After a power steering flush can other things happen to require further mechanical work such as replacement of power steering pump hose rack and pinion?
ALL RUBBER COMPONENTS (HOSES/BELTS) SHOULD BE REPLACE RIGHT ABOUT EVERY TWO(2) years.now your rack and pinion should only be replace if is going bad or if is already bad. For example once the inner bushings on your tie rods brakes or crack, the entire unit needs to be replaced. if the rack is leaking it needs to be replace Even if there is NO noticeable changes in your steering of the vehicle. This is done for SAFETY REASONS.
A timing chain does not need to be replaced. Sometimes they can go bad and will make noise, or can get a bad link, requiring replacement. Timing BELTS require periodic replacement because they are rubber and wear out over time. Chains are good until they experience mechanical breakdown due to excessive wear.
There does not have to be a medium. Light does not require a medium. Mechanical waves require a medium Answer 2: Not all waves require a medium for their transmission. Mechanical waves require a medium for their transmission because it is the molecules of the medium which cause the wave to propagate. However, electromagnetic waves do NOT require a medium. (for example light)
Roofs require occasional replacement, generally every 20 to 30 years depending on the rating of your roofing materials. Some Insurance Companies will require you update your roof for continued coverage once it has reached it's expected lifespan. Some companies will allow you to exclude further roof coverage and maintain the rest of your policy. Answer give my roof back u ugly insurance company never trust nation wide to date
A revision knee replacement is done when a knee replacement has failed (eg has loosened). If it was originally a partial knee replacement that was done, it will be replaced with a total knee replacement, if it was originally a total knee replacement, a new total knee replacement will be done. Approx 1.4% of patients require a repeat Total Knee Replacement, known as a Revision Knee Replacement