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BPI 10-06 Temporary reduction in power brake ... - Raybestos Brakes

No. BPI 10-06 Subject: Temporary reduction in power brake assist in extreme cold weather Vehicles Involved: Models: 2009 BUICK ENCLAVE 2009 CHEVROLET TRAVERSE 2009 GMC ACADIA 2009 SATURN OUTLOOK From 9J100008 From 9S100002 From 9J100016 From 9J100003 to to to to 9J190898 9S143268 9J190899 9J190888 Condition: If the brake check valves are NOT installed correctly, an increased amount of brake pedal effort will be required to obtain brake function, and the brake assist system will NOT perform as designed. Repair: Replace the first design brake booster vacuum hose check valve (1) with a second design brake booster vacuum hose check valve (2). An arrow on the second design check valve indicates the vacuum draw direction (3). 1. Remove the fuel injector sight shield (engine cover) from the engine. 4400 Prime Parkway McHenry, IL 60050  (815) 363-9000 Determine where the two brake booster vacuum hose check valves are located. Refer to callouts 1 and 2 in the illustration 2. Release the quick connect (4) from the power brake booster auxiliary pump (3). 3. Remove the protective wrap (5) from the brake booster vacuum hose to locate check valve # (1). 4400 Prime Parkway McHenry, IL 60050  (815) 363-9000 4. Remove the check valve (1) from the brake booster vacuum hose that routes to the power brake booster auxiliary pump (3). 5. Remove the check valve (2) from the brake booster hose that routes to the intake manifold vacuum port (6). Note If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the vacuum hose to the manifold vacuum port. Do not use soap. 6. Install a new check valve (1) to the brake booster hose that routes to the power brake booster auxiliary pump (3). Ensure the arrow on the check valve (1) ...

The ATE T50 Brake Booster - 190SL | 190 SL

Fifty percent less pedal force I n most of the models of the 1950s and 1960s, Mercedes-Benz provided a power brake booster manufactured by ATE. The booster does not pro- vide additional braking capacity, a common misconception, but rather reduces the pedal force required for braking. The power brake is a vacuum-assisted hydraulic component using the pressure difference between engine intake manifold vacuum and atmospheric pressure for its operation. The power unit increases the pressure created physically in the brake master cylinder so that the same braking effect can be produced with less pedal effort. With a brake booster installed, the pedal force required for braking is reduced by 50 percent. The ATE T50 Brake Booster uses vacuum to “boost” the hydraulic brakeline pressure. The booster contains a hydraulic cylinder, a large vacuum piston that presses against the hydraulic cylinder, and a control circuit that regulates the vacuum flow based on brake-line pressures. This technology had been well proven since the early 1900s, and the T50 has been exceptionally reliable over many years of use. The Booster in action The power booster is a very simple design requiring only a vacuum source to operate. In gasoline-engine cars, the engine provides a vacuum suitable for the boosters. Because diesel engines do not produce a vacuum, dieselpowered vehicles must use a separate vacuum pump. A vacuum hose from the intake manifold on the engine pulls air from both sides of the diaphragm when the engine is running. When the driver steps on the brake pedal, the input rod assembly in the booster moves forward, blocking off the vacuum port to the backside of the diaphragm and opening an atmospheric port that allows air to enter the back chamber. Suddenly, the diaphragm has vacuum pulling against one side and air pressure pushing on the other. The result is forward pressure that assists in pushing the input rod, which in turn pushes the piston in the master cylinder. The amount of power assist that’s provided by the booster depends on the size of the diaphragm and the amount of intake manifold vacuum produced by the engine. A larger diaphragm will increase the boost.

SECTION 205-00 Driveline System — General Information

GENERAL PROCEDURES Driveshaft Runout and Balancing Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) or equivalent Mastertech® Series MTS 4000 Driveline Balance and NVH Analyzer (Vetronix) 257-00018 or equivalent Driveshaft Inspection NOTE: Driveline vibration exhibits a higher frequency and lower amplitude than high-speed shake. Driveline vibration is directly related to the speed of the vehicle and is noticed at various speeds. Driveline vibration can be perceived as a tremor in the floorpan or heard as a rumble, hum or boom. NOTE: Refer to Specifications in this section for all runout specifications. 1. NOTE: Do not make any adjustments before carrying out a road test. Do not change the tire pressure or the vehicle load. Carry out a visual inspection of the vehicle. Operate the vehicle and verify the condition by reproducing it during the road test. • 2. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section 100-02. • 3. The concern should be directly related to vehicle road speed, not affected by acceleration or deceleration or could not be reduced by coasting in NEUTRAL. The driveshaft should be kept at an angle equal to or close to the curb-weighted position. Use a twin-post hoist or a frame hoist with jackstands. Inspect the driveshaft for damage, undercoating or incorrectly seated U-joints. Rotate the driveshaft slowly by hand and feel for binding or end play in the U-joint trunnions. Remove the driveshaft. For additional information, refer to Section 205-01. Inspect the slip yoke splines for any galling, dirt, rust or incorrect lubrication. Clean the driveshaft or install new U-joints as necessary. Install a new driveshaft if damaged. After any corrections or new components are installed, recheck for the vibration at the road test speed.

Drive Line / Universal
by Maradoni 0 Comments favorite 3 Viewed Download 0 Times

– Drivelines and Universal Joints Universal Joint Maintenance • Most factory-installed universal joints are sealed and don’t require periodic lubrication • After-market replacement joints are equipped with a grease fitting and must be greased periodically Drive Shaft Problem Diagnosis • Road testing – Vehicle should be driven while accelerating and decelerating as well as at various steady speeds – Vibrations caused by worn U-joints usually occur while accelerating Types and Causes of Vibrations • High speed vibrations – Usually caused by driveshaft imbalance • Vibrations during acceleration – Usually caused by worn double Cardan joint ball and socket • Low speed vibrations – Usually caused by improper operating angles Noise Diagnosis • Clunking noise while accelerating from a dead stop – Usually caused by worn or damaged U-joint – Can be caused by problems including excessive clearance between slip joint and extension housing • Squeaking noise – Often caused by worn or poorly lubricated U-joint Reasons for Universal Joint Failure • Lack of lubrication • Pushing another car • Towing a trailer • Changing gears abruptly • Carrying heavy loads Steps in Lubricating U-Joints 1. Wipe off the nozzle of the fitting 2. Attach the hose of the grease gun to the fitting 3. Pump grease slowly into the fitting 4. Stop pumping when grease appears at the bearing cups Inspecting the Drive Shaft • Check for fluid leaks • Check the U-joints for signs of rust or leakage • Check for movement in the joint while trying to turn the yoke and the shaft in opposite directions • Check the drive shaft for dents, missing weights, and undercoating or dirt...

XT100-08am Driveshaft Vibration.pdf - - Jaguar ...

X-TYPE DATE 05/04 Amended 09/04 XT100-08 TECHNICAL BULLETIN SERVICE Driveshaft Vibration – Diagnostic Method – Repair MODEL 2002-04 MY X-TYPE VIN C00001-E02938 Remove and destroy Bulletin XT100-08, dated 05/04. Replace with this Bulletin. Revisions are marked with a bar and in bold text. Issue: A new procedure has been developed for use after the WDS Vehicle Vibration Analyzer (VVA) has confirmed a vehicle vibration. Action: After a driveshaft vibration has been confirmed using WDS VVA, follow the workshop procedure outlined below. WORKSHOP PROCEDURE Note: There is no Labor Time Allowance to carry out road test diagnosis. Jaguar recommends a claim of 0.50 hrs. as straight time for VVA. Warning: Driveshaft bolts are one-time use only. Use new bolts for the final repair. Existing bolts may be reused throughout the diagnostic procedures. Raise vehicle on twin-post lift. Check for alignment of the green line on the rear differential flange with white paint spot on the rear of the driveshaft. If not aligned continue from step 3; if aligned continue from step 16. Remove the rear driveshaft joint to rear differential flange bolts and links where accessible. Rotate the driveshaft and remove the remaining rear driveshaft joint to rear differential flange securing bolts and links. Displace driveshaft from the rear differential flange. Remove and discard the gasket from the rear differential flange (where installed). Clean the mating faces. Install a new gasket to the rear differential flange, if previously installed. NOTE: THE INFORMATION IN TECHNICAL BULLETINS IS INTENDED FOR USE BY TRAINED, PROFESSIONAL TECHNICIANS WITH THE KNOWLEDGE, TOOLS, AND EQUIPMENT TO DO THE JOB PROPERLY AND SAFELY. IT INFORMS THESE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR PROVIDES INFORMATION THAT COULD ASSIST IN PROPER VEHICLE SERVICE. THE PROCEDURES SHOULD NOT BE PERFORMED BY “DO-ITYOURSELFERS.” DO NOT ASSUME THAT A CONDITION DESCRIBED AFFECTS YOUR CAR. CONTACT A JAGUAR RETAILER TO DETERMINE WHETHER THE BULLETIN APPLIES TO YOUR VEHICLE. Date of issue 05/04 Amended 09/04

How to Diagnose Vibrations
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Vibration Diagnostics S tart 1 Gather Info When did vibration start? Where is vibration felt? What road conditions? Under load or high torque conditions? During acceleration/deceleration? Speed dependent? RPM dependent? Noise? Suspension modified recently? Lube clean and at proper level? 2 Important: Use factory service manuals and procedures and refer to all applicable safety precautions when servicing vehicles. This document is intended to assist with drivetrain vibration diagnosis. It does not guarantee an immediate solution nor does it guarantee warranty responsibility or reimbursement. Refer to for Product Warranty Statements, Warranty Manual, and Warranty Guidelines. 6 Vibrations While Stationary Previous work on clutch or engine Y es In the road test in Step 2, the vehicle was run up to the suspected RPM and the transmission shift lever was placed in neutral. No Y es No If clutch work recently done, problem could be related to the clutch. Verify proper clutch was installed. If engine work recently done, problem could be related to the engine. Contact your engine distributor. 4 No Problem is related to the clutch. Road Test Have vehicle driver recreate complaint condition, if possible Leave trailer attached Run up to suspected RPM and put transmission in neutral Simulate Conditions Speed Related? Y es Does ride height meet OEM specs Y es No No Perform visual inspection and use Eaton Driveline Angle Analyzer (DAA). U-joint bearing cups and trunnions Bearing straps Flange yoke / companion flange Yoke-mounted damper Parking brake Center bearing Fasteners Driveshaft for damage / missing weights Driveshaft slip spline (wear / bottoming / inadequate engagement) Cab mounts / air ride system Correct per OEM procedures. Speed RPM Gear Position Coast Under power Loaded / Unloaded Problem Solved No Remove all drive axle shafts and lock in power divider. Run truck in same condition as when complaint occurred. Y es Done! Problem Solved Isolate Suspect Shaft No Y es Problem is related to the wheel end. Take known good wheel assembly and test replacement from wheel to wheel to isolate problem.

Best Liquid Crystal Privacy Glass - Varioglass Canada

Liquid Crystal Glass: Vario Privacy smart glass is easily installed and can be used in many applications. Various configurations can be supplied including colour tinted, fire rated, double glazed, curved and shaped.

Flexible Pipe Stress and Fatigue Analysis - DiVA

Henan Li Marine Technology Submission date: June 2012 Supervisor: Svein Sævik, IMT Norwegian University of Science and Technology Department of Marine Technology THESIS WORK SPRING 2012 for Stud. tech. Henan Li Flexible Pipe Stress and Fatigue Analysis Spennings- og utmatnings-analyse av fleksible stigerø r The flexible riser represents a vital part of many oil and gas production systems. During operation of such risers, several failure incidents may take place e.g. caused by fatigue and corrosion. In limit cases where inspections indicate damage, the decision making with regard to continue operation or replacing the riser may have large economic and environmental consequences. Hence, the decision must be based on accurate models to predict the residual strength of the pipe. In most applications, one or several steel layers are used to carry the hoop stress resulting from internal pressure. This is further combined with two layers of cross-wound armour tendons (typically 40-60 tendons in one layer installed with an angle of 35o with the pipe’s length axis) acting as the steel tensile armour to resist the tension and end cap wall force resulting from pressure. The riser fatigue performance may in many cases be governed by the dynamic stresses in the tensile armour. The existing lifetime models for such structures is primarily based on inherent assumptions with respect to the slip properties of the tensile armour. This thesis work focus on establishing a FEM based model for analysis of the tensile armour, so as to analyse the stress and slip behaviour when exposed to different load conditions. The thesis work is to be based on the project work performed and shall include the following steps: 1) Literature study, including flexible pipe technology, failure modes and design criteria, analytical methods for stress analysis of flexible pipes,...

Survey Of Flexible Piping Systems - US Environmental Protection ...

March 1997 ICF Incorporated Fairfax, VA BACKGROUND For the purposes of this survey, a flexible pipeline is defined as a pipeline constructed of flexible material that can be installed in single long runs without the necessity of regular joints either to extend the length of the line or change directions. This material is usually shipped in rolls that are hundreds of feet long, with the installer cutting lengths to fit the requirements of each installation. Most varieties of flexible piping are available with secondary containment either as an option or an integral part of the primary piping. In all cases, the secondary containment piping will not serve as primary piping. The secondary containment piping is designed to channel leakage back to a sump or monitor point, where it can be detected. Because these pipelines differ significantly from the more traditional steel and fiberglass reinforced plastic (FRP) pipelines, the U.S. Environmental Protection Agency (EPA) has periodically requested a survey of their characteristics and availability. This is the third installment of this survey.1


FLEXIBLE HOSE DATA SHEET EASYFLEX Flexible Sprinkler Drops are designed to significantly reduce labor and installation costs. By eliminating the need for pipe cutting and midline connections, you save valuable time and money. EASYFLEX Flexible Sprinkler Drops can be installed on almost any suspended commercial ceilings. The flexible hose allows for fast installation while our innovative brackets are simple and easy to install. Brackets for T-Bar ceiling grids, wall mount, metal studs, woodbeams, open hat channels, industrial ducts, and cleanrooms. No special tools required, and installation completed in a few easy steps. Flexible hoses come in braided or unbraided types, from 24” to 72” in length. EASYFLEX Flexible Sprinkler Drops Appliance Standards National Fire Protection Association (NFPA): - NFPA 13: Standard for the Installation of Sprinkler Systems - NFPA 13D: Standard for the Installation of Sprinkler Systems in One and Two-Family Dwellings and Manufactured Homes - NFPA 13R: Standard for Installation of Sprinkler Systems in residential Occupancies up to and including four stories in height American Society for Testing and Methods (ASTM): - ASTM C635: Standards specifications for the manufacture, performance, and testing of metal suspension systems for acoustical tile and lay-in panel ceilings...

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