how to replace corsa servo
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Filed Under (Chevrolet) by admin on 30-12-2010
Automatic Transmission/Torque Converter Clutch (TCC) Shudder, Water in Transmission (Repair Transmission and Replace Transmission Filler Tube, Level Indicator and Seal) Condition Some customers may comment on a shudder condition at approximately 64-80 km/h (40-50 mph) when the TCC engages. Cause This condition may be caused by water in the automatic transmission fluid (ATF). Water may enter the transmission by dripping from the cowl area onto the handle of the transmission fluid level indicator. Indications of water in the ATF may include: • Visible rust on the transmission fluid level indicator. • Visible water in the oil pan. • A milky white substance inside the pan area. • Spacer plate gaskets that appear to be glued to the spacer plate, valve body or case. • Rust on internal transmission iron/steel components. Correction First, repair the transmission and second, replace the transmission fill tube, seal and level indicator to prevent repeat water contamination of the ATF. Transmission Repair 1. Remove the transmission. Refer to the appropriate SI procedure. 2. Disassemble and inspect the transmission. Refer to Unit Repair Automatic Transmission – 4L60-E/4L65-E. Important: If water or coolant is found in the transmission, the following components MUST be replaced. • Replace all of the rubber type seals. • Replace all of the composition-faced clutch plate assemblies including the band. • Replace all of the nylon parts (Thrust Washers). • Replace the torque converter. • Thoroughly clean and rebuild the transmission, using new gaskets and oil filter. • Flush and flow check the transmission oil cooler using J 45096. Refer to Corporate Bulletin Number 02-07-30- 052C or newer – Automatic Transmission Oil Cooler Flush and Flow Test Essential Tool J 45096 TransFlow . Replace the Transmission Fluid Filler Tube, Seal and Fluid Level Indicator WITH the transmission REMOVED from vehicle. 1. Remove the transmission fluid filler tube from the transmission. 2. Replace the transmission fill tube seal, P/N 1259475. 3. Replace the transmission fill tube, P/N 15000220, following the appropriate SI Document for Transmission Installation. 4. Replace the transmission fluid level indicator, P/N 15069769 when appropriate during the transmission installation. Replace the Transmission Fluid Filler Tube, Seal and Fluid Level Indicator with the transmission in the vehicle. 1. Remove the air cleaner outlet duct. Refer to Air Cleaner Element Replacement (SI Document ID# 1364496). 2. Remove the transmission fluid level indicator from the filler tube.
Filed Under (Uncategorized) by admin on 13-10-2010
CONDITION Slight oil seepage from oil seal case Moderate oil seepage from oil seal case ACTION Normal oil evaporation — NOT necessary to replace the shock absorber Normal oil evaporation — NOT necessary to replace the shock absorber Oil leak/drip on the seal case, extending below the spring seat Abnormal oil leak — Replace the shock absorber Oil leak, covering top, spring seat, and part of strut body Abnormal oil leak — Replace the shock absorber Oil leak, covering entire strut body, spring seat, and knuckle bracket Abnormal oil leak — Replace the shock absorber CONDITION Slight oil seepage from oil seal case Moderate oil seepage from oil seal case ACTION Normal oil evaporation — NOT necessary to replace the shock absorber Normal oil evaporation — NOT necessary to replace the shock absorber Oil leak/drip on the seal case, extending below the spring seat Abnormal oil leak — Replace the shock absorber Oil leak, covering top, spring seat, and part of shock body Abnormal oil leak — Replace the shock absorber Oil leak, covering entire shock body and spring seat, and extending to lower bushing Abnormal oil leak — Replace the shock absorber
Filed Under (Chevrolet) by admin on 18-06-2010
DESCRIPTION Cruise control system components include cruise control module (control module and electric stepper motor servo combined), cruise control switch, vehicle speed sensor, and brake and clutch release switches. A vehicle speed sensor buffer is used on 1991 Motorhome and 1992 vehicles. CRUISE CONTROL MODULE Cruise control module is mounted on upper radiator support, to left of radiator (Motorhome), or next to master cylinder (all others). See Fig. 1 . Module incorporates an electronic control module and an electric stepper motor servo. Servo regulates throttle position in response to control module commands. Module is not serviceable.
Filed Under (Ford) by admin on 01-04-2011
Valve Bodies and Intermediate Band Servo NOTE: If a transmission has been disassembled to replace worn or damaged parts and the valve body sticks repeatedly from foreign material, the torque converter must be removed and cleaned by using a mechanically agitated cleaner, such as Rotunda Torque Converter/Oil Cooler Cleaner 014-00028 or equivalent. Removal If solenoid valve body is going to be replaced: Remove solenoid body connector heat shield and loosen both bolts using an 8mm socket. Remove slotted heat shield. CAUTION: Do not attempt to pry tab with pry bar or screwdriver. Remove the heat shield from the transmission before attempting to remove the connector. Remove solenoid body connector by pushing on the center tab and pulling on the wire harness. Check electrical connectors for terminal condition, corrosion and contamination. Repair or replace as required. 1. Position a drain pan under transmission. 2. Remove all transmission pan bolts except the front ones using a 10mm socket. Loosen only the front bolts at this time. 3. Pry the rear of the pan down and allow the fluid to drain. 4. Remove front pan bolts using a 10mm socket. Remove transmission pan. 5. Remove pump inlet filter and seal assembly by carefully pulling and rotating the filter as necessary. If seal remains in bore, carefully remove using O-Ring Tool T71P-19703-C. NOTE: Discard pump inlet filter and seal. CAUTION: Use care not to scratch or damage aluminum pump bore. 6. Remove 11 accumulator body bolts using an 8mm socket and two nuts using a 10mm socket. Remove accumulator body assembly. NOTE: If separator plate is to be left on the transmission, use one of the reinforcing plate bolts in the hole shown to prevent front of plate from sagging and displacing balls. 7. Remove 14 main control body bolts using an 8mm socket and two nuts using a 10mm socket. Remove main control body. NOTE: Do not remove the two bolts as shown on illustration. This will keep the upper and lower control bodies attached as an assembly. 8. Remove nine solenoid body bolts using a T30 Torx® bit and one nut using a 10mm socket. Push down on solenoid body receptacle to remove solenoid body. 9. Remove solenoid screen by rotating and pulling it out. 10. Remove reinforcing plate bolts using an 8mm socket. Remove plate. 11. Lower separator plate and gasket carefully so that check balls, EPC ball and spring are retained. 12. Remove intermediate accumulator regulator filter and spring assembly. Clean or replace filter as required. 13. Depress retaining plate, remove retaining ring, retaining plate, servo piston and rod assembly and servo spring. Installation
Filed Under (Ford) by admin on 18-11-2010
Ford Recommended Maintenance Mileage: Value Package Price: Change engine oil and replace oil filter (Up to 5 quarts of oil. Perform at specified mileage interval or every 6 months, whichever occurs first) – See dealer Perform multi-point inspection – See dealer Rotate and inspect tires; check wheel end play and turning noise – See dealer Inspect automatic transmission fluid level (if equipped with underhood dipstick) – See dealer Inspect brake pads/shoes/rotors/drums, brake lines and hoses, and parking brake system – See dealer Inspect engine cooling system and hoses – See dealer Inspect and lubricate all non-sealed steering linkage,ball joints,suspension joints,half and drive-shafts and u-joints – See dealer Inspect complete exhaust system and heat shields – See dealer Replace engine air filter – See dealer Replace fuel filter – See dealer Inspect 4×2 front wheel bearings; replace grease and grease seals, and adjust bearings – See dealer Change Premium Gold engine coolant – See dealer Inspect accessory drive belt(s) – See dealer Replace PCV valve – See dealer Replace spark plugs – See dealer Replace accessory drive belts (if not replaced within last 100,000 miles) – See dealer Replace rear axle lubricant – See dealer Change automatic transmission/transaxle fluid and filter – See dealer