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DIY: How to Troubleshoot a Power Steering System

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Video tutorial on how to determine if your vehicle does have a faulty power steering system. This video is a walkthrough, there are no procedures shown how to do any tests using any specialty equipment/tools. There are various ways a power steering system can fail and there could be various reasons as to why the system is failing. Sometimes it can be a simple and cheap fix, other times it can be very costly. If you find the system is low on fluid, please consult with your owner’s manual to determine the correct fluid that is used. This particular tutorial was done on a 2003 Dodge Dakota equipped with a 4.7L V8.

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What components can cause issues:
1. Fluid
2. Reservoir tank
3. Drive belt
4. Power steering pump
5. Power steering lines
6. Dump valve
7. Steering rack/box
8. Oil cooler

What to look for:
1. Fluid
-dirty fluid
-old fluid
-low of fluid
2. Reservoir tank
-fluid leaking
-ventilation system not working properly
-plugged filter if equipped
3. Drive belt
-glazing
-cracking
-stretched
-loose
-slipping
4. Power steering pump
-fluid leakage around pump
-belt slippage
-whining sound
-hard steering
5. Power steering lines
-fluid leakage
6. Dump valve
-pressure not building up in system
-too much pressure in the system
7. Steering rack/box
-hard steering
-grinding/crunching
-play in steering
8. Oil cooler
-fluid leaking
-plugged cooler

Tests which can be done:
-an inline gauge can be installed to test the pressure of the hydraulic system, be sure to consult with your vehicle specifications to determine what pressure the system should be operating at
-power steering fluid should be changed every 50,000km (30,000 miles)
-if the belt is loose, tighten it up accordingly if your vehicle is equipped with a manual adjuster

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No part of this video or any of its contents may be reproduced, copied, modified or adapted, without the prior written consent of the author.

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