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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Class IV Hitch Question.

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Old March 7th, 2010, 7:32 AM
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Default Class IV Hitch Question.

So, I bought a used Class IV hitch, with all the hardware, but do I have to drop the gas tank to get it mounted? There are 3 bolts on each side.
The two bolts closest to the rear bumper are easy, but the two bolts that are closer to the axle on each side are welded to a plate. Is this normal?

I can take pics if need be. To clarify, I have 2 loose bolts and 2 sets of a plate with threads welded to it (that fit in the other two holes) Make sense?
Old March 7th, 2010, 8:09 AM
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Here's a picture to help explain.
Attached Thumbnails Class IV Hitch Question.-suburban-148.jpg   Class IV Hitch Question.-suburban-149.jpg   Class IV Hitch Question.-suburban-150.jpg   Class IV Hitch Question.-suburban-151.jpg  
Old March 7th, 2010, 8:49 AM
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i'd take it to a welding place and have them weld it on. on all of our vehicals they are welded. it might like $50 to weld it but atleast u dont have to worry about 4 bolts being able to hold whatever your towing.

Last edited by gotstylez; March 7th, 2010 at 8:52 AM.
Old March 7th, 2010, 9:35 AM
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I can weld, but I don't really want to weld this on. I've have always bolted my hitches on and never had a problem with them holding up.
Old March 7th, 2010, 11:00 AM
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When I have had plates like that on previous vehicles, I had to fish them into the framerail with wire from the end. I believe it makes the connection stronger on the back two bolts. I would go to etrailer.com and lookup the installation instructions for a similar hitch to yours.
Old March 8th, 2010, 7:20 AM
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Well, I got it on....finally. The bolts on the right side of the vehicle were slid through the end of the chassis frame, and then I used an extending magnet rod to get it into proper position. The one on the driver's side might have been a little more difficult since there is a wire loom in that rail, but I realized that the previous owner left the same bolts in the rail (he had a hitch before, but I guess he couldn't get the bolts back out of the rail).
I used my magnet to flip them to the correct position, and they dropped in perfectly.
Jacked the hitch up and got to bolting it down. Ran to the store and bought a wiring kit that plugs into the wiring harness ($15) and I'm good to go.

Thanks for the link vester, it helped also.
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