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52" – Flex Air 52” and 54” – Low & Low-Low Air Leaf. 60” Low Air Leaf Only (Note 2) 52”. 54”, 60" (note 2) NA. - 72” with 100% Class A, wheelbase 200" or greater, 42,100 lb rating and Canadian service.Typically you should have 34” - 34 1/4” of ride height from the bottom of the frame to flat level ground. Peterbuilt would have an exact spec but it usually only varies by .5 inches or less. Ask Your Own Medium and Heavy Trucks Question. Ok thank you very much! No problem, good luck and safe travels driver.361 posts · Joined 2003. #1 · Jun 12, 2005. Yesterday I replaced both leaf springs with the 4 leaf Z28 springs. Used a new mounting kit including shackles, rubbers, U-bolts. I left the shackle bolts loose, set the car back on 4 wheels, rocked it several times, and now the driver side tire is even CLOSER to the wheel well.Air Trac 11.38" or 289 mm uladen and 11.00" or 279 mm laden. Low Low Air Leaf 6.75" or 171 mm uladen and 6.5" or 165 laden. To check your air ride hight you need to measure the distance between the bottom of your frame rail to the center of your drive axle. I think 359 air ride height will be the same as 379 if suspensions are same.2015 peterbilt 367 straight truck with dump bed rear suspension leans to left rear bad. new Leaf springs on all 4 and all 4 airbags replace leveling. SteveR. Shop Manager. High school. 28 satisfied customers. I have a 1990 379 peterbilt day cab. It originally had a 5th. I have a 1990 379 peterbilt day cab .Leaf blowers are best used to clean up ... leaves. You should be cleaning your dryer vent about once a year, and while it can be a slightly inconvenient task, it’s important to kno...Description. This air suspension has a maximum capacity rating of 46,000 pounds. It features lower radius rods that strengthen and stabilize the suspension but tend to cause a rougher ride quality than the Air Leaf or Low Mount Air Leaf.Proprietary Rear Air Suspension Ride Height [inches (mm)] Single Drive Tandem Drive Air Leaf N/A 11.70 (297) Air Trac 11.00 (279) 11.00 (279) Low Air Leaf (before 4/5/04) 8.50 (216) 8.50 (216) Low Air Leaf (on and after 4/5/04) 6.50 (165) 8.50 (216) Low Low Air Leaf N/A 6.50 (165) FLEX Air N/A 8.50 (216)What is low air suspension on a peterbilt semi? Low air suspension refers to the fifth wheel height from the ground. The suspension system (low air leaf) is a suspension system with a lower ride ...Meritor M85069 AllFit Shock Absorber, Peterbilt Low Air Leaf & Kenworth AG400L. Part# 320-85069. $77.32 USD Not Yet Rated. Hendrickson Height Control Valve with Integral …If your suspension is Air Leaf it will have Air Leaf embossed on the spring hanger bracket. ... Are you running the fat tires on the steers? 11" on the ride height would be correct on Air Trac. bender, Sep 2, 2012. bender, Sep 2, 2012 #7. Sep 2, 2012 #8. bender Road Train Member. 2,105 1,348. Jul 20, 2010Feb 6, 2014 · 2018 international prostar…. Last 8 of vin HN524194… can't find anywhere to find ride height…. Even international shops having issues…. It has a set up like air leaf from Peterbilt but it's not a Pete … read more 1. Alter your vehicle's leaf springs. Leaf springs consists of thin strips of spring steel banded and bolted together. 2. Remove the leaf springs from the rear suspension of the vehicle. Take them to a spring shop and have them de-arched, or use a reverse shackle. Another option is reversing the set up by placing the axle on top of the …• Ride height compatible with Low Air Leaf and FlexAir rear suspensions; • Suspension weight capacity ratings from 12,000 to 13,200 pounds; • Compatible with air disc or drum brakes;Feb 11, 2010 · It appears you have Air -Trac and not air leaf. The ride height needs to be measured from axle center to the bottom of the frame. If set on level ground your bag height should be the same from front to rear drive and be close to the same height. My first thought is you are set too low. Should be 10.5 unladen. riDe HeiGHT Figure 6: Ride Height Ride height (Figure 6) is measured from the suspension mounting surface to the center of the axle All Hendrickson air suspensions are designed to operate at a specific ride height Care must be taken to ensure the correct loaded suspension ride height is maintained while the trailer is in use To determineDescription. This air suspension has a maximum capacity rating of 46,000 pounds. It features lower radius rods that strengthen and stabilize the suspension but tend to cause a rougher ride quality than the Air Leaf or Low Mount Air Leaf. 52”. 54”, 60" (note 2) NA. - 72” with 100% Class A, wheelbase 200" or greater, 42,100 lb rating and Canadian service. Notes: Logger, chip hauler, and oilfield wire line services require the Air Trac rated at 44,000 lbs or higher. The axle spacings of 54" and 60" are optional on Low Air Leaf Tandem suspensions only. The spongy layer of a leaf features small air spaces between cells that allow for the exchange of gases in photosynthesis. Together with the palisade, the spongy layer makes up the...3. Change the Leaf Springs. Replace the old thick spring leaf with a new and light one. We would suggest going for a pack of many thin leaves instead of a pack of a few thin leaves. A pack of many thin leaves ensures that each thin leaf has a lower spring rate which makes your ride smoother. On the other hand, a pack of a few thin leaves is ...Leaf spring vs. air ride suspension for your heavy-duty truck? Learn the pros & cons of each to choose the best fit for your needs (ride quality, budget, weight) & applications.Feb 11, 2011 · I'd go with the Air leaf; it rides nice and high and walks throug uneven terain well. low leaf sways too much and bottoms out alot (if you are north of 112k any way) air trac is great, but doesn't quite ride as nice as the air leaf; it DOES however -perform better off road. my 2 cents worth. jr-transport, May 23, 2011. #2. MPB75728 Peterbilt Air Leaf Spring Hanger, OEM# 03-07328M001. Part# 052-MPB75728 . $341.95 USD Not Yet Rated ... Delayed Response Height Control Valve. Part# 270-E9623 . $99.72 USD Not Yet Rated ... Air Leaf; New Low Air Leaf (2003+) Low Air Leaf (to 2003) Air Trac; FlexAir; Height Control Valves;Freightliner Service Bulletin, 04/26/2017Page 1. CANCELED. •Do not overtighten the bolts in the Barksdale height-control valve housing if you detect leaks in the housing. The bolts should not be loose, and should not require tightening. Only if necessary, tighten the valve housing bolts 45 lbf·in (500 N·cm).

Low Mount Air Ride Suspension Bushing Kit | Peterbilt. Peterbilt Low Air Leaf Bushing Kit for 3 1/2 in. wide spring. Includes: 1) Rubber Bushing Kit Replacing OEM # 03AL2 - Dayton 334-814 - Flagg PB44. Kit includes: (1) LN107 - Flanged lock nut. (1) M5230 - Spring bolt. (2) TRB5904 - Spring eye bushing. (2) MPB10 - Compression washer. Air suspension reduces the tendency of short wheelbase trucks to bounce over rougher roads and terrain when the vehicle is empty. Air suspension improves the ride height based on the load weight ... Posted 9/27/2011 16:45 (#1981087 - in reply to #1981058) Subject: Re: Peterbilt 379 Day Cab Air Ride. LOW AIR LEAF IS 15.5 FROM THE BOTTOM OF THE FRAME TO THE BOTTOM OF THE AIR BAG BELL BASE. MEASURE BOTH THE FRT AND REAR DRIVER ON EITHER THE R/H OR L/H SIDE AND ADJUSTED THE RIDE HEIGHT TIL IT …Leaf blowers are best used to clean up ... leaves. You should be cleaning your dryer vent about once a year, and while it can be a slightly inconvenient task, it’s important to kno...MPB75728 Peterbilt Air Leaf Spring Hanger, OEM# 03-07328M001. Part# 052-MPB75728 . $341.95 USD Not Yet Rated ... Delayed Response Height Control Valve. Part# 270-E9623 . $99.72 USD Not Yet Rated ... Air Leaf; New Low Air Leaf (2003+) Low Air Leaf (to 2003) Air Trac; FlexAir; Height Control Valves;

Hi I have a 2004 379 with a 63in stand up with low air leaf suspension about 6 months ago it developed this terrible bounce or shutter while going over bumps it is only while hitting a bump like a lip of a bridge or pot hole will not do it on smooth road it is way worse bobtailing literally feels like the cab is gonna bounce of the frame put a trailer and load on it still does it but feels ...A simple way to test the springs and ride height. See the service manual for you year of car to determine the correct location to measure make height measurement. Measure the ride height at the base of frame front and rear and from side to side on the 63 - 67. Spring rates: Sling a 100 # bag of sand to each bumper and re measure the ride height.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Posts: 2,394. British Columbia. Yes, the factory has the ground . Possible cause: AIR SPRING AS80500 $ 155.09 Add to cart; SPRING-AIR LOW AIR LEAF 03-078.