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Re: My 97 jetta is pouring oil out of i think the oil...
There are o-rings that can be replaced, but you should remove the unit and inspect it for a breach in the tubes before you replace them to be certain that is the issue.
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That is the engine oil cooler. There is a 'O' ring between it and the oil filter mount. They harden and crack.
Ask your dealer for the large Oil Cooler 'O' Ring.
Remove oil filter. Remove exposed pipe nut holding oil cooler to housing. If nessacary, drain coolant so you can disconnect coolant hoses from cooler or catch coolant as hoses disconnected. Swing oil cooler away and remove old 'O' ring.
Place new 'O' ring with grease on oil cooler it to hold it in place and reassemble. Tighten oil filter pipe nut to around 18 ft lbs .
Refit oil filter. Refit coolant hoses and top of oil and coolant. Run engine to check for leaks and allow to cool. Top of coolant to COLD level if required.
You will need hose clamp pliers and wrench for oil cooler pipe nut. Pliers can be obtained from most parts stores.
The box is the oil cooler.
The oil is most likely leaking from the oil cooler seal. The oil cooler is the square aluminum piece that the oil filter screws onto. To replace the seal, remove the filter, remove both coolant hoses that attach to the cooler, remove the nut that secures the cooler to the block and slide the cooler off the tube. Replace the rubber o-ring seal which is available at the VW dealer. It's inexpensive. Replace everything in reverse order. Good luck
The oil is most likely leaking from the oil cooler seal. The oil cooler is the square aluminum piece that the oil filter screws onto. To replace the seal, remove the filter, remove both coolant hoses that attach to the cooler, remove the nut that secures the cooler to the block and slide the cooler off the tube. Replace the rubber o-ring seal which is available at the VW dealer. It's inexpensive. Replace everything in reverse order. Good luck
The oil is most likely leaking from the oil cooler seal. The oil cooler is the square aluminum piece that the oil filter screws onto. To replace the seal, remove the filter, remove both coolant hoses that attach to the cooler, remove the nut that secures the cooler to the block and slide the cooler off the tube. Replace the rubber o-ring seal which is available at the VW dealer. It's inexpensive. Replace everything in reverse order. Good luck
The oil is most likely leaking from the oil cooler seal. The oil cooler is the square aluminum piece that the oil filter screws onto. To replace the seal, remove the filter, remove both coolant hoses that attach to the cooler, remove the nut that secures the cooler to the block and slide the cooler off the tube. Replace the rubber o-ring seal which is available at the VW dealer. It's inexpensive. Replace everything in reverse order. Good luck!
I have a 1997 jetta and have been through this. Go to the volkswagen dealer and have them pull up the oil cooler housing. You will see a gasket (o-ring) that seals the two pieces of this housing together. Buy that. Your old one has gotten brittle from years of extreme temperature swings and cracked ( it will be like hard plastic when you remove it.) Unscrew your filter, take a 27mm socket (prob need deep well) and unscrew the nut at the top of stud where the filter screws to. Take it all the way off and remove the old o-ring. Clean the area well and put your new oil swabbed o-ring in and reverse the above steps. 30 min 8 dollar fix. Good luck!
There are two items that can be leaking oil there. There is a gasket between the oiler cooler flange (the item attached to the engine), and the rubber gasket/seal that goes between the cooler and the flange. (the latter is the one that leaks most often as most oil change shops over tighten the oil filter).
I just replaced the gasket between the cooler and flange recently.
I chose to do it quick and dirty:
1. remove oil filter
2. remove oil filter nipple (the portion you screw the filter onto)
2a. you'll need a deep well socket to get the bolt that holds the cooler tight (I believe 27mm) 2b. pull down the cooler, Grab the nipple with a pair of pliers between the flange and cooler and loosen/remove
3. remove old gasket/seal and clean surface
4. put new seal/gasket in place
5. re-seat the nipple back in. use the pliers method, just make sure you don't scar the threads where you NEED them( you don't need all of them).
6. put some gasket sealer (oil friendly) on the gasket and make sure its in place
7. tighten oil cooler onto flange with large nut and socket
8. replace oil filter and add oil as needed.
it is a tight working area, expect some scrapped knuckles, but it isn't too difficult.
good luck
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