sort of like a chisel with a long handle, but the edge is very sharp. it's nice because it doesn't flex and catch on water passages and imperfections like a regular razorblade scraper.
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Old 07-28-2006, 03:53 AM   #19
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Quote:
Originally Posted by all_terrain17
That truck looks like it just rolled off the dealer's floor. wow.

It's amazing how things have gotten out of control with this truck. It ran good, however, the engine was loud. Camshaft was bad. Evidently the previous owner used it to tow his Airstream trailer or something.

So it goes from "just replacing the camshaft" to "let's pull the engine and rebuild it".

I really want to do the engine "right", since there is zero rust on this truck anywhere.

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Old 07-31-2006, 08:55 AM   #20
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Cookies
gotta love those 3m cookies, however they don't taste so good......
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Old 07-31-2006, 08:55 AM
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