Based on a discussion with a friend, who has been an Acura mechanic for over 20 years, I will be bypassing the transmission cooler inside the radiator. Towed it to the mechanic and the transmission was toast. The "bypass" is a band-aid. Hey everyone, The other day, i noticed a leak on a tube connecting to the radiator. Measure the height, width and depth of the area where you want to mount the transmission cooler and those dimensions will help you select the appropriate size cooler. There really isn't room to sandwich a second cooler behind it. So now that I am in rebuild mode. . Another way to prevent getting this page in the future is to use Privacy Pass. 100k miles, thank you to everyone who contributed to this thread so far. The Nissan Factory Service Manual calls for radiator replacement at 120,000 mile intervals. 1: Your transmission cooler features brackets for rigid mounting to your vehicle’s chassis and may be mounted in various locations in front of the radiator or A/C condenser. Better to invest the money and time now, than $4000 later. Thank you so much for your instructions and pics man. One important thing to consider when installing a transmission cooler is the size of your transmission lines. OK well that mech quoted me 650 to replace radiator. So much conflicting information. IMHO it is better to bypass the built-in cooler . Just slipping. • I have a new radiator coming, the Koyorad. The radiator is typically at 180 degrees. The "bypass" is a band-aid. ...B&M 70268 Transmission Cooler[/url] and will be installing it this week. Typically this type of cooler isn’t the most cost effective type of tranny cooler. Cloudflare Ray ID: 62260b01da15749f Going through the RAD first, keeps the temp steady, then through the cooler for the additional stage. I have 2008 frontier SE 4.0 liter with transmission cooler located in the radiator and it has failed 2 (2 x new radiators) leaking tranny fluid into the radiator and getting water in my transmission. Curious, were you driving slow in 4hi for an extended time? I have a 2011 pathfinder. I have a e52 Nissan Elgrand. I've got a Koyorad A2807 loaded in a shopping cart awaiting his response. Please enable Cookies and reload the page. The capacity to transfer heat from water to water (the radiator cooler) is 60-70 BTU / sq ft. You do not want to bypass the radiator. blackice168 wrote: ↑ If the transmission cooler is part of the radiator, it means it uses the coolant temperature to regulate the temperature of the transmission fluid. . fluid that dribbled out looked and smelled correct. The air cooler may also cool the fluid beyond the optimal operating temperature. Anyone experience this or have advice on what could be the issue? MDXs come with factoey installed trans cooler;therefore, this was used inline with the factory cooler. Because the optimal temperature for a transmission is around 160-180 degrees. • So is adding a second external cooler. The factory bypass cooler valve is located under the air intake assembly. For a better experience, please enable JavaScript in your browser before proceeding. I agree with what Mr. Bills said; the bypass is a band aid and should be considered temporary. I did the bypass after i replaced the radiator and flushed the system, now the same transmission issue I had when smod was happening is happening again. $6500 is what a full rebuild and cooling system replace will cost. . Will putting an oil cooler in front of the radiator increase the engine operating temperature? Expert Reply: I verified with my contact at Derale that the Derale Hyper-Cool Transmission Cooler, # D15960, will work to bypass your radiator and cool your transmission fluid. That's right folks. Do the bypass, it is a matter of time. Does anyone have a parts list, not including the transmission of what I would need to replace post SMOD? . The in-tank cooler offers additional cooling and helps preheat the transmission. Most will get a aftermarket trans cooler like the sr4588 Long tru cool and bypass the plastic radiator. Performance & security by Cloudflare, Please complete the security check to access. I would HIGHLY recommend replacing or rinsing throughly the radiator overflow tank, hoses, etc. Ok, i heard many of you guys say you should bypass the radiator when installing a TRANSMISSION cooler, i know for damn sure that u shouldnt, why do u ask? Was thinking the stock cooler may be enough but...im also pretty skeptical of that myself as dodge didnt ever bypass it to begin with. The plastic radiators used today in all cars and trucks will fail eventually and unfortunately the transmission lines run through the radiator where the cracks happen which can flood the transmission with coolant on the Nissans. So the aux cooler would have to be 30 times larger than the radiator cooler to be able to preform the same amount of cooling. 2006 & 2009 Red Brawn & Navy Blue Xterra OR's. Thanks to the OP for this one is a gem! http://www.thenewx.org/forum/11-pow...ic-radiator-part-numbers-associated-smod.html, https://www.thenewx.org/forum/3401241-post30.html, https://www.thenewx.org/forum/3400129-post23.html, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. JavaScript is disabled. Makaan Online | Real Estate Consultant in Bhopal | Residential | Commercial. Putting the aux cooler in front . See this analysis of and MDX leak. Installed this bypass a year and a half ago, as soon as I bought my X and I've had no problems at all in the last 12k miles. I bought the AM autoparts radiator for 100 and Brakemasters charged me 225 to put it in. Just follow the first post i had. I just bought a 2008 4x4 offroad auto with 67k original miles on it from a member here and after reading 75% of this thread I spent 15 minutes doing the bypass. Being a newbie to automotive repair, I wasn't quite sure why transmission fluid would be going to the radiator. The external trans cooler is 30cm by 30cm :crying: Wow, great thread, I actually read 50 pages of it. I want to install a trans cooler. unless ur cooler is the size of a condenser then u shouldnt, i dont think an 11x8x3/4 cooler is enough to cool down a huge full size transmission especially when u have a SUPERCHARGER hooked upto to the engine. The stock cooling systems of both the 68-RFE and Aisin AS69RC utilize an in-line thermal bypass valve that controls the flow of fluid to the transmission cooler. Feb 19, 2013 - 6.5 Year Update 19 Sep 2016: NOT A SINGLE ISSUE HAS EVER COME UP DUE TO THIS BYPASS. A major selling point for LinCo’s bypass valve is that you don’t have to break any transmission lines loose to install it. Home; Search Properties; Search Projects; Contact Us; transmission cooler bypass I think I would bypass the radiator all together with your new lines and just run through the external cooler in summer and bypass it for winter. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. All, I am brand new to the forum and have a 2008 with 89000 miles. I have a punisher comp valve body with a 2400 stall and a 6.0L transmission cooler.Would it be alright for me to bypass the radiator? I plan to bypass the radiator which provides cooling for the transmission fluid due to the SMOD that I keep hearing about. But in Harrisburg, PA, downside of bypassing radiator trans cooler is ATF too cold in winter. . Should I bypass radiator transmission cooler? A separate cooler will have the temperatures fluctuating too much. in addition to the radiator to insure no further cross contamination. The New X is the ultimate club Xterra. For an older radiator, adding an ATF cooler that bypasses the radiator trans cooler can avoid leak of ATF and coolant if the old connections corrode and leak. OK, better to be safe than sorry with this. Because of their design, heat sink transmission coolers are used in remote locations, such as a frame rail close to the transmission. This is because the transmission adds heat to the cooling system, and you want the engine to run at a constant temp, but depending on road conditions, the transmission may opr may not be running hot. Adding a second cooler in front if it will reduce airflow to the factory cooler and thereby reduce its efficiency. does this apply to the pathfinder as well? Even after I install my new CSF Rad I will keep this mod installed. So not finding anything using search (as usual), but is it wise to bypass the radiator cooler for the transmission cooler lines? My old rad sprung a leak at some point and compromised my transmission to some degree. Tube and fin transmission coolers, as the name implies, is a simple type of trans cooler that utilizes a tube design that trans fluid flows through while having external fins that dissipate the heat.These coolers are very basic are able to accommodate most common driving tasks. Rad and fluids look fine but my last mech said I should replace the rad. The proper fix for a suspect radiator is to replace it, not work around it. High at idle, and < 35 MPH. You put the cooler on the return line, after the rad. had to buy a remanufactured transmission and putting an external transmission cooler on. Sounds like 2 options: We’re the best Nissan Xterra forums to talk about your Nissan Xterra Mods and off-road adventures. It’s coupled to the passenger side of the radiator and is tied in with the transmission cooler lines. Wisbike. The best place to mount the transmission cooler is between the AC condenser and the grill. and bypass. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. You may need to download version 2.0 now from the Chrome Web Store. By removing the radiator cooler, you most likely removed at least 50% of the transmission cooling capacity. If you live in a very warm area, it may be better to bypass the factory transmission cooler in the radiator in favor of a larger, external transmission cooler. Remember, you want the maximum air flow through the oil cooler, so mount the cooler in the best location relative to the grill air opening of the vehicle. Bottom line is that adding a second external cooler will not add much to the total cooling capacity to the ATF cooling circuit. One of my transmission lines were leaking so I bought all new lines installed them and someone told me the stock cooler on side of block is known for leaking internally mixing the coolant/trans fluid and destroying the transmission so after some research I found a fleece coolant bypass kit that bypasses the cooler on … Do I also need a new transmission cooler? Transmission Oil Cooler. Should I run with the radiator cooler or just bypass. Alright,I did a search and seen a post where a transmission builder made the comment about the lines going to the radiator are for cooling,not for heating up the transmission fluid? The transmission cooler does a decent job of keeping transmission fluid temperatures in check, but only if the fluid can reach it. Your IP: 3.82.52.15 My lower tech way of doing this on my old 02 silverado that had a TruCool 40k cooler was to zip tie an extra license plate to the front of the cooler in the winter to block airflow. They don't last forever. You could always bypass the radiator and put a small fan on the front of the cooler itself, I've seen them on ebay. Wealth of knowledge here, can't wait to read and research more (and ask plenty of dumb questions). The other reason for the cooler is to bypass the in-rad cooler, which are known to fail at the connecting point, which causes the transmission fluid to mix with the coolant (strawberry milkshake, google it".
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