The top half of the seal is mounted in a groove in the block. I took out the transmission and replaced the leaking rear main oil seal plus the two transmission axle seals. Rear Cover Gasket Rear Main Seal Set BS40640 LS Front Mail Seal Cover Gasket with Crankshaft Seal for 1997-2016 Cadillac Buick GMC Hummer Isuzu Pontiac Saab 4.8L 5.3L 5.7L 6.0L BS40640 4.7 out of … Reply. I have a 2015 Chevy Silverado with 9,000 miles. How to Diagnose a Rear Main Seal Leak: Few words about your vehicle will stop you in your tracks quicker than, "you have a rear main seal leak." Looking to replace the rear main seal on my '88 yj. The rear main oil seal in a 2.2 liter Chevrolet S10 can be replaced without removing the engine oil pan or the crankshaft. I started last week and finally finished today. 2018 at 1:23pm: I have seen a lot of opinions on a best neoprene seal vs a rope seal. If you have a 1 piece rear main seal (found on most new 351 motors) you will have to remove the transmission to replace the rear main seal. The process of how to replace rear main seal Chevy 350 is almost done now. Vehicle is a 2009 2.5 FWD, 4 cylinder with the 4 speed automatic (U241E). Rear Main Seal Replacement by Bill Schroeder The rear main seal leak among small block owners is a very common problem. While the seal itself takes less than a half hour to replace by a qualified technician, getting to it is the hard part. A rear main seal leak is among the worst things that can happen to any vehicle because the rear main seal is very hard to reach and it requires much of your engine to be disassembled. Rarely does the rear main seal have to be replaced, but it does leak over time. Rear Main Seal Replacement Cost The average cost for a Pontiac Grand Am rear main seal replacement is between $141 and $173. I used to do all my own maintenance and repairs but no longer have the time, place or equipment to do so any longer and need to take it to a shop. Rear Main Seal Replacement Tips: By Chris Fasulo and Mike Smith. Rear Main Seal Replacement Cost The average cost for a Ford Transit Connect rear main seal replacement is between $343 and $432. Once the leak has stopped, the seal will have the life of a new seal. Save Share. And for pressing it into it, blots are used. The rear main seal on your truck will surround the crankshaft at the rear of the engine and will be behind the flex plate. Depending on where you are located, a rear main seal replacement can cost anywhere from $650-$850. Thank you!-BDP. Engine is a stock I6 4.2l. Replace the worn or damaged rear main seal in your 1982-2004 3.8L or 5.0L Mustang with this high quality rear main seal from Ford Performance! I finally removed the top rope seal without removing the engine. Jr says: April 5, 2016 at 9:31 pm. its easy to forget how the seal was facing, and to screw it up sliding the top half up. Remove the rear main seal from the engine block around the crankshaft. Quote Reply Topic: rear main seal replacement Posted: 11 Mar. remove the oil pan, the rear main bearing cap, and the seal comes out in two peices. My question is which might be easier to install. otherwise its not too bad of a diy job. It sits low inside the engine block, usually just above the oil pan (also known as the sump), and counterweights splash oil to lubricate the main … Average Rear Main Seal Repair Cost – To Have A Mechanic Replace Rear Main Seal The average cost to repair a leaky rear main seal, is anywhere from $800 – $1,200 dollars. but its not behind the trans, its a two peice seal. So all 440 seals are two piece. Labor costs are estimated between $401 and $506 while parts are priced between $9 and $22. 1. A leaking rear main seal (RMS) is almost as common among TJs as a leaking valve cover gasket. How common is a leak. to push the old one out. The crankshaft is the main driving force in the engine. The big block Chevy engine uses a two-piece rear main seal through 1985. Some people are getting quotes of up to $2,500 dollars on some vehicles, which is way to expensive for what I … 4519S – Rubber Rear Main Seal Now offering a two-piece rubber rear main seal as a rope seal replacement for the following applications: Chevrolet 6 cyl. Reply. I also read somewhere to soak the rope seal in oil for a day. This seal bolts to the rear cover and slides over the end of the crank to seal the engine from the transmission. The seals have to be split because the crank has a big flange on the rear and you cant slide a seal on from the rear. 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). Re: rear main seal replacement Jun 28 2012, 12:40am I can do one on a 4WD in my shop on a lift and with all the tools that make it "easy" in about 8 hours (maybe a little less if everything goes right). 1,520 Posts . Labor costs are estimated … Keeping the rear main seal in its top form is a must to keep the oil inside the engine as the crankshaft rotates. Labor costs are estimated between $340 … Usually, the rear main seal is pressed into the block of the engine. However, removal of significant components external to the engine, most notably the transmission, is required. A r… The rear main seal does just as it says it does, It is the main lower oil seal at the back of the engine. gotta slide the top half out, and back in. The rear main seal is leaking so I got a few estimates on the repair, my NAPA guy showed me to your product line and said the rear main sealer will work, so I figure why not a quick fix, I changed the oil and added a bottle and it did work or at least slowed it down for about a week, so I went and got another bottle and put it in, that worked for another week or so then it started leaking again. BMW E46 Clutch Replacement Torque Specs: BMW 13mm Rear Main Seal Housing Bolts = 18Nm or 13.3 ft-lbs of torque; BMW 10mm Rear Main Seal Housing Bolts = 10Nm or 7.4 ft-lbs of torque ya, to pay a shop its all labor. Looking for any help I can get. The rear main seal replacement is thru the oil pan only on the 4.0 so the trans stays put for a change. On most modern engines, the seal’s failure is due to a condition inside the engine or a component connected to the back of the engine. The 440 uses a seal retainer to hold the bottom half of the seal, and it is attached with two 12 point bolts. Whether it was a clutch job, rear main seal replacement, or the notorious detent replacement, your BMW’s drivetrain is back to full strength. You Will Need: A good time to do the rear main seal is during an oil change as you have to drain the oil anyway. 1 rear main oil seal VW# 038 103 171 s. VW tool # T10134 from VW snap on tools At the time of this writing (8/18/2011) the tool was about $237 (still cheaper than paying the dealership) Procedure to replace the engine speed sensor or rear main seal on your VW Jetta TDI. The most labor-intensive seal to replace on any engine is the rear main seal. This means that half of the seal is on the rear main bearing cap and the other half is on the engine. Have a Chiltons that I will be referencing but it looks unpleasant. 235, 56 Common signs of a failing rear main seal, is oil seepage around the bottom of the transmission, the bellhousing, or the spacer plate. Thank you for asking about your Jeep Grand Cherokee. It is a very labor intensive job, as usually the parts will only cost around $40-$50. Mustang Fitment: 1982-2004 w/ 3.8L or 5.0L Item # LRS-6701A If not, try drilling three evenly-spaced, 1/8-inch holes onto the seal face and screwing in … One of the hardest seals to replace in an engine is the rear main crankshaft seal. Crankshaft rear seal/rear main oil leak replacement How much does a crankshaft rear seal/rear main oil leak repair cost? 1999 Wrangler Chili Pepper Red. You will not have to replace the rear main seal any time after using BlueDevil Rear Main Sealer. The average cost for a Toyota Land Cruiser rear main seal replacement is between $410 and $528. Once it moves a little, oil the lip side of seal and soap the outer edges, using the new seal (make sure it facing the right way or it'll leak like a screen door!) Insert the new bottom seal in the cap, reinstall the rear main cap, and re-torque to spec (I think the Chilton book said 95-105 ft/lbs, so I opted for 103). I recently noticed quite a few new oil stains on my driveway. The oil change place told me that my rear main seal is leaking. Set the engine cylinder #1 to top dead center (TDC). Before getting inside the engine block, it gets inside the hood f the rear main seal. The rear main seal keeps oil sealed inside the rear of the engine, where the crankshaft connects with the transmission. Estimate does not include taxes and fees. Discussion Starter • #1 • Mar 30, 2017. There are no shortcuts or quick fixes if the seal has expired. I may be tackling a rear main seal job soon, but it is not very pressing at the moment. Instructions in the Chiltons are as follows This seal is a two piece neoprene type with a single lip. Some Dos and Don'ts When Searching for a Rear Main Seal Replacement With a damaged seal, your crankshaft is exposed to unwanted leaks. This has been the death knell for many a vehicle over the years, as the cost of a fix for an older car is often more than the car is worth. 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