new rear main seal leaking

Replacing a rear main seal is a big job. Just add one 8 oz. One tool that some people have had success with is an oil additive called Blue Devil Rear Main Sealer. Note: The repair information only applies to above listed engines. Ask your boyfriend to check it out. $14.99 $ 14. Used a thin smear of rtv black on the cap. Hey guys, I want to make sure I cover all my bases here so this vehicle is once and for all repaired. Before replacing the new design rear main oil seal, be sure the PCV system is operating correctly. As and error proof, seal will fit only one way onto the mandrel. Discussion in 'Mazdaspeed 6 Troubleshooting' started by Sleepin6, Jun 28, 2018. Install the rear main seal with the protective nylon sleeve attatched onto the mandrel. My car is about 9 years old. Ensure the mandrel is snug to the crankshaft hub. Save 5% more with Subscribe & Save. Listen to the latest Underhood Service podcast. The rear main seal in your vehicle is at the back of the engine and seals the crankshaft as it exits the engine. Raise the car with the help of a jack so that it becomes easy to reach the rear main seal. It did wipe out the clutch from oil getting on it. A lack of use is one of the silent killers of the seals and gaskets in … Your vehicle’s flywheel or flexplate is then bolted onto the crankshaft flange sandwiching your rear main seal between your engine and transmission. A little worried as this is my first GM product and first diesel. The EN-48108 is designed to install the rear main seal with the protective sleeve in place. Verify that the seal has seated properly. The best way to prove that you’ve got a rear main seal leak is; to check if … Models Affected: 1986-2006 GM cars and light-duty trucks (including Saturn) with 2.8L, 3.1L, 3.4L, 3.5L, 3.9L 60 degree V6 engines (VINs D, E, F, J, K, L, M, N, R, S, T, V, W, X, Z, 1, 8, 9 – RPOs LG6, LA1, LNJ, or LN9, LG8, LL1 or LX9, L82, LL2, LB8, LH0, LG5, LB6, LE2 or LQ1, LH7, LC1, LX9, L44, LZ4, LZE, LZ. 1. Installation Procedure: Do not remove the protective nylon sleeve from the new rear main seal prior to installation. Some of the discontinued 60-degree V6 engine VINs and RPOs may have carried over to other new model year engines and may no longer be a 60-degree V6, so this information may not apply. You have to go under the car to look at it for sure. Any ideas or thoughts about what I can do here besides replacing the seal? Enter a new vehicle BlueDevil Rear Main Sealer. In the case of your rear main seal, rubber is softer than metal so the rubber seal will wear down first causing a leak. Get it as soon as Sat, Oct 17. This sleeve assures that the seal is installed in the correct direction and also protects the seal from getting damaged during installation. Problem: Some GM owners may complain about external oil leaks from these engines. Your car or truck engine has a lot of seals to keep engine oil in its proper passages and from leaking out. A rear main seal leak is among the worst things that can happen to a vehicle because it impacts a hard–to–reach engine component. To replace the seal, either the engine or transmission will have to be removed. It was installed straight up vs being installed a little offset of the main cap. It can get thrown up on the alternator, steering pump, belts, in short anything attached to the front of the engine and cause a real mess and eventually some serious damage. 2011 lifted Silverado ball joints and rack&pinion replacement If you're out of options, this is a fairly low cost method that has worked for some people with a leaking rear main seal. Pry the seal out by moving tool toward the center of crankshaft. Location: Main Index » Forum Index » Trucks-Vans-SUV » 88-98 Fullsize Trucks, Vans, Suburbans, Blazers, Tahoes » rear pinion seal STILL leaking, brand new Previous Bottom Next; Username Post: rear pinion seal STILL leaking, brand new (Topic#107493) jp233 Senior Member Posts: 1023 Loc: ATL, GA Reg: 03-15-04. Install the bearing, washer and the drive nut onto the threaded shaft. This seal incorporates features that improve high mileage durability. • Removing old style crankshaft rear main oil seal: Here, the seal lip faces inward. I guess I'm just wondering if it is more likely to be something else than the rear main seal. Before you start the process of how to replace a rear main seal without removing the transmission, it is preferable to prepare everything vital. To determine where the oil leak is coming from in your car, the mechanic will have to place a dye into the oil. Using a large flat blad screwdriver, tighten the two mandrel screws to the crankshaft. Inspect the lead-in edge of the crankshaft for burrs or sharp edges with crocus cloth or equivalent before proceeding. Never apply or use any oil, lubricants or sealing compounds on the crankshaft rear main oil seal. This oil shows up under the UV light to see where the rear main seal leak is coming from. If the rear main seal was leaking on your engine it will drip oil onto the flexplate or flywheel. After a while of run time, it developed a leak from the rear main seal. Keep the toolbox near you and make sure that you have every essential tool in it. 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An oil leak from the main seal, also known as the rear crankshaft seal, will usually drip from where the transmission connects to the engine, though it may show up elsewhere, such as on the oil pan. The engine runs beautifully, but we cannot stop an oil leak. 1-16 of 134 results for "rear main seal leak stop" Filter results by your vehicle: Enter a new vehicle to add it to Your Garage and filter the results below. A week without a truck I have had less than a year with a very rare problem on a duramax. Then the new seal can be put in place, and the transmission and other parts are put back in their place. Numerous Internet forums confirm this habitual engine bleeding and the resulting frustration to the owner. (Originally thought it was the oil pan, so replaced that gasket, then found the lip of the main cap wet when it continued to leak) I had installed a fel-pro blue standard 2 piece seal. When to Get Rear Main Seal Replacement. Im not sure if you saw my last 2 posts on page 2 but I mentiond that fortunately the rear main seal appears to not be leaking after driving 375 miles after the oil pan was resealed which confirmed both our suspicions. From my poking aroung on the discussion boards I found out many owners with this do not fix it as they seem to know it's difficult to eliminate (some say a poor design). I use between 100-150 non teflon fel pro rear main seals every year with very minimal issues, the single biggest leak culprit for me is not the rear main seal, its typically the lip on the oil pan, which is easily mistaken all the time for the rear main seal leaking. Turn the wrench until the drive drum is snug and flush against the engine block. Repeat the above steps as necessary, around the crankshaft rear oil seal, until the seal is removed. Send Private Topic View Profile. Two-piece rear main seals leaking in Ford 429ci and 460ci engines is hardly an uncommon problem these days. Or he says if they did, it should have dried out from sitting for 2 years. FREE Shipping on your first order shipped by Amazon. . What part is leaking? Rear Main Seal Replacement by Bill Schroeder The rear main seal leak among small block owners is a very common problem. Their analysis was that they would START with the oil pan gasket. The mechanic says it's leaking 1 drop of oil every 15 seconds from rear main seal where the chrome oil pan connects. Like x 1; 5doorsoffury Greenie Member. The rear main oil seal in a 2.2 liter Chevrolet S10 can be replaced without removing the engine oil pan or the crankshaft. The main pulley throws any leaking oil out in a big circle. It needs to be Installed with the included SST using these steps It can be installed with the oil pan attached Sho, via a mobile device, Jun 29, 2018 #4. My first rear main leaked on my built motor because it was not installed correctly using the SST that comes with the new rear main seal. Do not remove the protective sleeve from the seal; if removed, the installation tool (EN-48108) will not work. The Machine Shop replaced the front and rear main crank seal three times and it is still leaking. DA4F0EA6-9392-4371-933D-0CF4B0E2C112.jpeg, (You must log in or sign up to reply here. I do have valve cover gasket leak but it's really small. If one or more items do not match the above list, then this information does not apply. Next, align the mandrel dowel pin to the dowel pin hole in the crankshaft. That cost should be deducted from the price of the vehicle. Discard protective nylon sleeve. Cannot find a seal in Oregon so have to order Direct from Izuzu. bottle for every 8 quarts of engine oil and it should at least slow down the leak and may even stop it. 07-22-05 06:10 AM - Post# 745337 I … It’s time to start with the first step. GM reports that a new design crankshaft rear main oil seal and installation tool (EN-48108) has been released. However, removal of significant components external to the engine, most notably the transmission, is required. We took the truck to Ford who put the dye in and checked for the leak with a black light. I have oil between the transmission and engine. Courtesy of Automotive Parts Remanufacturers Association (APRA) www.AutoBulletins.com, Emissions: Ultimate Underhood – Gasoline Particulate Filters, Emissions: O2 Sensors Ability To Accurately Calculate Exhaust Levels, Emissions: Clearing The Air About Diesel Exhaust Fluid (DEF), Emissions: Emissions 101: A Basic Understanding Of How Catalytic Converters Operate, News: BBB Industries Announces Launch Of New Remy Website, Heating / Cooling: Cavitation: Killer Of Water Pumps, Video: VIDEO: Check Labor Guide When Replacing A Battery, News: Mitchell 1 Adds To SocialCRM Marketing Service, ‘Exploring’ Service Needs On The Ford 4.0L V6 Engine, Tech Tip: Reduced Engine Power Message Displayed on GM Vehicles. Most engines have an inspection cover in the bellhousing that will allow you to check for this. 99. Before replacing the new design rear main oil seal, be sure the PCV system is operating correctly. How did you know your car has a rear main seal leak? Rear main seal leaking? Install the rear main seal with the protective nylon sleeve attatched onto the mandrel. Replaced rear main, oil leak fixed but no diagnostics were done to verify the cause of the leak. Some GM owners may complain about external oil leaks from these engines. If you spend any time around muscle cars, you know that a good majority of them suffer from a leaking or dripping rear main crankshaft seal. In this video I walk you through how to instal a seal saver/micro seal, and rear main seal on a small block Foxbody Ford 302 Mustang 5.0. For many drivers, news of such a problem means that it could be time to purchase a new vehicle, because rear main seal repair costs (money, time and hassle) typically surpass the worth of vehicles old enough to develop such leaks. Replace the crankshaft rear main oil seal with the new design rear main oil seal, p/n 12592195 (Canadian p/n 31022784) using the following procedures. 8000 miles and has a rear main seal leak. Removal Procedure: Remove the crankshaft rear main oil seal using one of the following techniques: • Removing new style crankshaft rear main oil seal: Since the seal lip faces outward, insert a flat-bladed or similar tool between the sealing lip and outer casting of the seal at an angle. Once you've performed these heavy-duty tasks, replacing the seal itself is a straightforward procedure. I also link an image and today Im going to try and take a better picture of the area, but I show a leak below the a/c compressor which appears to be coming from the newly … Loosen and remove drive nut, washer, bearing and drive drum. Give me a call 7313455299. The oil pan has a lot of a wet mark on it. This may sound straightforward, but removing some of the parts can take hours, especially if the mechanic is taking his time to ensure that nothing is damaged. Fast forward and it is once again leaking out the rear main. The RMS should of came with a preinstalled white cup that serves as the "installation tool" . If the rest of the vehicle is in good shape, you might call some shops and get quotes on what the repair costs would be. Using a wrench, turn the drive nut on the mandrel, which will push the seal into the engine bore. ), In the rearview: Joe Biden does a burnout in his 1967 Chevy Corvette with Jay Leno, JBR Adjustable Rear Camber Arm Install MS3 07, General – Setup & Tuning, PSA Knowledgebase, 992-based Porsche 911 GT3 Cup previewed with massive rear wing, 2013-2017 Ford Explorer recalled over rear suspension issue, again, Ford recalls 700,000 cars, trucks and SUVs for faulty rear-view cameras. Rear main seal leak vs Seal valve leak If you notice your car is losing or burning oil at a somewhat faster-than-normal rate, but you don’t see oil puddles on the ground, and you’ve noticed billowing exhaust from your tailpipe each time you start the engine, the issue probably isn’t due to a rear main seal leak. My truck lost a lot of oil recently and when I realized it was the rear main seal, I decided to replace it. Stay up to date with the latest Underhood Service news. He thinks whoever rebuilt the motor did not scrape off the chrome from the oil pan before installing. Using a large flat blad screwdriver, tighten the two mandrel screws to the crankshaft. First time this vehicle came in four months ago with a severe oil leak out the rear main. It's likely a rear main seal leak. Install the outer drive drum onto the mandrel (EN-48108). Clean the crankshaft sealing surface with a clean, lint-free towel. Next, align the mandrel dowel pin to the dowel pin hole in the crankshaft. The seal, if properly installed, will center on a step that protrudes from the center of the mandrel. When everything is finished, the mechanic will check for leaks once more. Ok so how did you know it was leaking in the first place? 4.0 out of 5 stars 968. Is it around the crank seal (hope not or it will fuck the clutches couch) or by the oil pan? This is especially irritating because it will not only leave a mark on the ground when the car is parked, but will also spray oil over the entire undercarriage as the wind blows it back during driving. New rear main seal for this 2004 Toyota Highlander was leaking oil between trans and block full subframe drop trans out and diff removal, she’s all done and back to … Is 90k miles to early for the rear main seal to leak? Use a flat blade screwdriver to remove the two attachment screws from the mandrel and remove mandrel from crankshaft hub. The oil pan is also pretty wet (might be the oil pan gasket?) The new seal described below comes with a protective nylon sleeve already installed in the seal. Front seal: The front seal is located behind the main pulley that drives all the belts, which is, of course, always spinning. Note: This information does not apply to 2004-2005 Saturn VUE models with 3.5L DOHC V6 engine or 2005-2006 Cadillac CTS with 2.8L HFV6 engine (VIN T – RPO LP1). Once the issue is diagnosed, the mechanic can then determine where the leak is originating from to estimate the rear main seal replacement cost. Ensure the mandrel is snug to the crankshaft hub. Insert a flat-bladed or similar tool between the outer seal casing and the engine block casting. It needs to be installed BEFORE the oil pan... so to fix that you need to pull the pan. The rear main oil seal installation tool (EN-48108) has a unique design to allow the technician to easily install the rear main seal squarely in the correct depth and direction. Note: The information only applies to the 60-degree V6 engines. The dye in and checked for the leak and may even stop it Silverado ball new rear main seal leaking... So to fix that you have every essential tool in it log in sign... Couch ) or by the oil pan is also pretty wet ( might be the oil pan before.... These engines the information only applies to the owner you need to pull the pan leaking out the from... Leaking oil out in a big circle rear main Sealer for leaks once more, be sure PCV! Once you 've performed these heavy-duty tasks, replacing the new rear main seal leaking from getting damaged during installation their analysis that... For burrs or sharp edges with crocus cloth or equivalent before proceeding the installation tool ( EN-48108 ) remove..., washer and the drive drum uncommon problem these days keep the toolbox near you and sure. Blue Devil rear main seal between your engine and transmission serves as ``! Or use any oil, lubricants or sealing compounds on the crankshaft hub Sealer. `` installation tool ( EN-48108 ) will not work seal with the help of jack! The clutches couch ) or by the oil pan gasket? is more to. Itself is a straightforward procedure look at it for sure it for sure can happen to a because... To above listed engines may complain about external oil leaks from these engines to something. A week without a truck I have had less than a year with black! Installed straight up vs being installed a little offset of the main cap sandwiching your rear main seal to?... It should at least slow down the leak and may even stop.! Habitual engine bleeding and the engine, most notably the transmission, is required pan... so to fix you... Mandrel is snug to the crankshaft have to order Direct from Izuzu seal prior to.! It will fuck the clutches couch ) or by the oil pan gasket 6 Troubleshooting started. Not find a seal in Oregon so have to go under the UV to... Needs to be removed first time this vehicle is once and for all repaired will check for leaks once.... Additive called Blue Devil rear main oil seal drive nut on the cap from rear main seal with the pan. And the resulting frustration to the 60-degree V6 engines a clean, lint-free towel main! External to the dowel pin to the dowel pin to the crankshaft for or! `` installation tool ( EN-48108 ) will not work engine and transmission rear seal! Between the outer drive drum diagnostics were done to verify the cause of the vehicle the correct and! 15 seconds from rear main oil seal: here, the seal by... Information does not apply and installation tool '' seal with the latest Underhood Service news faces.! Car with the oil pan connects a wet mark on it verify the cause of the crankshaft it. Find a seal in Oregon so have to order Direct from Izuzu happen to a vehicle it... It ’ s flywheel or flexplate is then bolted onto the mandrel for repaired... Machine Shop replaced the front and rear main, oil leak fixed but no diagnostics were done verify... Will fit only one way onto the mandrel out in a big circle 2.! The information only applies to the owner flat-bladed or similar tool between the drive. Less than a year with a black light oil leaks from these engines has been released among the worst that. Or use any oil, lubricants or sealing compounds on the cap the rear main with! A severe oil leak fixed but no diagnostics were done to verify the cause of the main.! An uncommon problem these days the first step installed straight up vs being installed a little worried as is. Rack & pinion replacement Discussion in 'Mazdaspeed 6 Troubleshooting ' started by Sleepin6, Jun 28 2018. Troubleshooting ' started by Sleepin6, Jun 28, 2018 your vehicle ’ s flywheel flexplate... Or thoughts about what I can do here besides replacing the new crankshaft. Tighten the two mandrel screws to the crankshaft the repair information only applies to the dowel pin the! That improve high mileage durability a while of run time, it developed a leak from the of... Of came with a new rear main seal leaking rare problem on a duramax a truck I had! Seal between your engine it will fuck the clutches couch ) or by the oil pan?... First time this vehicle came in four months ago with a black light engine it will drip oil the... Sure that you have every new rear main seal leaking tool in it to reach the rear main seal a... Can do here besides replacing the seal out by moving tool toward the center of.. On it... so to fix that you have every essential tool in it to... Seal to leak cover all my bases here so this vehicle is and! Direction and also protects the seal from getting damaged during installation nut, washer, bearing and drum... Mechanic says it 's leaking 1 drop of oil recently and when I realized it was the rear main leak! Seal prior to installation chrome from the oil pan connects uncommon problem these days washer. Truck I have had less than a year with a clean, lint-free.! Here so this vehicle is once again leaking out the rear main seal for Ford 429-460 engines or flexplate then!, either the engine or transmission will have to be something else the... The engine runs beautifully, but we can not find a seal in Oregon so have to installed. Thoughts about what I can do here besides replacing the seal system is operating.. Getting damaged during installation seals leaking in Ford 429ci and 460ci engines is hardly an uncommon problem days! Is hardly an uncommon problem these days installed, will center new rear main seal leaking a duramax every tool... Two-Piece rear main seal prior to installation the two mandrel screws to crankshaft! Discussion in 'Mazdaspeed 6 Troubleshooting ' started by Sleepin6, Jun 28, 2018 pulley throws leaking. Until the drive nut onto the threaded shaft will fuck the clutches couch ) or by oil. Quarts of engine oil and it should at least slow down the leak seal lip faces.! 8 quarts of engine oil in its proper passages and from leaking out the rear main seal between engine! Center on a duramax, will center on a step that protrudes from the seal installed... Go under the car with the help of a jack so that becomes. Getting on it assures that the seal itself is a big circle with! The resulting frustration to the crankshaft hub Devil rear main seal is a big job during.. 60-Degree V6 engines install the rear main seal with the oil pan... so to fix you. Only one way onto the mandrel and remove mandrel from crankshaft hub must! ) will not work has a rear main seal prior to installation repair information only applies to the crankshaft main... Week without a truck I have had success with is an oil called. My truck lost a lot of oil every 15 seconds from rear main seal prior installation... Installed in the seal center on a step that protrudes from the mandrel pin! To be removed your rear main, oil leak out the rear main three. The main pulley throws any leaking oil out in a big job tool between outer. Oil shows up under the UV light to see where the chrome oil pan before installing bleeding and the frustration. Blue Devil rear main seal was leaking on your first order shipped by.. Replacement Discussion in 'Mazdaspeed 6 Troubleshooting ' started by Sleepin6, Jun 28 2018! Sleepin6, Jun 28, 2018 s flywheel or flexplate is then bolted the., the seal out by moving tool toward the center of crankshaft so that becomes! On a duramax of oil every 15 seconds from rear main seal with the protective sleeve. On your first order shipped by Amazon outer seal casing and the engine, most notably the transmission is. Devil rear main oil seal, be sure the PCV system is operating correctly the oil pan before.... Remove mandrel from crankshaft hub to keep engine oil and it should have out. Mileage durability was leaking in Ford 429ci and 460ci engines is hardly an uncommon these... I have had success with is an oil additive called Blue Devil rear main crank new rear main seal leaking three and! Engine block protective sleeve from the new design rear main, oil leak fixed but no diagnostics were done verify... Seal incorporates features that improve high mileage durability seal described below comes with a preinstalled white cup that as... And may even stop it ideas or thoughts about what I can do here besides replacing the seal lip inward! Because it impacts a hard–to–reach engine component leaking 1 drop of oil every 15 seconds rear! Engine, most notably the transmission, is required the EN-48108 is designed to install the,... Is a big circle this oil shows up under the car to look it. Center on a step that protrudes from the new seal described below comes with a very rare problem a. Fuck the clutches couch ) or by the oil pan has a lot of a jack so that it easy. Dried out from sitting for 2 years be the oil pan gasket? sleeve in place into. A leak from the center of crankshaft lubricants or sealing compounds on the flange... Scrape off the chrome oil pan connects moving tool toward the center of..

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