Kent's Factory Service Manuals collection is going on sale now. CLICK HERE.
If your engine is taking too long to heat up or is constantly running "hot" it is probably time to replace the thermostat. Kent explains in the video below some other parts you should consider replacing at the same time.
New water pump and gasket as shown. Plan to change the short hose and thermostat at the same time. Inspect v-belts and change if cracked.
The bearing in this pulley wears out at 80,000 to 120,000 miles and can cause rumbling sounds while the engine is running. A good time to plan to replace or at least inspect this is when you change the V-belts.
If you have one belt that is going bad, replace them all simultaneously. You don't want to have to do this job again in the near future.
This is not a complete set. Study the picture carefully. This is exactly what you will get.
This will replace the plate with cracked or striped out threads on your oil pressure line. Gasket available separately below.
This is a complete kit. Aftermarket new plastic breather tube with rubber attachment elbows, one new clamp, and a zip tie. You can see below how it installs on a turbo 300TD wagon. Watch the video for more specific details.
This will be instructional information that you can not find anywhere else! The focus of the 25-minute video will be on removing and replacing the oil cooler thermostat once the oil filter housing is removed for a 1977 to 1985 engine ( excluding the 190D).
Want to find out if your oil cooler thermostat is working correctly? In this 22-minute video, Kent will take you through a test sequence that you can perform in your garage. Please note that this video DOES NOT include details of removing or replacing the oil filter housing.
We know it is a surprise to many owners to discover there is a small thermostat inside the oil filter housing. Rather than write about it, watch the video below and Kent will explain the theory of operation and how to get it it.
Set of two new aluminum washers as shown.
This OEM thermostat from another engine fits perfectly in the OM617 diesel engine. It does require a special rubber seal, which we include here.
Removing the front rubber engine mounts requires getting under the car and going up inside a hole in the subframe to remove the main bolt. And it can be a bear! I don't know who they hired to tighten these at the factory, but he must have been a brute.
We know you want the best for your 560 engine. These ARE the best tune-up parts you can buy. To add new spark plugs see related products below:
Complete set of new ignition wires as shown.
New in 2023. This is "almost" ready to install. You will need to install some parts from your existing turbo charger once you remove it from the engine. Watch the video below for a full explanation.
In this 14 minute instructional video, Kent will share with you the tools you will need along with some tips and tricks that will help you successfully remove a prechamber from the cylinder head. This can be done with the head on or off the engine.
Includes Kent's four detailed videos on every aspect of this job! This is our combination kit for DIY installation of a new front crank seal in an OM617 turbo diesel engine. Price if purchased individually is $174.00.
Good used set of valves for OM617 turbo cylinder heat. Includes all parts as shown (valves, springs, rotators, and spring caps. 10 THIN adjusting nuts INCLUDED. No valve cap nuts. Only parts shown in the picture are the actual items you will receive.
380 engines tend to run hot. As long as it is not too hot it won't hurt the engine but that extra heat is not kind to rubber and plastic parts.
Upgraded top seals for better and longer-lasting sealing properties and well as standard green seals for the bottom of the injector holder. With these seals you can clean and reuse your existing fuel injector holders / sleeves.
Damage to these is becomming more common as they engines age. If your fuel injectors are not firing fuel properly the ends of the prechambers cac burn right off causing all sorts of "weird" engine performance problems.
This fits all Mercedes V8 engines listed in the title from 1981 to 1991 including the sedans, the SL and SEC models. I compare fan clutches to shock absorbers. They wear out slowly over time and you don't feel or see the difference until you actually replace it with new.
In this 13 minute instructional video Kent will demonstrate how to remove an old fan clutch and replace it with a new one on a 1983 380SL This is a beginner D.I.Y. job and no special tools are required. This video is included free of charge with the purchase of our Later V8 fan clutch kit.
This custom-made thin head wrench by Kent Bergsma can save the day and your pocketbook. It is very important that you hold the fitting base on the oil cooler when removing the oil cooler hoses. A regular 22mm wrench is almost always too thick and can also cause damage.
This is a great solution to what is sometimes a nagging problem. This heavy duty and flexible and adjustable plastic spacer can be put on the top or bottom radiator to prevent chafing in and area where it might come in contact the the engine or the radiator.
Why is this so important? It is primarily due to the age of these cars now and the fact that lurking problems can be hidden from visual inspection. There is not ONE diesel that Kent has looked at in the last five years that does not need this service! Even ones with under 150,000 original miles.
Planning to replace the head gaskets on your older v8 engine. You should have this tool on hand before you start. You don't think so? Watch the video and then decide.
Version 4 update 2/22: New color and style but still does the same job. This is one of the key tools you will need to remove stubborn pre chambers from the cylinder head of your old diesel engine.
Tightens and Removes Collar Nuts on 220D 240D 300D 300CD 300TD 300SD 300SDL 190D 2.2 1969 to 1987. Works on most Mercedes diesel engines up through 1987 only.
This video ONLY covers some of Kent's "tips and tricks" on installing a harmonic balancer back onto the front of the crankshaft on an old Mercedes engine. The specific procedure was filmed while doing a front crank seal replacement on a 1983 240D.
We starting using some of these to plug brake lines while changing out calipers. Then we started using them on fuel and oil hoses. Now we are using them all over the place and keep finding new uses for them on a monthly basis. These are a MUST HAVE! Watch the video below to become a believer!
Kent modified this puller and developed a procedure to remove the front crank seal race so the job could be affordable from the DIY mechanic. This costs less than half the cost of the factory tool.
These are the best wires you can get for your 1981 to 1985 380SL 380SLC 380SE 380SEL 380SEC and 500SEL. The coil wire is included. Consider replacing your cap, rotor, and CORRECT spark plugs at the same time. See related products below:
When doing a compression test you must properly seal the inner surface of the pre-chamber with the fuel injector hole adapter. Copper washers work the best for this to ensure a 100 percent seal. Do not use the engine's heat shield washers.
This 25-minute video is a supplement to Kent's other instructions on replacing diesel engine front crank seals. It is offered free of charge with one of the seal replacement kits.
In this video Kent will share some set up tips as well as explain what is in the compression tester and an overview of how it is used.
This video will show you how to remove the front crank seal race using the factory tool and using Kent's custom puller. It will also demonstrate a very easy way to install a new replacement race before installing a new seal.
Kent modified this puller and developed a procedure to remove the front crank seal race so the job could be affordable from the DIY mechanic. This costs less than half the cost of the factory tool.
Two new wing nuts. These have wider wings so they are easier to loosen and tighten. Replace the nut that most people install after the wing nut has been lost!
Excellent used emergency stop lever as shown with good rod bushing. rod spring and C-clip included. Stop decal in good condition.
PDF DOWNLOAD FINALLY AVAILABLE of our popular 'Preventing Catastrophic V8 Engine Failure' Manual!!
Applies to the following chassis: 111, 108, 109, 107, 116, and 126. Includes 3.5, 4.5, 350, 380, 450, 500, 420, and 560 V8 engines from 1970 to 1991.
You might be surprised to realize you spark plug holes need cleaning - and yes some REALLY need cleaning! This 5-minute video will demonstrate Kent's method of cleaning the threads in the cylinder.
This video will walk you step-by-step through the proper procedures for doing a full compression test on your older V8 Mercedes Engine.
Replacing a distributor cap is easy right. No problem?? If it were I would not get so many emails and why the engine won't run right after changing the cap and rotor. This is a short eight and a half minute video but the tips I share could save you some big headaches.
Diesel idling too fast. Diesel idling too slow. Diesel shaking at idle. Transmission jerks with shifting from Park to Drive. These are some of the symptoms that might indicate your engine's idle speed is not adjusted correctly.
Diesel idling too fast. Diesel idling too slow. Diesel shaking at idle. Transmission jerks with shifting from Park to Drive. These are some of the symptoms that might indicate your engine's idle speed is not adjusted correctly.
PLEASE read the instructions below carefully on how you will view this video. It is NOT downloaded to your computer and viewing is NOT automatic. You must be logged in at Mercedessource.com and you MUST click on "my account".
Hard to believe we took so long to come up with this tool. It was Gerson's genius that made it happen. The secret turned out to be the hook that keeps the tool in place while stretching out the rubber donut. Wow! What a cool tool.
Good used rocker arm assemblies as shown. This is the actual set you will receive.