Injectors do not last forever. Changing over to Monark nozzles can boost performance!
What's wrong with my Mercedes?
Quick list of things you can consider to increase performance and mileage
Don't just ignore your turbo charger or major problems can occur!
Plastic guide rails and oiler clips can fail leading to major engine damage
Top problems for diesel owners. Kent recommends starting with the basics
Yes, Kent has seen it first hand. Don't neglect this!
Could be any number of things causing the problem. Proper diagnosis is a must!
Failure of these hoses can lead to total destruction of your engine
Do it very soon unless you know it have been done within the last 50,000 miles.
Good reference material if you plan to replace timing chain and related parts.
Diesel Purge can help you isolate the noise
Most of those annoying leaks can be fixed with our DIY kits
There are a number of reasons - don't throw money at the problem - diagnose first!!!
It is almost always a failed thermostat
This can help smooth out a rough shakey idle on an 5 cylinder turbo diesel
Don't neglect the fuel filter and fuel pump check valves
Before spending any money on a tired or ailing diesel engine - check the compression first
Timing tends to retard over time with wear and chain stretch
Many are surprised to learn there is a filter down inside the pump
Doing it without damaging the wire boot and resistor is easy with the right tool
Applies to 220D 240D 300D 300CD 300TD 300SD 1972 to 1985
This MUST be installed properly when replacing it or timing chain or engine damage can occur!
Alert for all Diesel Owners - Check for loose Intake / Exhaust Manifold Nuts.
A special compound should be used - especially with steel bolts in aluminum threads
This is often neglected and an easy D.I.Y. job
Usually means something is broken or loose in the engine compartment
Failure of these chains can lead to catastrophic engine failure
Sometimes having the right tool is key
A faulty 617 turbo diesel waste gate can really affect engine performance
You of course need the right wrenches - but if one or more won't adjust - what then???
How can you do it without removing them from the engine?
Be sure to check your radiator / expansion tank cap
Fuel injectors will need the most attention
Applies to most models from 1980 to 1995
Common problem due the failed air cleaner mounts and mounting bracket
The best way is to use an oil extractor
It could be turbo seals but it could also be excessive diesel engine blow-by
You can do it with magnets!
These can be hard to see if your engine is dirty and you don't know the exact location
How to tell which one you have?
Even low mileage gas Mercedes as Kent recently discovered.
When you engine wears out - look seriously at swapping in a different engine
Catch them with a diaper before they drip on the ground!
A very common problem that requires MORE than just installing a new rubber gasket
With the right tool and a little know-how it is super easy.
You actually may not need a large tank to thoroughly clean them
The distributor cap has become the number one culprit due to age and neglect!
Avoid the pain of having to drill or cut the bolts off
Sometimes you just have to take a break from working on your diesel... :-)
Biodiesel is not too kind to rubber
This can be a real challenge if the problem comes and goes either warm or hot
Milestone 6 cylinder diesel only available in 1986 and 1987
If the engine has been overheated it is almost never "just a head gasket"
If the break was clean and the tank still solid you can be repair it for less than $50.
Don't just install the engine without taking care of a number of potential problems
Ball joints and pivot points should be lubricated on a 6 to 12 month basis
Summary list of the most common causes and parts needed to fix them Part 2 of 5
You would be amazed at the pesky problems these can create!
How to get the frozen nuts off and the stud back in safely
Very easy to do if you know what to do with that little numbered black box!
Best done from the front crankshaft bolt
Summary list of the most common causes and parts needed to fix them
It is best if you can see and hear it run - if not some tests are essential
You may have to make your own like Kent did...:-)
This is how Kent deals with the problem
If not too far gone you can fix them - and yes it is a miracle!
Fan clutch can make metallic clinking noises
Summary list of the most common causes and parts needed to fix them Part 3 of 5
It is not the problem with the new nozzle - there are other issues that cause poor spray
Here are some quick checks you can do yourself to determine how good the engine is.
It takes work but with the right products and techniques you will be amazed
They can be a little tricky to isolate
A common problem due to failed valve guide seals
Parts are different so it is important to know which engine you have!
Summary list of the most common causes and parts needed to fix them. Part 5 of 5
6 part video series on reasons why you should or shouldn't
Kent has been inspired to design his own series of ultimate shop lights
A real problem when changing an engine or the rubber mounts
They can fall off especially if your exhaust system is sagging or not mounted properly
It could be a number of things causing the problem. Follow Kent's video series
Summary list of the most common causes and parts needed to fix them Part 4 of 5
If you use RTV you can create some real problems
There is a better and cleaner way!
This is normally not due to "leaking seals" inside the turbo charger
Are you concerned about damage to the electrical components and sensitive electronics?
It will require the removal of the serpentine belt
Quite a number of changes for just a one year and final run of the 300D 300CD 300TD 300SD
Monitor your engine temperature gauge in the morning for telltale signs.
This can be difficult to diagnose
Here are some of Kent's favorites - most you should carry in your trunk
How to determine if they need replacement
Most often this can be done without special tools using a helper and a heavy hammer
Do not neglect to give it Kents 30 day exercise program
These can be a little tricky to get on
Too Cold think thermostat - too Hot think a number of possible causes
Your inspection should always include this
With the right instructions this is a beginner DIY job.
You neglect the maintenance here and you WILL pay the price
4 key performance related issues to consider. Do proper troubleshooting first BEFORE buying parts
Alert! Use at your own risk
Pay attention! This is very common and can happen to you if you own a 1968 to 1985 diesel
Check Your Low Pressure Power Steering Pump Hose
An old hose can be very difficult to remove due to age and corrossion
At all costs avoid rounding out the hex head of the bolt!
Some are no longer available new and the last ones will disappear soon
Sometimes they are really stuck on the shaft!
With the right paint and technique YOU can do it yourself!
An ounce of preventation is worth hundreds of dollars in repair
Sometimes fuel injector cleaner can work wonders
Not easy by any means. Options and ways to prevent it are listed here.
We have a special kit with complete instructions so you can fix it yourself.
Could be the starter itself, ring gear on the flywheel or a combination of both
Some special tools can help
This can be a sign that the engine has not been well maintained
If you don't look closely this one can be hard to find!
Sometimes it can be near impossible to get the bolts out and the parts separated
This is Kent's favorite
Find out what it does, how to test it, and what happens if it does not work.
Listen and learn from a live video with sound.
Now the timing marks don't line up - What do I do! - Help...