Suspension Squats when loaded down

ChiefTahoe · Jul 19, 2026

Hello, I have a 2002 Chevy Tahoe 4wd, which has a 2” lift along with Bilstien shocks, unknown what springs. I also have upgraded brakes from PowerStop, which are meant for lifted vehicles and for towing. I tow a 7x16ft trailer regularly picking up scrap and occasionally towing vehicles. I’ve noticed when it is loaded down it squats pretty heavily, I was wondering what I should do to help reduce the squat and unnecessary stress on my drivetrain and suspension. I’ve included some pictures of my truck, one showing the squat, front suspension, a random picture of the rear while doing repairs, and a normal picture.

Joseph Garcia · Jul 19, 2026

Welcome to the Forum from NH.

Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.

I hope that you will become a participating member in the Forum's discussions.

I think that your best bet is to get air bladders that fit inside your coil springs. If you have an air compressor at home, you could fill the bladders to level your truck, when carrying a load, and release the air, when you're not. If you want to expand your budget, you could get an onboard air compressor, and then be able to inflate/deflate the air bladders anywhere, anytime, as needed.

Marky Dissod · Jul 19, 2026

Either 'air bladders that fit inside your coil springs', as said, or, stiffer rear coils.

ReaperHWK · Jul 19, 2026

First step is find the tongue weight to see if it’s over 500lbs. If it is you need to a weight distribution hitch. Then go from there.

afpj · Jul 19, 2026

Curious, what rpo codes do you have for your suspension? What was the original suspension?

dps01 · Jul 19, 2026

Timbren Bump Stops

Got a pretty good deal on some Timbren bump stops from someone who never installed them. Installed on a 2003 Tahoe Z71. Had bump stop contact with LCA on driver side only prior to swap. Timbren are significantly taller. Size comparison (front). Installed: Need to take it for a ride...

www.tahoeyukonforum.com

Z71 rear springs, air bladders & Timbren bump stops for good measure…

Likely not all required, but had them from various projects…

Fless · Jul 19, 2026

ReaperHWK said:
First step is find the tongue weight to see if it’s over 500lbs. If it is you need to a weight distribution hitch. Then go from there.

^^^ This for starters.

ChiefTahoe · Monday at 1:33 PM

Joseph Garcia said:
Welcome to the Forum from NH.

Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.

I hope that you will become a participating member in the Forum's discussions.

I think that your best bet is to get air bladders that fit inside your coil springs. If you have an air compressor at home, you could fill the bladders to level your truck, when carrying a load, and release the air, when you're not. If you want to expand your budget, you could get an onboard air compressor, and then be able to inflate/deflate the air bladders anywhere, anytime, as needed.

Thanks for the welcome, I will definitely look into some air bladders, is there any brand that you recommend?

ChiefTahoe · Monday at 1:34 PM

ReaperHWK said:
First step is find the tongue weight to see if it’s over 500lbs. If it is you need to a weight distribution hitch. Then go from there.

How would I find out if my tongue weight is over 500lbs?

ChiefTahoe · Monday at 1:36 PM

dps01 said:
Timbren Bump Stops

Got a pretty good deal on some Timbren bump stops from someone who never installed them. Installed on a 2003 Tahoe Z71. Had bump stop contact with LCA on driver side only prior to swap. Timbren are significantly taller. Size comparison (front). Installed: Need to take it for a ride...

www.tahoeyukonforum.com

Z71 rear springs, air bladders & Timbren bump stops for good measure…

Likely not all required, but had them from various projects…

I will definitely look into some z71 rear springs and air bladders, I didn’t think about getting new bump stops since I recently replaced line lol

ChiefTahoe · Monday at 1:38 PM

afpj said:
Curious, what rpo codes do you have for your suspension? What was the original suspension?

I’m not sure what the original suspension was as when I bought it, it had already been replaced and lifted. I’m not sure what the rpo cards are, but I believe you are asking for this?

ReaperHWK · Monday at 2:08 PM

ChiefTahoe said:
How would I find out if my tongue weight is over 500lbs?

Something like this. I have something similar:

https://a.co/d/0iCXXCdG

When I load my car on a trailer I use it to dial in the tongue weight where I want it by moving the car more forward until it’s about 10-15% of the entire trailer weight.

Goldwing2000 · Tuesday at 12:12 PM

ChiefTahoe said:
I will definitely look into some air bladders, is there any brand that you recommend?

I prefer the Firestone kits over AirLift. They have better air fittings and usually have a buffer disc to protect the top of the bag.

https://www.firestoneairide.com/automotive/aftermarket/aftermarket-air-helper-spring-kits/coil-rite-kits/products/4108-coil-rite-air-springs/

swathdiver · Tuesday at 3:23 PM

Well for starters, you're squatting so bad because the truck is missing a couple hundred pounds with the front bumper removed.

The 2 inch lift also contributes to the squat.

Your truck originally came with Nivomat self-adjusting shocks out back (ZW7 paired with G65). Judging by those photos, they're long gone. If memory serves, the springs paired with the Nivomats are much softer than a Z71 or plain ZW7 setup. Those use the Dorman 81069 or something like GM 25783733 or ACDelco 45H2164/19255624.

ChiefTahoe · Tuesday at 5:14 PM

swathdiver said:
Well for starters, you're squatting so bad because the truck is missing a couple hundred pounds with the front bumper removed.

The 2 inch lift also contributes to the squat.

Your truck originally came with Nivomat self-adjusting shocks out back (ZW7 paired with G65). Judging by those photos, they're long gone. If memory serves, the springs paired with the Nivomats are much softer than a Z71 or plain ZW7 setup. Those use the Dorman 81069 or something like GM 25783733 or ACDelco 45H2164/19255624.

Yea I’m sure some of it is because of me not having my front bumper on, however even with the bumper on it still squats pretty heavily. I’m looking to get a new off-road bumper eventually, but currently I’m painting my current bumper because the trim piece after I replaced my bumper didn’t match the color of my truck. I didn’t think the lift would have any impact on my towing. Yea the old owners decided they wanted to lift the truck and change the suspension. Well it looks like I’m replacing my springs. Thanks for the advice

LsHart · Tuesday at 9:32 PM

Shocks and struts, the actual strut shock, they keep the tire on the ground and springs and coils push the vehicle up. So stiffer springs fight the sag.

Suspension Squats when loaded down

ChiefTahoe

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