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Thread: Frame Bounce / Frame Beaming

  1. #1

    Default Frame Bounce / Frame Beaming

    Ok so I came across a thread on another forum that mentioned a condition (mostly 1/2 ton drivers) that had an issue with the frame bouncing over the concrete sections of freeway. Some reported it was so bad they couldnt talk without it sounding like they were getting bounced up and down.

    Anyways. I was looking into it. GM has a Campaign #PIT3009J that was released regarding this. It only applies to Ext and Crew cabs, not Regular Cabs and its been called "Frame Beaming". Apparently they did some research on this and came up with a new ear body mount setup. Long Story short, I ordered them and installed them last night. Damn! it actually makes a difference. Below is the test pasted from the GM Campaign.

    i know this was a big complaint with the 1500 trucks, but I think us 2500/3500 guys just assume thats how these are supposed to ride? I dont know. but I am extremely happy now. I have the Bilstein's and Sulastics from Nor-Cal Truck, and now this. Still a truck, but smooth and controlled like it should be.

    ""GM Campaign #PIT3009J: Suspension Vibration Or Frame Beaming At 40-60 MPH (64-80KM/H) - keywords front rear shake shock spring tire - (Sept 18,2008)""


    Condition/Concern:

    Beam shake vibration is usually felt and occurring at speeds between 40-50 mph (64-80 km/h). Hertz readings using an EVA tool are normally bewtween 8-24 HZ. This condition is most common on extended cab and crew cab models but has also been noted in other models.

    Recommendation/Instructions:

    The severity of the beam shake may vary from vehicle to vehicle. To determine if the concern is beam shake, please perform the following:

    1. Test drive vehicle to confirm the condition. A beam shake condition will usually respond to concrete type pavements more than asphalt, so the vehicle should be driven over both surfaces if possible.

    2. Place 200-500 pounds in the pickup bed between the closed tailgate and the wheel wells. A beaming condition should dissipate.



    -----------


    If the concern is determined to be beam shake, this a characteristic of the vehicle. GM Engineering has released updated body mounts to reduce this concern for the Crew and Extended Cab Models. There will be no changes made to the Regular Cab Models.

    FOR CREW AND EXTENDED CAB MODELS, REPLACE THE REAR CAB MOUNTS WITH UPDATED PARTS LISTED BELOW. THESE PARTS SHOULD NOT BE USED ON REGULAR CAB MODELS.

    New upper and lower mounts should be installed at the left and right rear cab position. The new LOWER mount is a two-piece design, meaning there is a rubber mount with a metal washer. Some models may use a one piece lower mount, meaning the rubber mount has a metal washer molded into it. If the vehicle has the one-piece lower mount design, washers (PN 15854745, Qty 2) will be needed to be used with the new lower mount.

    Upper Mount 25791031 Qty 2

    Lower Mount 25791032 Qty 2

    Washer 15854745 Qty 2 (if needed)

    Please follow this diagnostic or repair process thoroughly and ccomplete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
    I installed mine last night and I am very impressed. If you have any questions or info, post up.
    06 Chevy LT3 LBZ CC/LB DRW - 104k miles
    New CP3 & injectors @ 93k / Resonator Blocked / Stock Airbox Intake /
    5" DiamondEye w FTE Resonator / Atwood Flip-Up Goosneck Hitch / Bilstein 5100's / Custom Headache Rack / Black Low-Profile Toolbox / Fumoto Drain / EGR Blocked / Cognito UCA / Cognito Steering Upgrades / RareParts Tie Rods / Sulastic Shackles / Torklift SuperHitch Magnum / Torklift Frame-mounted Camper Tiedowns / Torklift Stable-Load / AirLift Air Bags with Remote / Updated GM Body Mounts / Toyo MT 255/85R16
    TransGo Jr / Nicktane CAT Filter Adapter / FASS 150 HD with Suction Tube / PIAA NightTech Headlights / EGT, Boost and Air Tank gauges on A-Pillar / SoCal Diesel overhead mount with Rail and LP Pressure gauges / SB Boost Manifold / VIAIR 200 PSI Onboard Air / ConsoleVault / Sound Deadened Cab with Dynamat & RAAMmat
    Waiting to Install: Allison Deep Pan / 2000watt DC inverter / Bed mounted 120VAC Outlet


    R.I.P.
    06 GMC CC/SB LBZ D/A SLT 4x4 @ 102k Miles
    Dually club - Member #79

  2. #2
    Diesel Weasel Mad Maxx's Avatar
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    Default

    Yep, still got my Cab Mounts in the Box, just gotta find some Time to put them in.
    James

    '07 Chevy Silverado 2500HD CCSB LBZ
    '06 Dodge Ram 2500 QCLB Cummins
    '06 Jeep Liberty CRD


  3. #3

    Default

    I didnt give it a chance. Received them yesterday, installed them last night with a floor jack and 4x4 post in about 45 minutes. I also installed the insulator for the front body mounts as I was getting a popping noise up there. All quiet and smooth now.
    06 Chevy LT3 LBZ CC/LB DRW - 104k miles
    New CP3 & injectors @ 93k / Resonator Blocked / Stock Airbox Intake /
    5" DiamondEye w FTE Resonator / Atwood Flip-Up Goosneck Hitch / Bilstein 5100's / Custom Headache Rack / Black Low-Profile Toolbox / Fumoto Drain / EGR Blocked / Cognito UCA / Cognito Steering Upgrades / RareParts Tie Rods / Sulastic Shackles / Torklift SuperHitch Magnum / Torklift Frame-mounted Camper Tiedowns / Torklift Stable-Load / AirLift Air Bags with Remote / Updated GM Body Mounts / Toyo MT 255/85R16
    TransGo Jr / Nicktane CAT Filter Adapter / FASS 150 HD with Suction Tube / PIAA NightTech Headlights / EGT, Boost and Air Tank gauges on A-Pillar / SoCal Diesel overhead mount with Rail and LP Pressure gauges / SB Boost Manifold / VIAIR 200 PSI Onboard Air / ConsoleVault / Sound Deadened Cab with Dynamat & RAAMmat
    Waiting to Install: Allison Deep Pan / 2000watt DC inverter / Bed mounted 120VAC Outlet


    R.I.P.
    06 GMC CC/SB LBZ D/A SLT 4x4 @ 102k Miles
    Dually club - Member #79

  4. #4

    Default

    pics from my install can be found here....
    http://bigdogyj.smugmug.com/gallery/...25525463_vLxRn
    06 Chevy LT3 LBZ CC/LB DRW - 104k miles
    New CP3 & injectors @ 93k / Resonator Blocked / Stock Airbox Intake /
    5" DiamondEye w FTE Resonator / Atwood Flip-Up Goosneck Hitch / Bilstein 5100's / Custom Headache Rack / Black Low-Profile Toolbox / Fumoto Drain / EGR Blocked / Cognito UCA / Cognito Steering Upgrades / RareParts Tie Rods / Sulastic Shackles / Torklift SuperHitch Magnum / Torklift Frame-mounted Camper Tiedowns / Torklift Stable-Load / AirLift Air Bags with Remote / Updated GM Body Mounts / Toyo MT 255/85R16
    TransGo Jr / Nicktane CAT Filter Adapter / FASS 150 HD with Suction Tube / PIAA NightTech Headlights / EGT, Boost and Air Tank gauges on A-Pillar / SoCal Diesel overhead mount with Rail and LP Pressure gauges / SB Boost Manifold / VIAIR 200 PSI Onboard Air / ConsoleVault / Sound Deadened Cab with Dynamat & RAAMmat
    Waiting to Install: Allison Deep Pan / 2000watt DC inverter / Bed mounted 120VAC Outlet


    R.I.P.
    06 GMC CC/SB LBZ D/A SLT 4x4 @ 102k Miles
    Dually club - Member #79

  5. #5
    Member Advocate Pepperidge's Avatar
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    Default

    what year models will this work on?

    I'd like to change the front isolators as well because I get a popping noise also...but it is only on left turns and braking (odd) I've brought it into the shop a couple times and no one can find the popping cause...this may be it...
    Pepperidge
    "Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well-armed lamb."
    -Benjamin Franklin

    '01 GMC CC SB 4x4 D/A
    "Club 12 Crew Cab"
    Tuned with EFI Live by theFermanator
    HTT66 Turbo, Carillo Rods, Cut & Coated Pistons, Screw in injector cups, 40% over injectors, 42% over CP3, Suncoast Stage V, AirDogII 165
    , StewartEMP Electric Water Pump, AEM Brute Force Intake, ProFab Cast Flows and up pipes, 4" MBRP Exhaust w/CORSA muffler, Sulastics Shackles, Mag Hytec Diff and Trans Pan, Correctrack Spacers, TTT Mirrors, 265/70/17E Hankook DynaPro ATM's, Dakota Digital Gauges,
    "Dura-Sump" Fuel pickup by Dura-Ration
    Member # 3 A(ACLU)
















  6. #6

    Default

    Quote Originally Posted by Pepperidge View Post
    what year models will this work on?

    I'd like to change the front isolators as well because I get a popping noise also...but it is only on left turns and braking (odd) I've brought it into the shop a couple times and no one can find the popping cause...this may be it...
    From what I have found, it applies to all GMT-800's (ie. 2001-2007 classic).
    The isolator/insulator is basically a flat thin plastic washer that goes between the upper body mount and the frame bracket. I assume its to allow the body mount to move a little without binding or sticking (hence causing the pop).
    I also noticed mine when braking turning left usually into a driveway or something similar. No more noise now. I'll be leaving tomorrow on a 600 mile trip towing a 8000# trailer. So if it doesn't come back after that, I am going to assume its all good.

    Body Mount Insulator GM Part # 15899719 (~$2.50 each) One needed per side. Some have mentioned they have the same pop noise from other body mounts. So you may need more. But most likely its just the front mounts under the A pillar.

    I ordered mine through PartsZone Online along with a few other things. They seem to have better shipping rates than what I've seen on GMPartsDirect.

    I'll see if I can find the GM article for this.
    06 Chevy LT3 LBZ CC/LB DRW - 104k miles
    New CP3 & injectors @ 93k / Resonator Blocked / Stock Airbox Intake /
    5" DiamondEye w FTE Resonator / Atwood Flip-Up Goosneck Hitch / Bilstein 5100's / Custom Headache Rack / Black Low-Profile Toolbox / Fumoto Drain / EGR Blocked / Cognito UCA / Cognito Steering Upgrades / RareParts Tie Rods / Sulastic Shackles / Torklift SuperHitch Magnum / Torklift Frame-mounted Camper Tiedowns / Torklift Stable-Load / AirLift Air Bags with Remote / Updated GM Body Mounts / Toyo MT 255/85R16
    TransGo Jr / Nicktane CAT Filter Adapter / FASS 150 HD with Suction Tube / PIAA NightTech Headlights / EGT, Boost and Air Tank gauges on A-Pillar / SoCal Diesel overhead mount with Rail and LP Pressure gauges / SB Boost Manifold / VIAIR 200 PSI Onboard Air / ConsoleVault / Sound Deadened Cab with Dynamat & RAAMmat
    Waiting to Install: Allison Deep Pan / 2000watt DC inverter / Bed mounted 120VAC Outlet


    R.I.P.
    06 GMC CC/SB LBZ D/A SLT 4x4 @ 102k Miles
    Dually club - Member #79

  7. #7
    Recruit jrkrace's Avatar
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    I did this about a month ago and it cut my passenger seat "shake" by about 90%. Truck is much smoother and dialed in nicely with my Sulastics and Monroe Reflex shocks.
    2007 GMC LBZ CC/SB, Transgo Jr, Transynd, Astrostart 2205, Fisher 7.5 MM1, Trippin DSP5, Banks Cat-back, Sulastic shackles, Monroe Reflex, Non-Lux TNR along with USA Spec Ipod adapter, Navtool, BU Cam, HID's, Roll-N-Lock cover, Lube Specialist auxiliary filter, Tony's PCV reroute, LED's,...

    2007 Denali XL for the wife..

    CT Smoke member # 65

  8. #8
    Member Advocate Pepperidge's Avatar
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    Quote Originally Posted by BigDogYJ View Post
    From what I have found, it applies to all GMT-800's (ie. 2001-2007 classic).
    The isolator/insulator is basically a flat thin plastic washer that goes between the upper body mount and the frame bracket. I assume its to allow the body mount to move a little without binding or sticking (hence causing the pop).
    I also noticed mine when braking turning left usually into a driveway or something similar. No more noise now. I'll be leaving tomorrow on a 600 mile trip towing a 8000# trailer. So if it doesn't come back after that, I am going to assume its all good.

    Body Mount Insulator GM Part # 15899719 (~$2.50 each) One needed per side. Some have mentioned they have the same pop noise from other body mounts. So you may need more. But most likely its just the front mounts under the A pillar.

    I ordered mine through PartsZone Online along with a few other things. They seem to have better shipping rates than what I've seen on GMPartsDirect.

    I'll see if I can find the GM article for this.

    Thanks...what were the prices for the new body mounts?
    Pepperidge
    "Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well-armed lamb."
    -Benjamin Franklin

    '01 GMC CC SB 4x4 D/A
    "Club 12 Crew Cab"
    Tuned with EFI Live by theFermanator
    HTT66 Turbo, Carillo Rods, Cut & Coated Pistons, Screw in injector cups, 40% over injectors, 42% over CP3, Suncoast Stage V, AirDogII 165
    , StewartEMP Electric Water Pump, AEM Brute Force Intake, ProFab Cast Flows and up pipes, 4" MBRP Exhaust w/CORSA muffler, Sulastics Shackles, Mag Hytec Diff and Trans Pan, Correctrack Spacers, TTT Mirrors, 265/70/17E Hankook DynaPro ATM's, Dakota Digital Gauges,
    "Dura-Sump" Fuel pickup by Dura-Ration
    Member # 3 A(ACLU)
















  9. #9
    Diesel Weasel Mad Maxx's Avatar
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    Quote Originally Posted by Pepperidge View Post
    Thanks...what were the prices for the new body mounts?
    I think when I got them, it was all like $74 plus Shipping.
    James

    '07 Chevy Silverado 2500HD CCSB LBZ
    '06 Dodge Ram 2500 QCLB Cummins
    '06 Jeep Liberty CRD


  10. #10
    Member Advocate Pepperidge's Avatar
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    wow... partszone total before shipping for both upper and lowers + isolators (2@$2 ea) came to $118
    Pepperidge
    "Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well-armed lamb."
    -Benjamin Franklin

    '01 GMC CC SB 4x4 D/A
    "Club 12 Crew Cab"
    Tuned with EFI Live by theFermanator
    HTT66 Turbo, Carillo Rods, Cut & Coated Pistons, Screw in injector cups, 40% over injectors, 42% over CP3, Suncoast Stage V, AirDogII 165
    , StewartEMP Electric Water Pump, AEM Brute Force Intake, ProFab Cast Flows and up pipes, 4" MBRP Exhaust w/CORSA muffler, Sulastics Shackles, Mag Hytec Diff and Trans Pan, Correctrack Spacers, TTT Mirrors, 265/70/17E Hankook DynaPro ATM's, Dakota Digital Gauges,
    "Dura-Sump" Fuel pickup by Dura-Ration
    Member # 3 A(ACLU)
















  11. #11
    Diesel Weasel Mad Maxx's Avatar
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    Quote Originally Posted by Pepperidge View Post
    wow... partszone total before shipping for both upper and lowers + isolators (2@$2 ea) came to $118
    Yea, when they First came out, I think for the Set the Price was like in the $50's, then I Ordered and it was in the $70's, I guess it's even more now.
    James

    '07 Chevy Silverado 2500HD CCSB LBZ
    '06 Dodge Ram 2500 QCLB Cummins
    '06 Jeep Liberty CRD


  12. #12
    Recruit jrkrace's Avatar
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    118.00 is what I paid for mine before shipping.
    2007 GMC LBZ CC/SB, Transgo Jr, Transynd, Astrostart 2205, Fisher 7.5 MM1, Trippin DSP5, Banks Cat-back, Sulastic shackles, Monroe Reflex, Non-Lux TNR along with USA Spec Ipod adapter, Navtool, BU Cam, HID's, Roll-N-Lock cover, Lube Specialist auxiliary filter, Tony's PCV reroute, LED's,...

    2007 Denali XL for the wife..

    CT Smoke member # 65

  13. #13

    Default

    $118 sounds in line with what I paid. I added a few other things on the order. so my total was a little more.
    06 Chevy LT3 LBZ CC/LB DRW - 104k miles
    New CP3 & injectors @ 93k / Resonator Blocked / Stock Airbox Intake /
    5" DiamondEye w FTE Resonator / Atwood Flip-Up Goosneck Hitch / Bilstein 5100's / Custom Headache Rack / Black Low-Profile Toolbox / Fumoto Drain / EGR Blocked / Cognito UCA / Cognito Steering Upgrades / RareParts Tie Rods / Sulastic Shackles / Torklift SuperHitch Magnum / Torklift Frame-mounted Camper Tiedowns / Torklift Stable-Load / AirLift Air Bags with Remote / Updated GM Body Mounts / Toyo MT 255/85R16
    TransGo Jr / Nicktane CAT Filter Adapter / FASS 150 HD with Suction Tube / PIAA NightTech Headlights / EGT, Boost and Air Tank gauges on A-Pillar / SoCal Diesel overhead mount with Rail and LP Pressure gauges / SB Boost Manifold / VIAIR 200 PSI Onboard Air / ConsoleVault / Sound Deadened Cab with Dynamat & RAAMmat
    Waiting to Install: Allison Deep Pan / 2000watt DC inverter / Bed mounted 120VAC Outlet


    R.I.P.
    06 GMC CC/SB LBZ D/A SLT 4x4 @ 102k Miles
    Dually club - Member #79

  14. #14

    Default

    found my invoice. heres what i paid.....

    Qty Item ID Description Unit Price Amount
    2 25791031 cushion 27.00 54.00
    2 25791032 cushion 27.00 54.00
    2 15854745 retainer 2.68 5.36
    4 15899719 insulator 2.36 9.44

    Subtotal:$122.80
    Shipping:20.00
    Total:$142.80
    06 Chevy LT3 LBZ CC/LB DRW - 104k miles
    New CP3 & injectors @ 93k / Resonator Blocked / Stock Airbox Intake /
    5" DiamondEye w FTE Resonator / Atwood Flip-Up Goosneck Hitch / Bilstein 5100's / Custom Headache Rack / Black Low-Profile Toolbox / Fumoto Drain / EGR Blocked / Cognito UCA / Cognito Steering Upgrades / RareParts Tie Rods / Sulastic Shackles / Torklift SuperHitch Magnum / Torklift Frame-mounted Camper Tiedowns / Torklift Stable-Load / AirLift Air Bags with Remote / Updated GM Body Mounts / Toyo MT 255/85R16
    TransGo Jr / Nicktane CAT Filter Adapter / FASS 150 HD with Suction Tube / PIAA NightTech Headlights / EGT, Boost and Air Tank gauges on A-Pillar / SoCal Diesel overhead mount with Rail and LP Pressure gauges / SB Boost Manifold / VIAIR 200 PSI Onboard Air / ConsoleVault / Sound Deadened Cab with Dynamat & RAAMmat
    Waiting to Install: Allison Deep Pan / 2000watt DC inverter / Bed mounted 120VAC Outlet


    R.I.P.
    06 GMC CC/SB LBZ D/A SLT 4x4 @ 102k Miles
    Dually club - Member #79

  15. #15
    Member Advocate Pepperidge's Avatar
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    Default

    the invoice was pending invoicing through paypal...

    I upped the isolators to 4 and instead of $140 through partszone with only 2 isolators...

    I got it all(what you ordered) for $133 through gmpartsdirect shipped

    thanks for all the part #'s and help
    Pepperidge
    "Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well-armed lamb."
    -Benjamin Franklin

    '01 GMC CC SB 4x4 D/A
    "Club 12 Crew Cab"
    Tuned with EFI Live by theFermanator
    HTT66 Turbo, Carillo Rods, Cut & Coated Pistons, Screw in injector cups, 40% over injectors, 42% over CP3, Suncoast Stage V, AirDogII 165
    , StewartEMP Electric Water Pump, AEM Brute Force Intake, ProFab Cast Flows and up pipes, 4" MBRP Exhaust w/CORSA muffler, Sulastics Shackles, Mag Hytec Diff and Trans Pan, Correctrack Spacers, TTT Mirrors, 265/70/17E Hankook DynaPro ATM's, Dakota Digital Gauges,
    "Dura-Sump" Fuel pickup by Dura-Ration
    Member # 3 A(ACLU)
















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