1997. But it's not obvious to me how to remove and replace. It looks like if you finish grinding the head off that bolt you can remove the pipe and you will have a piece to maybe grab . Used 3" extension for exhaust side nut, after removing shield. Bolt would then begin to meltdown. How to Remove the Exhaust Flange Bolts. Steve. Remember Me? #1. The changing temperatures from cold to hot of the exhaust system together without changing the moisture conditions can result in speeding up the rusting of the flange bolts. I never seen this method used anywhere! I tried to hold the bolt in place with needlenose vise grips and didn't have any luck either. While trying to install exhaust spacers on my 2012 Rubicon today I ended up braking the lower exhaust flange bolt on the drivers side. New set of exhaust header bolts M8x28 (use Porsche bolts as they made of harden steel and not stainless steel) Hope the above info helps you, Good Luck. Anybody have some helpful advice ? just spin when trying to remove the nut. Jan 27, 2010. Chip the slag out, and fill in the center. 11. Attachments. I then tried to heat it and remove it with vise grips and eventually a small pipe wrench. Turn of your torch and then quickly hammer the threaded side of the flange bolt. I have thought about drilling out the . I use Never Seez nuclear grade nickel Special Anti-Seize for anything real important. Easily remove rusted nuts and bolts avoiding the snapping and drilling aggravation. Made of quality materials, this hardware is engineered for reliable performance. 112.3 KB Views: 2,216. You can used a punch and beat them out. Order a new set of those nuts. they work well IF you can find em. The exhaust bolt used in the OEM manfold have a type of knurling on the Bolt. Torque wrench (header bolts torque setting 17 ft/lb) 7. And they are driven in to the manifold. I just assumed when I suggested torches that it was oxy/acetylene. So you just unbolt the nuts and drive the bolts up and out. when you get them . Does anyone have any tips for removing them? Dec 6, 2012. Try removing the stud then. and took maybe 30 mins. Est. All my manifold bolts were fine rusty but not broken. Standard Delivery. Along the way came "blow proof" gaskets and heli coils but the best way to improve your system is to remove the heads and weld/tap an additional set of stud/bolt mounts on the other side of your exhaust port! Was $2.00 for the bolts. exhaust manifold flange bolt removal - Engine Tech And Modification - SilveradoSS.com. As Dwayne said, remove the rest of the bolts that'll come out, remove the manifold and the remainder of the bolts should come out. P. a quality nitrided 10% cobalt bit (the gold ones in a black and decker set) should take it out. So the bolt is still threaded into the front cat and I have no idea how to get it out without removing the front cat, which I don't want to do since the other exhaust bolts might break too. Locate the bolts: These bolts can easily be found once the car is jacked up. It's the bolts on the 3-bolt exhaust flange right before the catalytic converter. After 3 tries, if its still stuck, then remove the manifold. The bolt has a tendency to move upwards as the nut is being loosened, so use a small object like a screwdriver or extension to hold the bolt down while the nut is removed. Only show this user . Fill the space up completely with weld. Remove the head pipe flange nuts from each cylinder using a 1/2" wrench and socket as needed. Thus, you can also heat your bolts in such a way that it removes the rust coatings. B. If the rust progresses, it could reach the threads, and these may go useless. I need to temporarily remove a section of my exhaust shown in the picture below. In order to remove it, you may have to use a . Trying to swap exhausts on a 97 1500 3.9L but the bolts + aluminum clip washers? Get a long-reach and sturdy Ball Joint Splitter. Do your best when stringing the clamps with wire to prevent the clamps from dragging on pavement if they come loose and fall off. Twist the Heli-Coil insert onto the tool until the tab at the bottom licks into the tool.4. When removing the exhaust at the flange for the other side, it apparently backed out the stud from the exhaust manifold a bit, and now, with the exhaust attached again, there's a leak at the flange. The head pipe can now be removed. I don . Free In-Store or Curbside Pick Up. Remove the turbo and exhaust manifold, shoot them with some good penetrating oil a few times over a day, then try to turn them, if they wont turn, heat them up red hot, then douse them with cold water it will shrink them fast enough to break alot of the rust and corrosion loose enought to turn. Remove exhaust system Y pipe as follows: Remove the front and rear Y pipe flange fasteners from the exhaust manifolds. The best solution would be to cut the flange . Most haven't had a problem removing bolts or stud remains from the head. Thread the insert into the bottom of the hole, giving it one final twist to break the tab at the bottom. Remove two exhaust manifold-to-collector pipe flange bolts from under car [[email protected] 18/19mm] 11. However, one stud broke off, but the stem of it is still there to grab on to. I got all four nuts free from the cast iron collector studs last night on the LC. Loosen the exhaust flange and gasket: Your flange may be stuck. 4. The extreme heat may help loosen the obstinate bolt, allowing it to be moved using essential tools. Back to . Let the hot bolts cool for 30 minutes before leaving the area so that no combustible materials are left lying on the ground. Used 8" extension for gear shift side nut. Remove the bolts: You should remove all the bolts, except for the two bolts that are on both sides of the header. Post Reply. . Aftermarket exhausts are notorious for being imbalanced and out of alignment. I noticed after getting all the 10mm bolts that attach the manifold to the head, and the two front bolts for the cross pipe (and one on the rear), that I can grab that cross pipe and . They are rusted bad and treads are missing . Repeat the process until the bolt is out of the exhaust. Rock Auto has diagrams of the exhaust system parts which show the parts and the gaskets, but not the bolts. Remove air duct leading to exhaust manifold heat shield [[email protected] 8mm clamps] 9. Otherwise, use a wrench to loosen the manifold bolts. Reply Like 07-25-2010, 09:50 . Once the flange is red, the stud should back out. 103. CC. Use a 70 xx rod.. De grease the nut and stud. 50E89C03-341D-4C98-84BB-66911062AD59_1512959219738.jpg. Heat the bolts to remove rust. The other three studs are stripped at the tip on the stud, but still functional for a new Y-pipe. I soaked the area in PB Blaster for a couple hours, then put a 12 point 14mm socket on it. lh drill bit and drill slow, it'll catch and make the bolt back out. Things were going great until I got to the last flange bolt (holding the exhaust to the catalytic converters). #10. Wades shows you a little-known trick to help loosen up some of those old, seized and corroded exha. Need to replace my Exhaust manifold fold flange bolts on my 4.0L YJ engine are the 2 bolts pressed in or welded in. I would try going in between the flanges and cutting the bolts in half. The studs are intact currently, but the nuts are completely crumbling and it appears that there is a bit of a gap in the upper bolt of the flange. You might need a little heat to persuade it. Mar 8, 2013. Replace the old flange gasket as well. Remove six stainless exhaust manifold-to-head bolts through wheel well. Aug 17, 2015. If you have a ratchet with an extension, use it to remove a rusted or broken exhaust manifold bolt. Reheat the bolt until it glows bright orange, then use the air to trigger and expel more oxygen. 4395B0F0-A0E5-4D4E-B0DE-185FB3C9301A_1512959293616.jpg. DOC Pres. Put a small pilot in first 3/32 or 1/8, the smaller the bit, the faster the RPM. 18176-P08-003 BOLT, CONVERTER. When I used a 14mm deep socket to take the non-stripped bolt off the nut/bolt head piece came off without the rest of the bolt. You can also try penetrating oil for this job. Also, the threads of the original bolts/studs are a common metric size and pitch. Spray the crap out of the flange nuts with penetrating oil and let them soak a few minutes before you remove. If not, let everything cool. General F150 Discussion - exhaust flange studs removal - Hi, can someone give me an idea how to deal with almost not existent nuts on exhaust flange between manifolds and cats? Putting cuts on the nut and bolts is a sure-shot method to remove immovable bolts. Turn off the flame and hammer the threaded side of the flange bolt rapidly. If . (the . Pneumatic wrenches make the most power, but for the lower price, go for cordless impact wrenches to remove the rusted exhaust flange bolts. Pictures are attached showing the two troubled studs with remnants of deteriorated nuts on them that I can't remove without damaging the threads. Just cut everything out in a few years when the rust catches up. Related Parts. Tighten the bolt on the splitter, and put some metal between the actuating arm and the tip of the protruding stud. Ether replace it with a junk yard one, or bring it to a machine shop. . Sep 9, 2005. The loosened bolts should come out quickly when you take them off in the next step. You may have to wiggle exhaust out of exhaust manifold studs. Decided to replace them with FEL-PRO replacement exhaust manifold bolts before they start to fail. (yellow arrow) Then remove 13mm mount fastener. Drill the stud completely out and replace with a bolt/flat washers/nut., grade 5 if you are using a SAE bolt or grade 8.8 if you use a metric bolt/nut. Broken exhaust studs seem to be a predictable problem on older vehicles. To get the new exhaust manifold back in, I had to drop the exhaust from the drivers side, by removing the nuts at the exhaust manifold flange. When checking it over I noticed a few issues around the exhaust flange. Mar 11, 2015. Even with a breaker bar, I couldn't break it loose. Nov 11, 2009. Background: I used my new air impact wrench (IR 236) and bolt extractor set to remove a rounded off exhaust flange nut/bolt from the front down pipe. Turn of your torch and then quickly hammer the threaded side of the flange bolt. Inspect the bolts and exhaust system for obvious damage before proceeding. Here's the best way I've found to get them out. Ball joint splitter. The best part is, our Chevrolet S10 Exhaust Pipe & Flange Gasket products start from as little as $2.99. They didn't break when you mega-torqued them, but that doesn't mean they wouldn't break coming off. Remove the wheel and tire and then the inner fender liner to gain access to the exhaust manifolds. Take that gasket out and weld it as is. I used a stud remover on the exposed stud but . Once exhaust has been removed, you can replace the front mufflers or repair system as needed. Figure 9. Once side now leaks even though they are . Those spiral sockets are for rounded nuts & bolt-hexes; not so much for stud extraction (which requires a deeper grip surface). So I was thinking of removing and replacing the stud bolts. 2) Take the flange to a strong metal-working vice and using a socket as a spacer behind the stud head, push the stud out the way it came in. The big metal gaskets should not see excessive clamping force or the flanges will bend making sealing difficult. Your exhaust wouldn't have come with hardware for the downpipe flange. This is because splitting the bolt into pieces reduces the tension in it thus making it simple to rotate and move. when removing studs in the exhaust manifold for the exhaust with a torch you heat the manifold area of the flange till red , not the studs too much then with a socket apply torque gradually until the stud shrinks and the stud should come out. If equipped with a manual transaxle, remove the exhaust manifold brace. Discussion in '1st Gen. Tacomas (1995-2004)' started by KingToaster, Jul 13, 2012. Edit search Login / Register My account When I broke the studs removing them I drilled the hole out and put in grade 8 nuts/bolts/washers I had in my spare parts bin. Jan 18, 2010. They can mill the studs out, but it wont be cheap. An older mechanic taught me this trick to removing rusty exhaust manifold bolts after watching me snap off a couple. I bought 2 stud bolts from the dealer (90065-PG6-000) at $10 apiece. 11. 3.9. 17169 Universal Exhaust Split Flange 1-3/4" to 2" Part No. any tips? Place the nut on the stud with about a 1/8 gap between the top of the stud and the top of the bolt. source. and yeah a propane torch wouldn't have been hot enough to crack siezed exhaust bolts. Dorman Exhaust Flange Bolt Hardware 03129. Jesus drove a Honda but he did not talk about it. [[email protected] 10mm nut and lockwashers] 10. i had to use a breaker bar on the 4 i have removed thus far as these bolts are super rusty. I they spin in the manifold you can grab hold of them with a wrench. Remove manifold heat shield. Electrical & Lighting; Brakes & Traction Control; Remove the first bolt. The corroded exhaust bolts simultaneously expand and compress when heated and then cooled to the maximum degree. I warmed the engine up to operating temperature before I tried to remove the . Relight the flames by leaving the tip 3-4 inches longer. This is common on some 4.7 L engines. One can apply suitable force with soft hands for removing rusted exhaust flange bolts in no time. Learn how to remove stuck exhaust manifold bolts or studs. Re: xhaust Flange bolts removal help check your connection at the flange. I am in the process of replacing the exhaust system (completely rusted out) in a 2008 Toyota Tundra SR5 DC 5.7L Standard length. 10. They make removing broken bolts/studs easy. Once the old exhaust was out of the way, you would have more room to work on getting the old bolts out. Advance Auto Parts has 22 different Exhaust Pipe & Flange Gasket for your vehicle, ready for shipping or in-store pick up. I have just removed a very rusted exhaust flange bolt from the bottom of the "Y" section on a Nissan 350Z. 10. Exhaust Flange Bolts. (green arrow) Lower exhaust and remove from vehicle. 99. To do this I cut the nut/bolts with an angle grinder, which left two useless stubs of a rusted bolts in the "Y" section. if you tightened up the flange bolts and the exhaust pipe is crooked, youll never line up the rest of the system. . 90212-SA5-003 NUT, SELF-LOCK (10MM) or you can just drill the old studs and get some bolt and nuts from a hardware store, this would be the cheaper way. Save Share. 1) Grind off the nuts and remove the cat complete. and I've got new bolts, donut gasket and flange. Man I wishI wouldve known this sooner!Bu. Remove the other bolt. Jul 13, 2012 at 8:24 AM #1 #1. 1997 - 2003 Ford F150 - Removing exhaust manifold flange studs - Trying to remove rusted and broken exhaust manifold flange studs on my 4.6 liter V-8 (left side). 12. Nickson Part No. I've tried lubing the heck out if it with WD-40, even letting it soak over night. It is essential to replace and release the flange bolts. Reply Like Reply Subscribe . Any exhaust place should be able to do this super cheap for ya! If stuck, raise exhaust slightly, then pull exhaust off toward rear of vehicle. Toyota 4Runner Forum - Largest 4Runner Forum > Toyota 4Runner Forum > 3rd gen T4Rs > Exhaust bolt removal: User Tag List: Reply Thread Tools: Rate . If there is any portion of the bolt/stud sticking out, this tool is your . Repeat the procedure until the bolt is pulled from the exhaust. Make the first fillet pass of weld on the edge of the nut/stud, not in the center. UOFan, May 1, 2020 #11. Removal of Exhaust Bolts. Step 4: Use a ratchet or wrench to loosen the bolts. Nov 26, 2010. But if you aren't going to save the old exhaust, you could just cut through the rear flange. By the way, it works on most any. Sponsored. The spring bolts that hold the rear converter to the front converter were really rusty as well. Hi folks - my muffler just kick the bucket. exhaust flange bolts removal - driver's side. Mar 29, 2017. We had a shop cut the flanges and weld in a short pipe instead. No problems there. Discard the exhaust converter inlet gasket, then remove the Y pipe. Nov 1 . KingToaster [OP] Member. When I went to remove the driver's side flange bolt (muffler to cat) I found that some jury-rigger had welded the flange together. . In addition both sides of the braided part of the flex pipe are completely unattached. SELECT STORE. I had already broken the joint with the center section. Thread this hole to the proper depth using the specified tap.3. i am in the early phases of removing my engine and i am stuck trying to figure out how to get to the top 2 driver's side exhaust flange bolts, passenger side was easy as there is more room. OK, just went on a marathon of exhaust bolt removals in the sun. My OEM Y-Pipe on my 1995 LC broke (150K). The bolts on the flange from ta Join us now! Jan 23, 2009. ha, that exact same thing happened to me, i had to drill the hole completely bigger, and tap new threads in it, use a little bigger bolt, but you will have to waller out the flange where the bolt goes through on the exhaust so the bolt will fit through, or just buy a new head, cause that was a . Remove the manifold to exhaust pipe bolts from the exhaust pipe flange as follows: Unscrew either bolt clockwise 4 turns. SKU # 426025. I also included an example of how. How we removed rusty muffler exhaust bolts and what I wish we would have done first! Indy shops just go to their hardware boxes and pick something that fits. There's also a gasket needed. When it comes to your Chevrolet S10, you want parts and products from only trusted brands. One of them came free and the other snapped at the head. Repeat the process until the bolt is out of the exhaust. Now I'm left with a tailpipe corroded onto a short length of exhaust pipe. Messages. Engine. Remove the stud bolt and nut retainer from the oil pan, then remove the two remaining nuts and bolts from U pipe outlet connection. The socket keeps slipping. Re: xhaust Flange bolts removal help. I've tried a pipe wrench, and even bought a set of craftsman sockets made just for releasing rounded bolts (what a waste of $50). Leave the back box in place. The bolt would then start to melt. The catalytic converter bolts are press in studs almost like a wheel stud. May 1, 2020 at 10:30 AM #12 #12. Part # 03129. Discussion in '1st Gen. Tacomas (1995-2004)' started by UOFan . By 383ss, September 11, 2004 in Engine Tech And Modification. Step up to a 3/16 if your centered up good. Wyoming09 Well-Known . Direct replacement - this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Let the hot bolts cool for 30 minutes before leaving the area so that no combustible materials are left lying on the ground. Site Navigation . I need to remove the rusted bolts on the flange ( y pipe to cat ) and wd 40 is out of question Dorman Exhaust Flange Bolt Hardware 03129 $ 12. (my exhaust are not stock btw) JMO Gary . Delivery Aug. 24. Exhaust support bolt removal. 347 Posts . 17169 $4.25 (includes online discount and tax) - I did not use the nuts and bolts provided: Walker 31387 Exhaust Gasket Sold by: Amazon.com Services LLC $9.85: Walker 35129 Exhaust Spring Bolt Kit Sold by: Amazon.com Services LLC $9.99 - Used the nuts and bolts from . Ram Year. M8 tapping drill (i used 5 mm and 6 mm drill before using tapping drill (6.9 mm)) 6. Please refine your search by(Localization + What, who? Add TO CART. Home Delivery. I've never broken one, but I know it's a PITA if you do. I am using stainless A2-70 grade fasteners, they have a 102,000 psi tensile strength, and a 65,000 psi yield strength. The bolt would then start to melt. See all 21 photos. . First one I tried to remove with a 10 mm socket was really tight and broke right off about 3 threads into the head. 12. That lower flange has studs, they are not just bolts and nuts. So , I'm exhausted and still a bit confused. Put Cuts On The Bolt. Remove the radiator outlet pipe from the oil pan and transaxle. If it wont come out, repeat the process. Remove that tab. 8. Thanks for watching.-WillThanks for watching & following the Debt Free . Ideal solution - this stud and nut are reliable replacements for original parts that are missing or have failed due to wear. The bolts will be located on the exhaust port. removal of the manifolds and using a drills with cutting oil you can drill out the old rusted studs. Discussion .