Do it very soon unless you know it have been done within the last 50,000 miles.
What's wrong with my Mercedes?
It is almost always a failed thermostat
Most of those annoying leaks can be fixed with our DIY kits
A special compound should be used - especially with steel bolts in aluminum threads
Many are surprised to learn there is a filter down inside the pump
Failure of these chains can lead to catastrophic engine failure
You would be amazed at the pesky problems these can create!
Special tools are needed but you can still run into problems
It could be a number of things causing the problem. Follow Kent's video series
It is best if you can see and hear it run - if not some tests are essential
If you don't fix it the problem will get worse and the coolant hose will leak
Check Your Low Pressure Power Steering Pump Hose
It is not the problem with the new nozzle - there are other issues that cause poor spray
How can you do it without removing them from the engine?
If not too far gone you can fix them - and yes it is a miracle!
6 part video series on reasons why you should or shouldn't
You can do it with magnets!
They can be a little tricky to isolate
Best done from the front crankshaft bolt
If you use RTV you can create some real problems
It takes work but with the right products and techniques you will be amazed
How to determine if they need replacement
Monitor your engine temperature gauge in the morning for telltale signs.
Adjustment procedure must be followed properly!!!
You actually may not need a large tank to thoroughly clean them
Do not neglect to give it Kents 30 day exercise program
Alert! Use at your own risk
Too Cold think thermostat - too Hot think a number of possible causes
If the engine has been overheated it is almost never "just a head gasket"
With the right paint and technique YOU can do it yourself!
An old hose can be very difficult to remove due to age and corrossion
How to get the frozen nuts off and the stud back in safely
Now the timing marks don't line up - What do I do! - Help...
Be sure to check your radiator / expansion tank cap
Are you concerned about damage to the electrical components and sensitive electronics?
You may have to make your own like Kent did...:-)
Avoid the pain of having to drill or cut the bolts off
Here are some of Kent's favorites - most you should carry in your trunk
Kent has been inspired to design his own series of ultimate shop lights
They can fall off especially if your exhaust system is sagging or not mounted properly
Your inspection should always include this
There is a better and cleaner way!
These can be a little tricky to get on
At all costs avoid rounding out the hex head of the bolt!
Most often this can be done without special tools using a helper and a heavy hammer
Sometimes fuel injector cleaner can work wonders
This is Kent's favorite
You neglect the maintenance here and you WILL pay the price
The best way is to use an oil extractor
Sometimes they are really stuck on the shaft!
Ball joints and pivot points should be lubricated on a 6 to 12 month basis
With the right tool and a little know-how it is super easy.
Could be the starter itself, ring gear on the flywheel or a combination of both