how to change vauxhall vectra thermostat
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Filed Under (Vauxhall) by admin on 05-06-2011
Coolant loss through the water pump bearing seal is commonly caused by a faulty cooling system pressure cap. With certain designs of the plastic pressure cap, if the cooling system overheats distortion of the pressure relief valve in the cap can cause the valve to stick and result in excessive pressure in the cooling system. It is recommended that the coolant pressure cap is always checked for correct operation, prior to the fitment of a new water pump. Thermostat Testing In order to confirm if the thermostat is operating as required, the correct testing procedure should be adopted. Equipment required : 1) A container of undiluted anti-freeze mixture, to allow the temperature of the liquid to be raised above boiling point. (DO NOT use plain water). 2) A suitable heating element to raise the temperature of the liquid. 3) An accurately calibrated thermometer, with a range suitable for the thermostat to be tested. Testing Lower the thermostat into the container of anti-freeze, along with the thermometer, and heat the liquid slowly to the temperature marked on the thermostat, e.g 88 degrees, whilst agitating the thermostat. Let the temperature remain stable for one minute, then check for initial opening of the thermostat valve, Note: The valve will only just crack open at this temperature. Increase the temperature of the liquid to at least 14 degrees above the initial opening temperature, e.g.102 degrees, again allow one minute, then check the valve is fully opened. Allow the liquid to cool to below the initial opening temperature, then check that the valve is fully closed. Opening and fully open temperatures should be within plus or minus 2 degrees of those stated A build up of sediment coating on the thermostat can adversely effect the performance of the thermostat.
Filed Under (Vauxhall) by admin on 05-04-2011
Disconnect battery. Disconnect harness multi-plug from engine coolant temperature (ECT) sensor Fig.1  . Disconnect harness multi-plug from mass air flow (MAF) sensor Fig.1  . Remove protective cover Fig.1  . Remove plastic tube from wiring harness Fig.1  . Remove insulation tape from wiring harness. Cut engine coolant temperature (ECT) sensor wiring and remove from cable ducting. Cut new engine coolant temperature (ECT) sensor wiring a minimum of 120 mm long. Fit new wiring harness multi-plug to wires Fig.2. Repair wiring with repair kit listed. Seal with insulation tape Fig.3. Remove engine coolant temperature (ECT) sensor. Fit modified engine coolant temperature (ECT) sensor. Tightening torque: 18 Nm. Refit wiring harness multi-plug. Reconnect battery. Erase fault memory.
Filed Under (Chevrolet) by admin on 21-04-2011
This PI was superseded to advise dealers there is no repair for early oil change messages or erratic OlM operation. Please discard PIP4540B. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition I Concern: A dealer may encounter a customer concern of the oil life monitor (OlM) percentage dropping too qUickly, or an early oil change message. A customer utilizing the oil life monitor may be directed to change the oil at (or near) 1000 mile intervals. Recommendation Ilnstructions: Please do not replace the IPC or ECM for an early oil change message. Oil life monitoring is dependent on vehicle use. Oil life monitoring and change intervals will differ depending on how the vehicle is driven. Please complete the current SI diagnostics for any trouble code or symptom found. Engine drivability concerns may induce early oil change messages or erratic OlM operation. Dealers should verify there are no intake or exhaust leaks by completing Charge Air Cooler Diagnosis (Full System Air leak Test and the Induction System Smoke Test). Discuss driving habits with the customer. The main contributor to early or erratic oil change messages may be some of the customers driving habits. Drive cycles that include short trip, stop and go, and extended idle times are a few of the contributors to early oil change messages. Customers with more exhaust regenerations (due to driving habits) are more susceptible to qUicker oil change messages. There is no repair for early oil change messages or erratic OlM operation. If a dealer is to encounter a vehicle with a customer concern of early oil change complete a Field Product Report using the newest version of bulletin 02-00-89-002. Note: If an oil analysis has been completed fuel dilution should not be over 12%.
Filed Under (Vauxhall) by admin on 06-06-2011
Keys, doors, windows, sunroof To raise Turn the rotary switch to any position between d and e. The sunroof w ill automatic ally move to the desired position. When the rotary switch is in position e, the sunroof is fully raised. To lower Turn rotary switch to d. Posit ion memory After the ignition has been switched on, the sunroof c an be automatically returned to its last position b y briefly pressing the rotary switch. Safety function If the sunroof encounters resistance during automatic closing, it is immediately stopped and opened again, as long as the vehicle is stationary. Operated using rotary switch in the overhead control panel. To open Turn the rotary switch to any position between d and ü. The sunroof will automatically move to the desired position. When the switch is in position ü , the sunroof is fully opened . Com fort position Set rotary switch to position f. With the roof in this position, w ind noise is reduced. To close: Turn rotary switch to d. 9 Warning Closing sunroof from outside To close the sunroof from outside with the remote control: Press button p until the sunroof is closed. If the electric windows 3 are to be closed from outside the vehicle, but the sunroof is to be left op en, briefly press the rotary switch before switching off the ignition. Automatic closing 3 See page 33. If when the vehicle is being driven the sunroof encounters resistance during automatic closing, because of the higher closing forces involved the protective function cannot be guaranteed, and there is a risk of injury. If the sunroof movement is stiff, e.g. due to frost, turn rotary switch to d and keep it pressed until the sunroof is closed. Keys, doors, windows, sunroof Sunshade To reduce the sunlight in the interior with the sliding roof closed or raised. O pen or close sunshade as required. When the sunroof is opened, the sunshade is also opened. Overload If the sy stem is overloaded, the power sup ply is automatically cut off for a short time. Fault If the sunroof no longer assumes the desired position automatically , programm e sunroof electronics as follow s: 1. Switch on ignition. 2. Press the rotary switch until the sunroof is shut, then keep it pressed for a t least a further 3 seconds. 3. Turn rotary switch to ü and keep it depressed until the sunroof is open. 4. Turn rotary switch to d and keep it depressed until the sunroof is closed . 5. Turn rotary switch to e and leave there until the sunroof is fully raised. 6. Turn rotary switch to d and keep it depressed until the sunroof is closed . Electrically operated rear window blind 3 Reduces intensity of sunlight shining on to rear seats. Operation w ith ignition switched on. To raise To lower = = Do not operate blind if there are objects lying in front of the rear window. Sun blinds for rear door windows 3 To reduce sunlight a t the rear seats. Pull the blind upwards using the grip and engage it at the top in the door frame. Press N Press N again
Filed Under (Chevrolet) by admin on 10-06-2010
Tests/Procedures: 1. Replace the thermostat and test drive to see if the code returns. Potential Causes: Thermostat Tech Tips: This code indicates the engine has not reached a set temperature based on engine run time. Diagnostic Codes: P0128 43 – Engine Thermostat 3 – Engine Thermostat, Thermostat Housing 2 – Thermostat Housing 1 – Engine Coolant, Engine Thermostat 1 – Engine Coolant 1 – Engine Coolant Temperature (ECT) Sensor, Engine Thermostat