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Re: lossed power steering while driving
Sounds like your relay under the bonnet has gone im fraid, not too hard to change. if this is not the cause then the problem might be a little more difficult to sort out as this will prob be the power steering motor and is a bit of a swine to change.
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Do they just dim a bit? If so, you're probably noticing the reduction in voltage from the engine belt being asked to drive the power steering pump. The engine belt also turns the alternator, which isn't getting as much power from the belt that's now doing 2 jobs. You don't notice this when you're driving because the engine RPMs are higher and the voltage from the alternator is constant. When you're stopped the engine RPMs will drop a bit and so does the voltage available for the lights. You can test this by revving the engine when you are stopped (be sure you are in neutral) and turning the wheel. You shouldn't see the light's flicker when you have the revs up. Let me know if that was the issue.
It sounds like you have a fan belt slipping Check the condition of your belt,or belts. If the belt appears old, and weather cracked, it should be replaced. If the belt is slipping, you would temporarity lose power steering, and the water pump would stop pumping coolant causing the engine to overheat.
Hi , there is a relay timer for the glow plugs,keeps the heater plugs on in start mode for about 10 seconds. it should be in a box on the right side when you lift the bonnet, needs replacing, good luck.
Position a fluid catch pan under the power steering pump.
Disconnect the feed and return hoses from the power steering pump, then drain the excess fluid into the catch pan.
On models equipped with a remote fluid reservoir, disconnect and plug the hose(s) in order to prevent system contamination or excessive fluid loss.
Remove the drive belt from the pulley.
Install a puller tool such as J-25034, or equivalent onto the power steering pump pulley. While holding the pilot bolt, turn the tool nut counterclockwise in order to press the drive pulley from the pump.
When installing the puller tool onto the power steering pump pulley, be sure that the pilot bolt bottoms in the pump shaft by turning the head of the pilot bolt.
Fig. Fig. 2: Installing the pilot bolt
Fig. Fig. 3: Removing the power steering pump pulley
Fig. Fig. 4: Installing the power steering pump pulley
On most models, it may be necessary to unplug the electrical connection from the A/C compressor, unfasten the compressor mounting bolts and set the compressor to one side without disconnecting the lines.
If equipped, unfasten the power steering filler tube bolt and remove the filler tube.
Remove the rear brace retainers and the brace.
Remove the power steering pump-to-bracket bolts and then remove the pump from the vehicle.
Position the pump to the vehicle and secure using the front retaining bolts to 22 ft. lbs. (30 Nm) 2.2L engines. (50 Nm). On 4.3L engines tighten the bolts to 37 ft. lbs. (50 Nm).
If equipped, install the rear brace and tighten the retainers to 22 ft. lbs. (30 Nm) on 1994-98 2.2L engines. On 1999 2.2L engines, tighten the brace retainers to 37 ft. lbs. On 1994 4.3L models tighten the retainers to 24 ft. lbs. (33 Nm). On 1995-99 4.3L models, tighten the retainers to 31 ft. lbs. (41 Nm).
If removed, install the A/C compressor.
If removed, install the filler tube and its retainer. Tighten the retainer to 15 ft. lbs. (20 Nm).
Use a pulley installer such as J-25033 or equivalent to press the drive pulley onto the power steering pump. While holding the pilot bolt, turn the tool nut clockwise in order to press the drive pulley onto the pump. Check that the pulley is flush within 0.010 in. (0.25mm) of the shaft end.