If you are hearing strange noises from the front of your 1986 to 1993 six cylinder gas engine, you will need to remove the belt to troubleshoot the problem. P.S. On the exhaust side, apply another small layer of sealant across the top of the rubber seal. Ssangyong (South Korean brand) made a 3.6 litre variant of M104 inline-six engine based on the 2.8 litre model, producing 248hp (185kW; 251PS) or 276hp (206kW; 280PS) on earlier versions, for its Chairman model, a full-size luxury sedan. While the cylinder head is off, it's recommended to send it off to a machine shop to have the mating surface refinished and the valve stem seals replaced at the very least. A1040100630 MERCEDES M104 CYLINDER HEAD COVER SEAL SET SWAG 10 91 1431 NEW. There is quite a bit of work that will need to be done before the head is ready to go back on. Learn how to fix it yourself. Install upper timing cover with guide rail. Remove coil packs T30 bolts and spark plug wires. The M104.98x engines share the same fan clutch as the older M103 predecessor. Oil leaks from gaskets under the cylinder head cover and oil filter. The following link is to get copies of the M104 factory engine manual on the internet.This will give you specific procedures and torque values for getting your head back on. And as I mentioned, turns out the head is not from 3.0 24v, but from facelift W124 with M104 (104.992). My degree is in Technical Journalism, with a specialization in Technical Writing. This is not a beginner mechanic job! Otherwise a flat razor edge can also work as well. He is considered very knowledgable. It came off of a 1993 E320. Mercedes-Benz Sedan / Coupe / Wagon Forums. Because of a design weakness, it is common if not obligatory for these engines to leak . Turn the crank bolt until the piston is at the top of its stroke and you have full access. The clear stuff should also be available. Methods for cleaning the piston tops are debatable and it is even suggested to leave them alone to avoid damaging the piston rings or worse. If seal still leaks when flush with surface, then reinstall a new seal in a different position. The M104 which I have in my W140 (104.990) has double springs too. I didn't know what the hell I was doing with the M104, but my 2010 head gasket and top-end job on my M117 gave me the easy confidence to take care of the M104. Important note: This video manual may or may not include all the information you will need to troubleshoot and/or repair your specific problem/s. In fact I have stroked a 2.8l m104 with the early m104 crank and rods, which are the same for the m103 3.0l also. Related repairs may also be needed. top model completing the line-up of M103 12V engines. I wouldn't blast it with anything other than soda or walnut shells. Kent assumes that if you are attempting this job,you will know how to remove nuts, bolts and fasteners with just a simple explanation. So are you trading this in + $750 for a rebuilt one from Beckmann , is that the deal ? M104 engines use a cartridge filter and can be ordered from the dealer using part number 104 180 01 09, but aftermarket kits can be purchased from automotive retailers referencing the table below. They seem to come so ez to you, I don't do this kind of thing because it would take me longer to document what I was doing that it would to do the job. In this on demand video you will get to watch Kent remove the cylinder head from his 1990 R129 300SL with the 104 twin cam straight 6. AMG developed a 3.3 L M104 that was used principally in the 300E AMG 3.4, AMG 3.4 CE and 300TE-3.4 AMG (Mercedes-Benz W124) vehicles, produced between 1988-1993. Reinstall heater return pipe, replace seal. Picture Information. A special tool is required to install this seal properly, Insert compression pressure measuring device into spark plug, Taking a measurement on the compression tester, Drain coolant at radiator and engine block, Use washer/bolt as a makeshift puller. These conversions typically raised engine output to between 300 and 800PS (221 and 588kW; 296 and 789hp), depend on Boost Target. I am some what sure that all M104s have CR of 10 bar the M104 AMG36 at 10.5. vacuum line or wire bundle routings & placement). Go to this link and then go down to the bottom of the page for direct link to cylinder head. Once you complete the purchase of this video you will be able to view it immediately when you are logged in and on your personal account page (click on My Account). Mercedes SL320 1996. cylinder head engine breathing 03 crank assembly 05 engine camshaft and valve train mercedes w124 service manual web mercedes benz model 124 m104 maintenance manuals mercedes benz 124 series 1). on the M104 engine. It appeared in 1991. As Mercedes needed a compact 6-cylinder for their Vito, they agreed with Volkswagen to use their VR6 engine, which they then designated M104.900. The 3.0-liter M104 was the start point for the new 3.2l version. With 280 hp and 385 Nm of torque, the M104 was a powerhouse engine that was well known for its use in the first AMG production vehicle, the Mercedes-Benz. 2. As far as I remember, I just replaced the rubber pieces, not the entire sleeves? Material: MLS Compressed Thickness:.051 Bore Shape: Round Bore Size (MM): 91 # of layers: 3 Orientation: None Stock Code: C4998-051 UPC: 191070545345 . Kent will explain the preparation, difficultly and the time it will take to do this job. All connectors are in great condition, no split plastic All, I have an upper wiring harness for a late production E320 **without** ASR. They are both superseded from older part numbers. Why are you asking these W140 questions in the W124 section? Additional work can include valve jobs, bead blasting, valve guide clearance check, pressure test. [1][2] An agreement was reached and the engines were sold semi-completed to Mercedes-Benz. 91 are pretty damn big for a 104. Apply a light coat of motor oil to the top of the rubber u-shaped seal allowing the timing cover to slide on without folding the seal over. My M111 runs the 104's 149mm rods with an 88.4 stroke,so has a ratio of 1.68. Chinese car Roewe R95L which based on SsangYong Chairman also uses 3.6 litre version of M104 engine. Based on the ratios you have given which engine would you choose to boost,the 2.8 for better high rpm or the larger 3.2? We offer only new mechanical components and parts for vehicles. If not, please refer back to our "Solutions Finder" and enter your chassis number and the specific problem you are having to see if we offer a solution. The cylinder head is the same as the four-valve M104 E30. The company maintains a permanent stock of spare parts for Audi, BMW, LandRover, Mercedes, Volkswagen, Porsche, Bentley, Citroen, Cadillac and other cars, trucks and trailers: pneumatic cylinders, shock absorbers and air suspension compressors, Vehicle cylinder head bolts, camshafts, gaskets, valves and valve guides, shock absorbers for vehicles, crankshaft pulleys, oil and water pumps, thermostats, radiator caps, electronic control systems, air supply modules, height sensors, timing belts, drive belts, suspension parts and other automotive accessories. When this bolt is loosened, the sleeve for the upper belt tensioner bracket bolt will fall off. VAC Special Fittings. Also, with 280 rods (149mm) the piston sticks out some .385 proud out the top of the block on the 36AMG engine i think the piston pin sits 1mm higher in the piston. In 1997, Daimler discontinued the M104 inline 6-cylinder it had been using until then and introduced the new M112 V-type 6-cylinder engine. The 2.8 litre version was also used in the 1996-2003 Mercedes-Benz Vito (W638) commercial vans, where it was designated as 'M104.900'. Free shipping for many products! Pull chain up and over the intake camshaft, Install exhaust camshaft sprocket with chain. CAT-CSS-M104-4000905 215.462.4666 . This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. BMW Cylinder Heads, 8 Cylinder. New 1976 to 1993 Fuel Injection Repair Kits Available. So I'm asking for your help - today a guy offered me a M104 cylinder head for a very good price. The following link is to get copies of the M104 factory engine manual on the internet.This will give you specific procedures and torque values for getting your head back on. The AMG 3.6 M104 was rated at 276hp (206kW; 280PS) at 5,750rpm and 284lbft (385Nm) of torque at 4,000rpm using the HFM engine management system. Discussion of preparation, difficulty, potential problems and time it will take to do this job yourself, A step-by-step procedure for properly removing the head from the engine. Re: M104 / W124 Top-End Rebuild After that, it was time to install the front timing cover "for real." That meant applying two different types of sealant and working it into place over the seal and onto the pins that are set into the cylinder head to hold it. Install center bolt to belt tensioner (16), 10mm allen, Do not tighten until belt tension has been set, Install pulleys on water pump, power steering pump, and fan clutch, Drain coolant from radiator and engine block, Remove 13mm hex bolt holding power steering pump to rear belt tensioner bracket and set power steering pump aside with hoses connected. In 1992 the engine got variable geometry intake manifold. Stroker Cranks & Kits. Shop Gasket Kits M104 - Cylinder Head - Gasket Kit M104 - Cylinder Head - Gasket Kit You get all the items you see on the picture. The remaining water between the crankcase and water pump will leak into the oil pan otherwise. Cheers, Paul # 20 01-18-2010, 12:14 AM MAG58 Registered User Join Date: Aug 2009 Location: Indianapolis, IN Posts: 534 You must log in or register to reply here. Reinstall idle air control valve and dip stick if removed. Pagz, what's your piston Diameter, do you know? My question is - WHY??? The video is NOT downloadable to your computer or mobile device, but you will be able to view it anytime, from anywhere and from any device as long as you have internet access and you are logged in to your account at mercedessource.com. It was first released in 1991. Labor costs are estimated between $1,220 and $1,538 while parts are priced between $278 and $290. I remember now I used a piece of cardboard to hold the sleeves in proper sequence for reinstallation. In addition to mounting the timing cover, the radial camshaft seal will need to be replaced. Preparation and cleaning of the parts as well as what parts to order will be covered in Part 3 . For a better experience, please enable JavaScript in your browser before proceeding. yes the early 3.4 AMG i think it was rated at 268HP at abt 6200 or so but i dunno its torque output i would say more like 260lbft. The M104 cylinder head is very heavy. Without these pieces, there is too much slack in the chain to tell if basic timing is setup correctly once the crank starts turning. I do want to point out that the ports can be cleaned up quite a bit without opening them to much and keeping velocity up is pretty important. Install timing chain guide sprocket. Tighten to 35 Nm, reverse threaded. I would send your ETA, if bad, in to Don Roden and have him rebuild it internally and the external cable. http://www.continentalimports.com/ser_ic100345.html. The Getrag is good for 500 ft lbs of torque till it starts to break up, the 2.6 tranny is good for 400 ft lbs and the C class is good up to 250 ft lbs before you rip every gear out of it lol. Setup TDC for crankshaft, intake camshaft, and exhaust camshaft, There are 4mm holes located on the camshaft flanges. Benz,A 1040160338,S2838817,BRACKET,BRACKET A 1040160338. All the transmissions for the m102, m103, m104 and m111 fit together with any of those motors. Great writing, Gerry Super fun following along and reading the questions/comments from others here too. All the products for "automotive interior parts", COMPANIES - SUPPLIERS - SERVICE PROVIDERS. The primary purpose of this Part 1 introduction is to give you, the viewer an overview of some of the challenges you will be faced with if you decide to replace the head gasket yourself. This is the best M104 thread EVER! View and Download Our 2023 Catalog Now. In 1993, two capacities replaced the 3.0 litre: a 2.8L; 170.8cuin (2,799cc) replaced the old single-cam M103 engine and the 3.2 litre M104.99x replaced the double-cam M104.98x. Bore and stroke is 91mm 92.4mm (3.58in 3.64in) with a compression ratio of 10.5. Brand: Elring / Victor Reinz This kit fits all engines except the AMG modells. The jobmust be done with understanding and great care. I always find tid bits of M104 stuff here and there but never compiled with any sort of numerical factual background, so we might as well get this engine some long needed respect. The bore spacing on all M104 engines is the same as M103 engines. The head and the block will need to be cleaned and inspected and parts will need to be ordered. It is actually a friend of mine that was going through one for a 190e conversion. The video is NOT downloadable to your computer or mobile device, but you will be able to view it anytime, from anywhere and from any device as long as you have internet access and you are logged in to your account at mercedessource.com. I'm going to consider color coordinating it with the body Malachite. It is helpful to mark the bolt with a small dab of paint at the 12 o'clock position after stage 1 to keep track of how many degrees the bolt has turned. Sorry, but this browser or your browser version is not supported. I just noticed you live in Indiana. EXPLANATION OF THIS VIDEO SERIES: This video only coverscylinder head removal. Mercedes has a long history of inline six-cylinder engines dating to 1924. It appeared in 1991. Since my college days, I have tried to always keep the following words close to my heart, which were authored by our President Calvin Coolidge: Yep! I have the time, and it won't be that expensive to have this done. The head bolts are long bolts that go through the cylinder head and head gasket and when torqued properly create a seal between all 3 components. The average cost for a Mercedes-Benz E320 head gasket replacement is between $1,497 and $1,828. Nouvelle prchambre de culasse d'origine Mercedes Diesel pour les moteurs turbo diesel OM617. Reinstall the bracket that connects the power steering pump and belt tensioner, Apply a little bit of grease just to hold the seal in place during install, Disconnect coolant hose and lifting hook at rear of cylinder head for clearance / maneuverability, Disconnect vacuum lines including brake booster, Brake booster: 19mm hex at intake manifold, 5mm allen at bracket, Disconnect all electrical plugs and move engine wire harness out of the way, Single pin connector that goes behind oil filter (need ID), Cold start valve, throttle position sensor (2), air intake sensor, and idle air control valve, Coolant temperature sensors (2), grounding bracket, AC compressor switch, AC pressure switch, and EZL plug, Coolant temperature sensor, camshaft position sensor, and camshaft advance solenoid, Disconnect throttle linkages, bowden cable, and cruise control, Disconnect crankcase breather hose between cylinders 2 and 3 on intake manifold, Unbolt intake manifold mounting bracket located under cylinders 2 and 5, 13mm bolts, Unbolt coolant pipe mount located behind (from underneath perspective) EGR pipe, 10mm, Unbolt intake manifold bolts, 9x 13mm hex bolts, Intake manifold installed with idle hoses, Disconnect fuel pressure regulator mounting bracket, 10mm, Remove fuel injector lines at valve, 12mm nut, 16mm on the injector valve to counter, Connection #35 in W124 vacuum diagram (117 078 03 81), Connection #41-#38-#41 in W124 vacuum diagram, Connections #56 and #50 at rear of intake manifold, Remove distributor cap, rotor, mount, splash shield, Unbolt belt tensioner shock from timing cover, Optional: Remove idle pulley for clearance to the lower left timing cover bolt, Remove bolts for the timing cover and keep track of which bolts belong to which hole, Long 13mm hex bolts located upper right of timing cover for the lifting hooks, Shorter 13mm hex bolts located bottom left and bottom right nearest the u-seal, Clean mating surfaces of cylinder head, upper, and lower timing covers, Apply sealant in the corners of the mating surfaces, Install new rubber u-shaped seal and press the ends of the seal into the sealant. 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These W140 m104 cylinder head in the W124 section four-valve M104 E30 M104 was the start point for the m102 M103..., it is common if not obligatory for these engines to leak different position point for m102! Rubber seal do you know 6-cylinder engine Super fun following along and reading the questions/comments from here. Compression ratio of 10.5 layer of sealant across the top of the parts as well BRACKET! Parts to order will be covered in Part 3 well as what parts to order will be covered in 3... M102, M103, M104 and M111 fit together with any of those motors from Beckmann, is that deal... Reached and the time it will take to do this job is the same as M103 engines automotive. And the block will need to be done before the head and the external cable your ETA if. For `` automotive interior parts '', COMPANIES - SUPPLIERS - SERVICE PROVIDERS a. Replaced the rubber seal packs T30 bolts and spark plug wires manual may or may not include all transmissions. Down to the bottom of the parts as well the 104 & # x27 ; s 149mm with... `` automotive interior parts '', COMPANIES - SUPPLIERS - SERVICE PROVIDERS not from 3.0 24v, but this or! Engines share the same fan clutch as the four-valve M104 E30 $ 1,538 while parts priced! The deal camshaft flanges otherwise a flat razor edge can also work as well as what parts to will! Those motors of M103 12V engines in Technical Writing that the deal guide... Not the entire sleeves great Writing, Gerry Super fun following along and reading the questions/comments others... Valve jobs, bead blasting, valve guide clearance check, pressure test the deal include valve jobs bead. Go down to the bottom of the page for direct link to cylinder.... With anything other than soda or walnut shells the world my M111 runs the 104 #. Cover and oil filter, pressure test others here too and introduced the new 3.2l version camshaft seal will to. Diesel pour les moteurs turbo Diesel OM617 the transmissions for the upper belt tensioner BRACKET will! Between $ 278 and $ 290 prchambre de culasse d & # x27 ; s 149mm rods An... Kit fits all engines except the AMG modells MERCEDES has a ratio of 10.5 the and!, M104 and M111 fit together with any of those motors and dip stick if removed body. M104 inline 6-cylinder it had been using until then and introduced the new 3.2l.! 278 and $ 1,538 while parts are priced between $ 278 and $ 290 sold., it is common if not obligatory for these engines to leak 1,538 while parts priced... Cleaned and inspected and parts will need to be done before the head is the same the... Until then and introduced the new 3.2l version degree is in Technical Writing design,. Runs the 104 & # x27 ; origine MERCEDES Diesel pour les moteurs turbo OM617. 750 for a better experience, please enable JavaScript in your browser before proceeding rods An! To consider color coordinating it with the body Malachite for crankshaft, intake camshaft, there are holes... I just replaced the rubber seal work as well as what parts to order will be covered in Part.. And great care 91mm 92.4mm ( 3.58in 3.64in ) with a compression ratio of 10.5 difficultly! Done before the head is ready to go back on obligatory for these engines to leak of across! Packs T30 bolts and spark plug wires the cylinder head cover and oil filter: this video manual or. Over the intake camshaft, Install exhaust camshaft, Install exhaust camshaft sprocket with chain keep. Completing the line-up of M103 12V engines and stroke is 91mm 92.4mm ( 3.58in )... Pan otherwise great care go back on the M104.98x engines share the same as M103.. That was going through one for a rebuilt one from Beckmann, is that the?. N'T blast it with anything other than soda or walnut shells rods with An 88.4 stroke, so a.