Question about 2004 Aprilia Caponord Rally Raid

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Valve Inspection

Anybody out there have a step-by-step guide to do a valve inspection?

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Let us know what measurements you will find. BTW I am planning to check the valves of my Cappy only at the 25k miles mark.also look here-http://www.geocities.com/sl_mille/valves.html ,

Posted on Nov 10, 2008

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Where is the torque converter clutch solenoid located P0744


troubleshooting?
  • cvt re0f10a
p0744 torque converter

description
this malfunction is detected when the torque converter clutch does not lock-up as instructed by the tcm. this is not only caused by electrical malfunction (circuits open or shorted), but also by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc.

dtc logic

dtc detection logic
159975295

dtc confirmation procedure

caution:
always drive vehicle at a safe speed.

note:
if "dtc confirmation procedure" has been previously performed, always turn ignition switch off.
then wait at least 10 seconds before performing the next test.
1.check dtc detection
with consult-iii
  1. turn ignition switch on.
  2. select "data monitor".
  3. start engine and maintain the following condition for at least 30 seconds.
159894994

with gst
follow the procedure "with consult-iii".
is "p0744" detected?
yes - go to see: cvt re0f10a.
no - check intermittent incident. refer to see: testing and inspection\initial inspection and diagnostic overview\intermittent incident.

diagnosis procedure
1.check line pressure
perform line pressure test. refer to see: transmission and drivetrain\continuously variable transmission/transaxle\testing and inspection\initial inspection and diagnostic overview\cvt re0f10a.
is the inspection result normal?
yes - go to 2.
no - repair or replace damaged parts.
2.check torque converter clutch solenoid valve
  1. turn ignition switch off.
  2. disconnect cvt unit connector.
  3. check torque converter clutch solenoid valve. refer to see: cvt re0f10a. is the inspection result normal?
yes - go to 3.
no - repair or replace damaged parts.
3.check lock-up select solenoid valve
check lock-up select solenoid valve. refer to see: cvt re0f10a.
is the inspection result normal?
yes - go to 4.
no - replace transaxle assembly. refer to see: transmission and drivetrain\continuously variable transmission/transaxle\service and repair\removal and replacement\cvt re0f10a\transaxle assembly\exploded view.
4.check secondary speed sensor system
check secondary speed sensor system. refer to see: p0720\cvt re0f10a.
is the inspection result normal?
yes - go to 5.
no - repair or replace damaged parts.
5.check primary speed sensor system
check primary speed sensor system. refer to see: p0715\cvt re0f10a.
is the inspection result normal?
yes - go to 6.
no - repair or replace damaged parts.
6.detect malfunctioning items
check tcm connector pin terminals for damage or loose connection with harness connector.
is the inspection result normal?
yes - replace tcm. refer to see: powertrain management\transmission control systems\control module, cvt\service and repair\cvt re0f10a\exploded view.
no - repair or replace damaged parts.

component inspection (torque converter clutch solenoid valve)
1.check torque converter clutch solenoid valve
159962448

check resistance between cvt unit terminal 12 and ground.

159975296

is the inspection result normal?
yes - inspection end
no - perform "self-diag results" mode for "transmission".

component inspection (lock-up select solenoid valve)
1.check lock-up select solenoid valve

159962449

check resistance between cvt unit terminal 13 and ground.

159975297

is the inspection result normal?
yes - inspection end
no - replace transaxle assembly. refer to see: transmission and drivetrain\continuously variable transmission/transaxle\service and repair\removal and replacement\cvt re0f10a\transaxle assembly\exploded view.

Jan 21, 2015 | 2010 Nissan Altima 2.5

1 Answer

My 2008 chevy avalanche is burning 1 quart of oil every 1000 miles


How many miles on your vehicle ? Do you see any leak spots on the ground from the truck ? Blue exhaust , oil burning , valve guide seals , piston rings , PCV clogged .

Oil Consumption Diagnosis
Checks
Causes
Excessive oil consumption, not due to leaks, is the use of 1 L (1 qt) or more of engine oil within 3 200 kilometers (2,000 miles).
Preliminary
The causes of excessive oil consumption may include the following conditions:
• External oil leaks
Refer to Oil Leak Diagnosis .
• Incorrect oil level or improper reading of the oil level indicator
With the vehicle on a level surface, run the engine for a few minutes, allow adequate drain down time, 2-3 minutes, and measure for the correct engine oil level.
• Improper oil viscosity
Refer to the vehicle owners manual and use the recommended SAE grade and viscosity for the prevailing temperatures.
• Continuous high speed driving and/or severe usage
• Crankcase ventilation system restrictions or malfunctioning components
Refer to Crankcase Ventilation System Inspection/Diagnosis .
• Worn valve guides and/or valve stems
• Worn or improperly installed valve stem oil seals
Refer to Spark Plug Inspection .
• Piston rings broken, worn, or not seated properly
Allow adequate time for the rings to seat.
Replace worn piston rings, as necessary.
Refer to Cylinder Leakage Test .
• Piston and rings improperly installed or not fitted to the cylinder bore
Refer to Lower Engine Noise, Regardless of Engine Speed

Jun 14, 2014 | 2008 Chevrolet Avalanche

1 Answer

Hyundai santafe 2004 how to fix p0456...or what are ur suggestions for repair? i was advised to change the gas cap!


Here's the procedure:

Purge Control Solenoid Valve (PCSV) Line Inspection
1. Ignition "OFF".
2. Disconnect the hose leading from the PCSV to the intake manifold at PCSV.
3. Using a vacuum pump, apply specified vacuum(Approx. 15 in, Hg) to the manifold side of the valve and verify PCSV holds vacuum.
4. Ignition "ON" & Engine "OFF".
5. Install scantool and select "EVAP PURGE VALVE" on the Actuation Test mode.
6. Activates "EVAP PURGE VALVE" by pressing "STRT(F1)" key.
7. Verify PCSV release vacuum while valve is activating(should hear a faint click from PCSV).
8. Repeat this procedure 4 or 5 times to ensure PCSV reliability.
9. Is PCSV working properly?
YES
? Go to "Canister Closing Valve(CCV) Line Inspection" procedure.
NO
? Verify arrow on PCSV is pointing towards intake manifold. If it is not, reverse installation. Reinstall as necessary.
? If OK, check for cracks or damage in hose connecting PCSV and intake manifold. Repair or replace as necessary.
? If OK, test with a new PCSV and check for proper operation. If problem is corrected, replace PCSV and go to "Verification of Vehicle Repair" procedure.
Canister Closing Valve(CCV) Line Inspection
1. Return vehicle to original condition.
2. Ignition "OFF".
3. Disconnect the hose connecting Canister Closing Valve(CCV) to canister.
4. Blow air to the canister side of the valve and verify air escapes to the air filter side.
5. Turn ignition on and jumper a wire to GND(back probe) at terminal 2 of the ECM connector(CCV valve should click).
6. Blow air into hose and verify air does not escape.
7. Repeat this procedure 4 or 5 times to ensure CCV reliability.
8. Is CCV working properly?
YES
? Go to "Fuel Tank Pressure Sensor Inspection" procedure.
NO
? Check for cracks or damage in hose connecting CCV and canister. Repair or replace as necessary.
? If OK, replace CCV. If CCV was stuck closed, inspect all lines and canister for liquid fuel. Replace any contaminated components and blow out lines and go to "Verification of Vehicle Repair" procedure.
Fuel Tank Pressure Sensor Inspection
1. Start engine and install scan tool.
2. Monitor "FUEL TANK PRESSURE" parameter on the current data list with depressing increasing engine speed.
Specification : Signal value will vary between -2mmHg to 2 mmHg depending on variation in engine speed.
A. Approx. 0~2 mmHg(2.5V) at Ig. On
B. Approx. 0 mmHg at 1400rpm .
C. Approx. -2 mmHg at 4000rpm.

3. Is signal value within specification?
YES
? Go to "PCSV to Canister Line Inspection" procedure.
NO
? Check for cracks or damage in hose connecting canister and fuel pump. Repair or replace as necessary.
? Check for open or short in FTPS harness. Repair as necessary.
If OK, test with a new FTPS and check for proper operation. If problem is corrected, replace FTPS and go to "Verification of Vehicle Repair" procedure.
PCSV to Canister Line Inspection
1. Check for leakage in hose.
(1) Disconnect the hose leading from the canister to the PCSV at canister.
(2) Using a vacuum pump, apply specified vacuum[Approx. 10cmHg(4 inHg)] to the manifold side of the valve and verify PCSV holds vacuum.
(3) Monitor vacuum pressure for 1 minute. After 1 minute, pressure should not drop more than 2cmHg(0.8 inHg).
(4) Is pressure within specification?
YES
? Go to "2. Check for leakage in canister" procedure.
NO
? Check for cracks or damage in hose connecting PCSV and canister. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure.

2. Check for leakage in canister.


Thoroughly check all fuel vapor hoses and hose clamps between:
1. Canister and fuel tank.
2. Canister and CCV.
3. Canister and PCSV.

If NG, replace hose or clamps as necessary and go to "Verification of Vehicle Repair" procedure.
If OK, go to next step as below.
(1) Disconnect hose clamps and remove canister assembly .
(2) Block the hose of between:
A. Canister and fuel filler neck.
B. Canister and CCV.
C. Canister and PCSV.

(3) Apply maximum of 10cmHg(4 inHg) pressure through fuel tank port from canister.
(4) With system sealed and pressurized, check for leaks.
(5) Were any leak(s) found?
YES
? Repair or replace leaking system component(s) and go to "Verification of Vehicle Repair" procedure.
NO
? Go to "Fuel Tank Line Inspection" procedure.

Fuel Tank Line Inspection
1. Relieve the fuel system pressure and remove the fuel tank.


Before removing the fuel tank, make sure the fuel hoses are not leaking.

2. Block all of the following outlets:
(1) Fuel lines.
(2) Fuel filler neck.

3. Apply maximum of 10cmHg(4 inHg) pressure to the EVAP. hose at the fuel tank. Then, pinch the EVAP. hose to retain the pressure.
4. Check the suspect area for leaks with a soap solution.
5. Were any leak(s) found?
YES
? Repair or replace leaking system component(s) and go to "Verification of Vehicle Repair" procedure.
NO
? Check for poor connection between ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "Verification of Vehicle Repair" procedure.

Jun 30, 2011 | 2003 Hyundai Santa Fe

2 Answers

How do you change the oil pump in a 1995 Lumina van with a 3.8?


REMOVAL

  1. Remove front cover.
  2. Remove oil filter adapter, pressure regulator valve and spring.
Fig. 16 Oil Pump & Housing 42162079

  1. Remove oil pump cover attaching screws, then the cover and gears, Fig. 16 .
INSPECTION

  1. Check pump cover and housing for cracks, scoring, porous or damaged casting, damaged threads or excessive wear or galling. Replace as required.
  2. Check pressure regulator valve for scoring, burrs or sticking in valve bore. Replace as required.
  3. Check pressure regulator valve spring for tension loss or bending, replace spring as required.
  4. Check gears for chipping galling or excessive wear, replace as required.
Fig. 17 Oil Pump Inner Gear Tip Clearance Inspection 42162080

  1. Measure oil pump inner gear tip clearance, Fig. 17 . Maximum clearance should be 0.006 inch.
Fig. 18 Oil Pump Outer Gear Diameter Clearance Inspection 42162081

  1. Measure oil pump outer gear diameter clearance, Fig. 18 . Clearance should be 0.008-0.015 inch.
Fig. 19 Oil Pump Gear End Clearance Inspection 42162082

  1. Measure oil pump gear end clearance with gear dropped in housing, FIG 19. Clearance should be 0.0010-0.0035 inch.
  2. Measure pressure regulator valve for valve to bore clearance of 0.0015-0.003 inch.
INSTALLATION

  1. Lubricate all gears with clean motor oil, then install gears in housing.
  2. Pack pump cavity with suitable petroleum jelly.
  3. Install pump cover and cover attaching screws. Tighten cover attaching screws to specifications.
  4. Install pressure regulator valve and spring.
  5. Install oil filter adapter using a new gasket, tighten oil filter adapter attaching bolts to specifications.
  6. Install front cover on engine. During front cover installation, ensure inner pump gear is properly engaged on crankshaft sprocket.

Jan 29, 2011 | Chevrolet Lumina APV Cars & Trucks

1 Answer

My oil is going some where but i dont know where in my 1997 chevy silverado


If you are blowing white smoke on start up, it could be your piston rings, valve guides, or valve guide seals. Valve cover gasket, especially towards the back also likes to leak, and would be hard to detect as it gows down the rear of the engine, bell housing and transmission.

Remote oil filters on many trucks can have fittings vibrate loose after many years of service. Start the vehicle, let it warm up, and do a slow deliberate, walk around inspection, looking for oil, smelling for burning oil, and anything out of the ordinary.

Non of this would suffice for a thorough inspection by either a mechanic or a learned friend. Keep an eye on your fluid levels, residue and build up around your exhaust is indicative of oil blow by from worn piton rings.

Jan 06, 2011 | 1997 Chevrolet K1500

1 Answer

PCV valve failed visual inspection during smog test, but the car passed physical smog test. How to replace 2002 Ford Escape PCV valve assembly?


remove the hose to the PCV and It simply pulls out and a new one is pushed in and hose is inserted back on. It's kind of like a cork. I can not believe they check for visual inspection. Here in SC, we don't have inspections. But anyways, GOOD LUCK

Oct 03, 2010 | 2001 Ford Escape

2 Answers

Mazda 3 code p0734


DTC P0734 Gear 4 incorrect (incorrect gear ratio detected) DETECTION CONDITION
• The PCM monitors revolution ratio of the forward clutch drum revolution to the differential gear case revolution when the following monitoring conditions are met. If the revolution ratio is below 0.6 or 1.25 or more, the PCM determines that there is a malfunction. Monitoring condition: - ATF temperature 20 °C {68 °F} or more - Driving in 4 GR in D or M range - Engine running - Turbine speed within 225-4,987 rpm - Vehicle speed 50 km/h {31 mph} or more - Closed throttle position - Differential gear case (output) revolution speed 35 rpm or more - None of the following present: DTC P0500, P0706, P0707, P0708, P0712, P0713, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 Diagnostic support note: • This is a continuous monitor (CCM). • The MIL does not illuminate. • The AT warning light illuminates if the PCM detects the above malfunction condition during the first drive cycle. • FREEZE FRAME DATA is not available. • A PENDING CODE is not available. • The DTC is stored in the PCM memory. POSSIBLE CAUSE
• ATF level low • Deteriorated ATF • Shift solenoids A, B or C stuck • Pressure control solenoid stuck • Line pressure low 2-4 brake band slipping 3-4 clutch slipping • Forward clutch slipping • Control valve stuck (Bypass or 3-4 shift valve) • Oil pump malfunction • PCM malfunction
Diagnostic procedure
STEP INSPECTION ACTION 1 VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related Service Bulletins and/or on-line repair information availability. • Is any related repair information available? Yes Perform repair or diagnosis according to the available repair information. No Go to the next step. 2 INSPECT ATF CONDITION
• Inspect the ATF condition. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION.) • Is it normal? Yes Go to the next step. No Replace the transaxle, then go to Step 8. 3 INSPECT ATF LEVEL
• Start the engine. • Warm up the ATX. • Is the ATF level within the specification? (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION.) Yes Go to the next step. No Add ATF to the specified level, then go to Step 8. 4 INSPECT SHIFT SOLENOID VALVE A AND D FOR CLICK SOUND
• Perform operation inspection. (See SOLENOID VALVE INSPECTION.) • Verify the click sound of shift solenoids A and D when applying B+ to each transaxle terminal. Note • The click from solenoid D is barely audible. Remove solenoids to correctly inspect if necessary. • Was a click heard from solenoids? Yes Go to the next step. No Replace the solenoid where you could not hear click sound, then go to Step 8. (See SOLENOID VALVE REMOVAL/INSTALLATION.) 5 INSPECT LINE PRESSURE
• Start the engine. • Measure the line pressures. Specification
Idle: 330-470 kPa {3.4-4.7 kgf/cm2, 48-68 psi}
Stall:
1,090-1,250 kPa {11.2-12.7 kgf/cm2, 159-181 psi} (Z6)
1,160-1,320 kPa {11.8-13.5 kgf/cm2, 168-191 psi} (LF)
• Are the line pressures within the specifications? (See Line Pressure Test.) Yes Go to the next step. No All ranges: Replace the oil pump, then go to Step 8. Any ranges: Replace the control valve body, then go to Step 8. (See CONTROL VALVE BODY REMOVAL.) (See CONTROL VALVE BODY INSTALLATION.) 6 INSPECT STALL SPEED
• Measure the stall speed in D range. (See Stall Test.) Specification
2,100-2,700 rpm (Z6)
2,000-2,600 rpm (LF)
• Is the stall speed within the specification? Yes Go to the next step. No Replace the automatic transaxle, then go to Step 8. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [Z6].) (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [LF].) 7 INSPECT FREQUENCY OF INPUT/TURBINE SPEED SENSOR WHEN DRIVING VEHICLE
• Turn the ignition switch to the LOCK position. • Connect the WDS or equivalent. • Start the engine. • Measure the frequency of input/turbine speed sensor while driving vehicle under the following conditions: - Vehicle speed (VSS PID): 80 km/h {49 mph} - Drive in the D range, 4GR - Throttle opening angle (TP PID): approx. 25% • Was the frequency of the input/turbine speed sensor at approx. 1,200 Hz? Yes Go to the next step. No Replace the control valve body, then go to the next step. (See CONTROL VALVE BODY REMOVAL.) (See CONTROL VALVE BODY INSTALLATION.) 8 VERIFY REPAIR OF DTC P0732
• Make sure to reconnect all the disconnected connectors. • Clear the DTC using the WDS or equivalent. • Start the engine. • Warm up the transaxle. • Drive the vehicle under the following conditions for more than 5 s: - ATF temperature: 20 °C {68 °F} or more - Drive in the D range, 4GR - Throttle opening angle (TP PID): 0% - Vehicle speed (VSS PID): 50 km/h {31 mph} or more • Are any DTCs present? Yes Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [ZJ, Z6].) (See PCM REMOVAL/INSTALLATION [LF].) No Go to the next step. 9 VERIFY AFTER REPAIR PROCEDURE
• Perform the "After Repair Procedure". (See AFTER REPAIR PROCEDURE [FN4A-EL].) • Are any DTCs present? Yes Go to the applicable DTC inspection. No DTC troubleshooting completed. click here to refer to this reference.
if you need further assistance please let me know and i will be glad to assist you further. Thanks, Midwest-tek

Aug 31, 2010 | Mazda MAZDA3 Cars & Trucks

1 Answer

Water is not coming out of the dispenser and ice maker is not working.I just replaced the water filter with a new one, and nothing seems to be working?


HI. This will be a water inlet valve issue. The procedure below will guide you through the necessary inspection needed to confirm the damage.

The water inlet valve is located behind your refrigerator. Find the water supply line coming into the valve and turn it off at the source (typically under the sink). Disconnect the supply line. Remove the screws that secure the inlet valve in place.

The water inlet valve is connected by two wires. Label the wire placement on the water inlet valve before disconnecting the wires. The wires are connected to the terminals with slip on connectors

Firmly pull the connectors off of the terminals (do not pull on the wire). You may need to use a pair of needle-nose pliers to remove the connectors. Inspect the connectors and the terminals for corrosion. If the connectors are corroded they should be replaced.

Inspect the filter screen where the supply line connects. Remove any debris or deposits that may have built up using a toothbrush, or warm running water. If you cannot clear the clog, it will be necessary to replace the valve (the filter is not removable on most inlet valves).


Test the water inlet valve for continuity using a multimeter. Set the multimeter to the ohms setting X100 (if available, otherwise use the nearest ohm setting). Place a probe on each terminal. The multimeter should display a reading of 200 to 500 ohms. Close inspection of the inlet valve and especially the coil may reveal the exact ohm resistance rating to test for. If the water inlet valve does not pass this test, it should be replaced.

Dec 13, 2009 | Kenmore 57029 Side by Side Refrigerator

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