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Remanufactured Jeep Grand Cherokee Transmissions 

  • Learn about common Jeep Grand Cherokeetransmission problems 
  • Everything you need to know when shopping for a Jeep Grand Cherokeetransmission for sale 
  • How and when to buy a remanufactured Jeep Grand Cherokeetransmission 

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Remanufactured Jeep Grand Cherokee Transmissions 

 

Even though the Wrangler is the most recognizable Jeep models, the Jeep Grand Cherokee is one of the most influential and best selling modern SUVs to wear the famous seven slot grille. Unfortunately however, transmission problems from the 46RE, 545RFE, and W5A580 can be a very negative influence on your bank account. So let’s take a look and see if installing a remanufactured Jeep Grand Cherokee transmission can provide a more permanent and cost effective solution to your problems. 

 

Jeep Grand Cherokee 545RFE Transmission Problems  

 

Delayed and/or harsh 3-4 or 4-5 shifts 

Problem – Owners may experience an unusually delayed or harsh 3-4 or 4-5 gear change, where the transmission doesnt seem to want to go into that particular gear. 

Solution  This issue is related to valve body problems where the material used to make one of the checkballs has broken down to the point that fluid is able to get past and engage the underdrive clutch during those shifts. An upgraded #2 checkball will be needed to solve the issue. 

 

Solenoid Pack: With no transmission bands, the electronically controlled 545RFE relies on a solenoid switch pack to direct fluid to the correct clutch pack for gear engagement. If the solenoid pack goes bad, youll experience no gear engagement, engine stalling, limp mode, or failure to engage overdrive. 

 

Slipping and Delayed Gear Engagement: The transmission pump has a little valve mechanism inside it, which controls the fluid pressure being transferred from the torque converter. If it goes bad, youll have delayed gear engagement, transmission/torque converter overheating, stalling, slipping, and reduced fuel economy. 

 

Jeep Grand Cherokee W5A580/NAG1 Transmission Problems  

 

Transmission Shudder or Buzzing Noise 

Problem – Owners may experience a shudder vibration and/or a high-frequency buzzing sound. This W5A580/NAG1 transmission problem may be most noticeable during light acceleration where partial application of the torque converter clutch happens in 3rd, 4th, or 5th gears. The reason this happens is because water has gotten past the transmission oil fill tube/dipstick seal. Contaminated transmission fluid can cause the TCC to stick and/or slip. 

Solution – If the contaminated transmission fluid has not caused a lot of damage, the transmission and torque converter may be able to be flushed to cure the problem. However, if the contamination is severe, the torque converter will need to be replaced, and the transmission inspected for signs of other damage. The transmission fill tube seal will also need to be upgraded. 

 

Slipping, Erratic Shifting, Harsh Forward or Reverse Gear Engagement 

Some of the most common Jeep Grand Cherokee W5A580 transmission problems are slipping between gears, erratic up or down shifts, or a hard slam when the W5A580 transmission engages Drive or Reverse. There are a number of design flaws in this transmission, and any one of them could be causing these symptoms. 

 

How to Solve Jeep Grand Cherokee Transmission Problems 

 

Solution A: Buy a Used Jeep Grand Cherokee Transmission  

Going to the local junkyard and picking up a used Jeep Grand Cherokee transmission might seem like the cheapest and fastest option. But you need to consider the fact that you don’t know what the actual shape of the internal components are. It could very well be on the verge of transmission problems of its own, which would leave you in the exact same predicament that you’re in now. And that 30 – 90 day junkyard warranty probably won’t cover labor charges to install the replacement transmission if something goes wrong. 

 

Solution B: Buy a Rebuilt Jeep Grand Cherokee Transmission  

Getting a rebuilt Jeep Grand Cherokee transmission would probably seem like a better idea. However, a lot of mechanics and transmission shops will only rebuild your Jeep Grand Cherokee transmission back to its original factory specifications. Which means that all of those factory design flaws are still going to be inplay. And that rebuilt transmission warranty might only be good at certain shops, which could do you no good if you have transmission problems while you’re traveling. 

 

Solution C: Buy a Remanufactured Jeep Grand Cherokee Transmission  

If you want to get the most service life out of your little luxury SUV as possible, then you really should consider a remanufactured Jeep Grand Cherokee transmission from Street Smart Transmission. Each one is completely disassembled and re-remanufactured, so nothing is left to chance. Theyre also modified to correct the factory design flaws, which will greatly extend the service life. Plus, you get a 3-Year/Unlimited Mile Nationwide Warranty. This will cover parts and labor charges at any licensed repair shop in the Continental United States, giving you a lot more flexibility and coverage.