If you have 379 Pete with Low air leaf or Flex air suspension your laden ride height is 8.5" or 216 mm and uladen air ride height is 8.75" or 222 mm. Air Leaf 12" or 305mm unladen and 11.70" or 297 mm laden. 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 …by Today's Trucking August 1, 2014. Peterbilt says its new proprietary “FLEX Air” tandem air suspension has the lowest installed weight of any comparable suspension-400 pounds less than Pete’s own Low Air Leaf. Rated at 38,000 pounds, the suspension uses a weight-efficient structure consisting of a very stiff, lightweight aluminum beam ...Oct 24, 2012 · I've been battling the same deal with a 2000 379 with supposedly low air leaf. With the ride height set at; empty, bobtail, brakes released, and measured out to 8.75 from the bottom of frame rail at a point in front of the rear drive to the center of the axle. Center axle height was derived b Subject: Image Created Date: 20090616111528-0600Nov 22, 2016 · Air trac ride height is 11.00 inches centerline of the axle to the bottom of the frame, average between axles should be within 1/2 in. Check to make sure that your tires are inflated equally and that you axle cross locks are fully disengaging. also make sure that your driveshafts are in phase, ie yolks on the same plane. Blocks for leaf springs to adjust their ride height (up or down) the leaf spring suspension has not been raised by any other means, and; the leaf spring blocks are: securely fitted, and; constructed from metal, and; designed for the purpose, and; firmly seated over not less than the O.E. seat area, and; not more than 50mm in height, andThe listed height spec is more of a guide of where to start at. To do it correctly, driveline angles need to be taken and punched into a corresponding program such as Eatons Driveline Angle Analyzer. Low air leaf would typically be looking for angles like 1.6 front diff, 6 interaxle, 11 rear axle.Ride Height Differences. Temporary vs. permanent ride height changes are part of the air spring vs. add-a-leaf debate as well. A typical add-a-leaf kit will add roughly 1-to-2-inches of unchangeable rear ride height to an empty truck. This is in contrast to an air spring system, where ride height is unaffected until the springs are inflated.Nov 22, 2016 · Air trac ride height is 11.00 inches centerline of the axle to the bottom of the frame, average between axles should be within 1/2 in. Check to make sure that your tires are inflated equally and that you axle cross locks are fully disengaging. also make sure that your driveshafts are in phase, ie yolks on the same plane. "Air taxis could make a trip go from taking six hours on the highway to a quick, no-hassles plane ride. Find out how the air-taxi system will operate." Advertisement In the world o...Changes in the diameter of the wheel and tyre combination of up to +/- 7% of the largest size specified by the vehicle manufacturer. Modifications to the ride height up to 75mm that incorporate a maximum change in the suspension of 50mm, and/or an increase in the diameter of the wheel and tyre combination of up to 50mm.Aug 14, 2023 · Air Trac; The Air Trac is a Leaf Spring + Air Spring combination that features a Lower Radius Rod in parallel to the spring. The radius rod provision strengthens and stabilizes the suspension vertical alignment. The Lateral Torque Rod stabilizes lateral axle movement. Air Leaf with Tracking Rods; Low and Low-Low Air Leaf Tandem (built April ... In this video our mechanic demonstrates how to adjust the ride height on a Hendrickson Air Ride Suspension. For more information or to contact our service d...You use that number to get the correct height. Per Navistar, that vehicle should have a 11.5" ride height for standard leaf and 8.75" for low leaf. 1. Determine the vehicle’s correct suspension ride height for …Pressurize the Air System: With a consistent air supply exceeding 70 PSI (4.8 bars), make sure all air springs inflate properly, raising the suspension to the right ride height. Measure the Frame Height: At the axle where the height control valve is located, measure the distance from the bottom of the frame rail to the ground.Need to know the cab air bag height, and the rear suspension height (air bags) on a 2012 Peterbilt vin number 145470 it has Peterbilt low air leaf suspension and truck is a 386 model … read more Nich M.ISO 8 cleanrooms are designed to maintain a controlled environment with low levels of airborne contaminants. These controlled environments are crucial in industries such as pharmac...They can print this info off it'll be 3 or 4 pages explaining how to set the ride height. You can do it yourself in about 15 minutes it's a really simple thing. You'll probably need a 7/16 socket to loosen adjustment bolts on the level valve and a tape measure. Make sure you are parked on a flat level spot when you do.AG380 is 8.5" loaded 8.625" unloaded aka Pete flex air/elliptical spring. AG400l is 8.5" loaded, 8.75" unloaded aka Pete Low air leaf. Measure height on level ground.Blocks for leaf springs to adjust their ride height (up or down) the leaf spring suspension has not been raised by any other means, and; the leaf spring blocks are: securely fitted, and; constructed from metal, and; designed for the purpose, and; firmly seated over not less than the O.E. seat area, and; not more than 50mm in height, andThe video plus Durallymax info led us to the proper ride height. Layed a level across the duals and measured to the floor, divided by 2 and added 11.7 to achieve the proper height....32". Got the fenders installed with time to spare.....thank you to all who replied! Edit: Robmar poly fenders. Great people to deal with and a great product.The Flex-air is about 55 lbs lighter but that shouldn't matter to you. Both state to have 8.5" ride heights. I personally can't tell much difference in the ride between the two. The Low-Air seemed to not roll quite so bad, but I was pulling two completely different trailers. I will tell you that I have gotten a lot better tire wear out of the ...Imagine floating gently above the world, with breathtaking views stretching out as far as the eye can see. A hot air balloon ride for two offers an experience like no other, combin...I have a 98 379 with low air leaf suspension. My ride height was set at 6.5″ from bottom of frame to center of axle. Rear sagged a bit before especially when loaded and was pretty bouncy. How to tell if a Peugeot 379 has low air leaf? I had a 98 pete 379 and a 2003 .Low air leaf. I measured from underside of the frame to the outer edge of the ...May 29, 2023 · May 29, 2023. To lower a leaf spring suspension, remove the bottom leaf spring from the pack. Lowering your vehicle can provide better stability and improved appearance. Leaf springs are stacked together, and the bottom leaf spring typically carries the heaviest load. Removing it will result in a lowered ride height. Oct 30, 2013 · Well-Known Member. Oct 30, 2013. #1. My 1993 Peterbilt 379 EXHD has always rode rough. I know this is a 93' year model with air leaf suspension and isn't going to ride as smooth as the newer style suspension but it seems like it should ride a little smoother. When I get on a certain road for my routine haul, it almost throws me out of the seat. Oct 3, 2023 ... Standard heights is best for the tires but lower better for range. I want to turn auto off but how bad is standard height on the highway?In the default ‘D’ mode the new LEAF is a spritely performer, with 0-62mph coming up in 7.9 seconds, the car using all of its 236lb ft / 320Nm of torque to exemplary effect. The …The FLEX Air suspension comprises a stiff, lightweight aluminum drive beam with a semi-elliptic, taper leaf spring mounted at one end and an air spring at the other. Rated at 38,000 lb., it is designed for on-highway applications that require low weight combined with low ride height (see Figure 1). 2. 1.RE: air leaf heights. If the OP is concerned that the overall height with the trailer on is low at 13'4" high instead of 13'6" high. Almost every truck on the road, the …888864 Air Bag, Replaces Peterbilt & KW Low Air Leaf 03-08716 & C81-1011, Includes Bottom Stud. Part# 280-8864WS Free Shipping. $161.88 USD. 3. 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 Dump Valve, Use Only On Trucks.Nikki asks, “What should I do about the black spots covering the leaves of my 'Carissa" hollies? Will this do long-term damage to my hollies?"It sounds like your holly plants have ...The pedestals where the bags mount appear to be pushed down towards the ground. They are uneven. To get even close to the correct ride height, the bags are almost fully extended. There is 2.5" between the highest and the lowest pedestal measuring from the ground to the bottom of the pedestals. Even the one furthest off the ground seems …Find many great new & used options and get the best deals for Speedway Motors HOTROD Front Frame Leaf Spring Perch Kit Low Ride Height at the best online prices at eBay! Free shipping for many products! ... Genuine Peterbilt 03AL2 Low Air Leaf Bushing Pb75-29101. 4.8 out of 5 stars based on 4 product ratings (4) $33.90 New---- Used;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...Do you love the feel of the wind in your hair as you bike along? Do you enjoy getting fresh air, seeing new sights, and getting around efficiently? If so, then you’ll love riding a...May 29, 2023. To lower a leaf spring suspension, remove the bottom leaf spring from the pack. Lowering your vehicle can provide better stability and improved appearance. Leaf springs are stacked together, and the bottom leaf spring typically carries the heaviest load. Removing it will result in a lowered ride height.Ride height is not adjustable. Adding shims or cutting the spring is the only means of adjustment with coil springs. Leaf spring would need to have a leaf added or removed. Load handling capability may be reduced. This is especially a concern for rear springs on trucks. May require shorter shock absorbers.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 determine2557 posts · Joined 2009. #18 · Aug 23, 2010. Air trac is for severe duty applications. Air leaf is more for on highway prolly rides a bit better but still sits the truck high. Low leaf rides a bit better and lowers the frame height, the supermiller site (see handy links) shows ride height.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.Tagged: 0 Thread (s) Air leaf to Air trac. This may sound odd but bear with me. I bought a 99 Pete 378 dump truck that is basically speced for the road. I have a great deal of dump truck exp. and know that Hendrickson is the best for them but I am stuck with low air leaf and it stinks in the dirt. I found a guy parting out an 03 with air trac ...Leaf springs are also modular, meaning that if you desire a change in ride height or capability, all you have to do is add or remove leaves. The higher-quality packs will use multiple, thinner ...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 AVERAGES 15.5.Suns_PSD. The only Pete air ride available on a 2002 330 was the Low Air Leaf. Early '99 7.3 Superduty. Built 3-98. Built motor. Homemade "Big Oil", GT42R Big frame turbo. Rods and junk to keep it all together. This is an older thread, you may not receive a response, and could be reviving an old thread.Jul 28, 2011 · Pete's use three ( that I know of ) types. Low air leaf, air leaf, and air trac. You will find most over the road guys prefer low air leaf. I believe that they have the least travel of the three,which means the are not as suitable for off road conditions. We have had Pete's with air leaf and air trac that we use on the farm and construction work. Height Control Valve: 1 : Hadley type model 450HCV: 26: 48100225: Linkage Kit: 1 : 27: 75-163: Spring Assembly: 2: ... 888852 Air Bag, Replaces Peterbilt 03-07887 Low Air Leaf and Firestone W01-358-8852 Air Springs. Part# 280-8852 Free Shipping. $142.50 USD Not Yet Rated Delayed Response Height Control Valve.I have a 1994 Pete with low air leaf. I did not notice the slightly high left side until I took the fifth wheel plate off and installed a small flat bed. ... Unless your suspension has dual leveling valves adjusting the ride height valve will do nothing. Check the main pivot bushings at all 4 rear springs. They are hard to check visually ...• 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;Peterbilt’s proprietary Front Air Leaf Suspension includes a wide, flat, lower leaf front spring design to enhance control and an upper leaf for better roll stability and handling. The system is available on some truck models with suspension weight capacities from 12,000 to 13,200 lbs. The design uses four air springs.Changes in the diameter of the wheel and tyre combination of up to +/- 7% of the largest size specified by the vehicle manufacturer. Modifications to the ride height up to 75mm that incorporate a maximum change in the suspension of 50mm, and/or an increase in the diameter of the wheel and tyre combination of up to 50mm.May 29, 2023. To lower a leaf spring suspension, remove the bottom leaf spring from the pack. Lowering your vehicle can provide better stability and improved appearance. Leaf springs are stacked together, and the bottom leaf spring typically carries the heaviest load. Removing it will result in a lowered ride height.In this video our mechanic demonstrates how to adjust the ride height on a Hendrickson Air Ride Suspension. For more information or to contact our service d...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 ... 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 ... If you have a big yard, your riding lawn mower is probably a gadget you can’t afford to have break down. During the summer, just a week without mowing can leave you with a lawn ful...Check the ride height using the ride height gauge. 1 Use the ride height gauge to determine the proper frame rail size either 266 mm or 300 mm. 2 Place the top of the ride height gauge at the lower edge of the frame rail behind the air spring that is closest to the leveling valve. 3 Using the frame height recorded within Step , adjust theWatch on. There are two major styles of suspensions for heavy-duty trucks out there, air ride and leaf spring, and knowing the difference between the two can be important based on your application. Watch the video above to learn more, and click here for more episodes of On the Road. Tags: On the Road, Season 5, Suspensions.If you have low profile 24.5 tires, the 11R22.5 are going to be the same height as the lp 24.5s. To drop the amount you need you would probably need to go from tall 24.5 tires to lp 22.4 tires. Take a look at your 5th wheel with the trailer hooked and see how much room in between the tires and bottom of the trailer.One of the key features of the Peterbilt Low Air Leaf suspension system is its ability to adjust the ride height. This can be done by adjusting the air pressure in the air springs. …Posts: 2,394. British Columbia. Yes, the factory has the ground to rocker panel height specs: Front- 8.4" at 33" behind the center of the front wheel: Rear, 8.10" at 29" ahead of the center of the rear wheel. Those numbers go out the window as soon as you replace the stock tires.If you lower it from the recomended ride height you will throw off your driveline angles and will have more problems then you bargained for. Jumbo, Dec 9, 2011. Jumbo, Dec 9, 2011 #4. ... do you have an air leaf or a low air leaf? i have heard that you can put air trac airbags on an airleaf and it can alter the height????, they will bolt up ...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 …Jul 15, 2008 · For 379 Pete with Low air leaf or Flex air suspension your laden ride height is 8.5" or 216 mm and uladen air ride height is 8.75" or 222 mm. Air Leaf 12" or 305mm unladen and 11.70" or 297 mm laden. 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. In modern days, low air leaf has been replaced with Flex Air suspension (low air leaf is still available). Flex air has the same ride height but weighs several hundred pounds less, thus allowing ...2013 389 low air leaf peterbilt, both rear axles cracked where u bolt saddles sit on top of axle. ... Hi I have a 2014 peterbilt 389 with factory front air leaf suspension, just wondering what the ride height should be and how to measure, VIN number 245637 ...Happy (much-needed) weekend, and welcome back to 3-Ingredient Happy Hour, the weekly drink column featuring super simple yet delicious libations. This week we’re making a very smal...That's Pete Air Leaf. LAL has re-curved springs. In the shape of a "C". When pulling empty trailer, or bob-tailing, the rear-end does rise some. IIRC my Pete would come up about 3"s "Neuway" is another brand of air-ride suspension. But, Peterbilt is considered the 'top shelf' of them all. KW's 8 bag system is more complicated and seem toThe air space in a leaf allows communication between the interior and exterior environment of the plant. The air spaces in a plant are called the stomata and the boundary layer. St...The air space in a leaf allows communication between the interior and exterior environment of the plant. The air spaces in a plant are called the stomata and the boundary layer. St...