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  1. Videos
    After more than 200,000 miles, I'm starting to wonder how long my Jeep's engine will last. Here are the results from its recent oil analysis:
  2. WJ Grand Cherokee Forum
    Just noticed a drip spot on my driveway and looked under the jeep to see this. Extremely frustrating considering I just had a rear main seal leak repaired. Is this a common leak? It seems to only have oil right up front, and nothing visible from the top of the engine. Nothing any farther...
  3. Engines & Drivetrain
    I just discovered that channel, looks like useful tech information on oil chemistry.
  4. WJ Grand Cherokee Forum
    Good afternoon all. I was wondering I heard lots of different opinions on this and I wanted to find a definitive answer on it. I've seen and heard talk that you can use 15w-30 in the 4.0 wj and it won't harm then engine and it also has its benefits. Is this true ? What oil does all of you guys...
  5. XJ Cherokee Technical Forum
    I’ve read around the forum, and I’ve come to the conclusion that the oil doesn’t matter too much as long as it’s conventional. However, I’m trying to figure out the weight. Right now, in WI, it’s not too cold, but I’ll be daily driving it in the winter, so I want to make sure I have the right...
    oil
  6. XJ Cherokee Technical Forum
    So I'm blowing oil into my airbox and I think it might be because I changed to a high volume oil pump. I changed out my old vacuum lines with new ones but it's still happening . I was wondering if a 2000 jeep cherokee valve cover would fit on my 1990 or if anyone has dealt with this before.
  7. Jeep CJ Forum
    My jeep sat through the winter and I just got it started today. It started easy enough but the engine began making awful noises. Looking at the manual gauge, I had no oil pressure. The PO said he replaced (rebuilt) the oil pump but I don’t have the details and that was many years ago...
  8. WK Grand Cherokee & XK Commander Forum
    I was looking under my car because I have an oil leak which I think I figured out is my oil pan seal. But then I looked to the rear and saw a hole where I could see my flywheel. Is that normal?
  9. Jeep Grand Cherokee & Commander Forums
    Hey there, this is my first post. So far i was assuming ZJ cooling the oil thru main radiator by sharing with water cooler. Yestarday i dismantled everything and noticed there is no oil cooler at all. that extra radiator connected to transmission oil cooler. my question is, do 5.2 zj's have oil...
  10. Engines & Drivetrain
    I have a 2007 4.7 jeep Grand Cherokee WK with 68.000 miles on it. I purchased it second hand and I've been using castrol 10w40 syntehic blend for the 3 last oil changes. I don't use this oil thicknes because the engine is consuming oil(it don't consume even a drop of oil) I use it primarily...
  11. Jeep CJ Forum
    I'll be dropping my new to me 86 CJ7 off at the local 4x4 shop Saturday morning to have the engine tuned up and the carb gone through. Gonna have the clutch, suspension and brakes inspected. Ive researched the VIN, and it shows the jeep came from the factory with the 258 I6 and an auto...
  12. Engines & Drivetrain
    2018 Jeep Grand Cherokee Laredo. Attached picture. I recently go an oil change and notice that I had a small drip of oil in my garage. Got underneath and there was a rubber cover of some sort on the passenger side a little above the oil plug. It didn’t really leak unless you pressed/moved the...
  13. Engines & Drivetrain
    So i am going to change my engine oil and am a bit confused about which one to buy well I know it should be 5w 30 API SN SM but in my local auto part store which has most stuff for VAG group cars and Volvo has 5w 30 but I’m different variants that some are a lot more expensive than the others...
  14. WK2 Grand Cherokee Forum
    Hi everybody! My wk2 2011 3.6 consumes 700 ml/1000 km. I bought it when it was 170 000 km, and from beginning it consumed oil. Catalysts in place. Was fixed cylinder head,but the consumption didn't leave. Oil is only in 5th and 6th cylinder (Nearest to the salon). Visually cylinders are in very...
  15. WK Grand Cherokee & XK Commander Forum
    Pretty sure it is just the switch that have gone bad but just wanted to hear what y'all think! Summary of the problem: The light only only comes on after the engine is warmed up and when the car is at low speed. As soon as I step on the gas it goes away. This first happened ~2k miles after the...
  16. JK Wrangler Technical Forum
    First off, sorry if there is already a post answering this question. I'm new to the Forum. I just bought a used island Jeep for a killer deal. - BACKGROUND - 2009 Jeep Wrangler Unlimited X w/ 3.8. 107K miles on it. First thing I did was replace the oil pan gasket and valve cover gaskets. I...
  17. TJ Wrangler Technical Forum
    Hello everyone! I have a few small issues on my 2005 jeep LJ id like to ask about. #1 it has recently started getting cold out, YAY. this is my first fall or winter with this jeep and im running into a few issues with my transmission. when the tranny is cold in the morning below 55...
  18. Engines & Drivetrain
    Does anyone know the clearance between the oil pickup and the bottom of the oil pan for an small bock AMC engine (304/360)? I am in the middle of redoing a 1979 CJ7 and decided to go with a 360 crate engine (all new components: Oil pickup, pan, etc). Originally, the jeep had a 304 but I...
  19. WK Grand Cherokee & XK Commander Forum
    Was given a Topsider Oil Extractor for Christmas. Very civilized way to change oil. No raising the Jeep, no sliding under vehicle, no spilling and much faster and neater. That's the good news. Works perfectly with my 2002 Grand Cherokee, but last weekend I attempted to change the oil in our...
  20. XJ Cherokee Technical Forum
    Hi all. New here and not super experienced. Bought a '92 XJ 4.0 as a project that (supposedly) only needed a fuel pump replaced. Wasn't running when I bought it, not sure how long it sat in the lot since it last ran. After replacing the pump, I tried to start the Jeep for the first time and the...
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