Question about 2001 Chevrolet Silverado 2500HD

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Oil leak around were oil cooler lines go to engine

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

Molson02536
  • 3854 Answers

SOURCE: oil cooler lines leaking

Inspect where the oil is leaking from the oil cooler line, it's common for the oil to leak from the remote oil cooler line adapter bolt on the engine block. You can remove the two bolts one at a time and place a oil drain plug washer with some RTV silicon to ensure that it will not leak.

The other common place for the oil line to leak is from where the rubber lines mate to the aluminum line from the remote oil filter line adapter. This is also a simple fix but you're going to need a drumlin tool cut off the old compression clamp that was press fit. Cut off the old compression fitting ring, use cation that you only cut off the ring and replace it with a new compression clamp. Make sure you use compression clamps and not a hose clamp.

This is the best way to fix the oil leak from the adapter line to the rubber hose line, to replace the whole line with the new adapter is expensive and i believe your have to disconnect the engine mount to raise the engine to clear enough room to install the new line along the frame.

Good luck and don't use any engine oil stop leak, it will damage your oil pressure relieve valve and that's one extra thing you don't need to replace.

Posted on Feb 15, 2010

  • 132 Answers

SOURCE: 1998 chevy blazer oil leak

Yes you should be able to change it by yourself. It is pretty simple. It will save alot of money

Posted on Jan 30, 2009

Molson02536
  • 3854 Answers

SOURCE: The oil cooler lines on my pick up are leaking.

If it's the oil lines form the back of the engine on the driver's side, your going to have to unbolt the engine mounts on the driver's side and lift the engine a little to remove the oil lines  which runs between the engine and frame. Start with checking the bolt's that hold the oil lines to the engine, there common to leak and there is an easy fix for that. Buy a oil plug ring gasket and use that between the bolt the remote oil filter line mount's. Your going to need two of them, I used the copper gasket and some Silicon to repair mine. Good luck and hope this is where the leak is coming from, oh and a little lock tight is a good thing to use here too. Keep me posted and let me know after you clean the area up with Brake Parts Cleaner to determine where the leak is coming from. 

Posted on Sep 22, 2009

jingB
  • 19 Answers

SOURCE: Coolant leaking into the engine oil. I'm guessing

Hi there, your in the right track about your guesses, better start small. Start with the oil cooler. I not very familiar with the monte carlo but if it has 2 coolant hoses one for input and the other one is output. Change your oil , then remove the two hoses from the oil cooler and plug-off the hoses temporarily( I use a rounded wood). You must secure the hoses to avoid leaking or bursting that why I use wood to plug the hoses(tight fit) then secure them with hose clamps. Next is to start the engine and wait until it warms up and let it run for a while. Well if find no coolant in your oil then surely your oil cooler is at fault. 

But then again, I don't know the leak rate of your coolant in your engine. If you tried removing the radiator cap and run the car a while and theres no coolant leaking then we are talking about a small fissure, but if your coolant still leaks in then its a big crack.

Hope this helps.

Posted on Sep 29, 2009

  • 14036 Answers

SOURCE: replace oil cooler line leaking

CHECK TO MAKE SURE LINE IS TIGHT IF SO REPLACE THE OIL COOLER LINE ITS LEAKING.

Posted on May 02, 2010

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1 Answer

How to replace oil; cooler on this year


  • Service and Repair
Oil Cooler Replacement

Removal Procedure

  1. Raise and support the vehicle. Refer to Vehicle Lifting.
  2. Drain the engine oil and remove the oil filter housing.
89116492

  1. Loosen the oil cooler outlet (1) and the inlet (2) lines from the engine block.
  2. Lower the vehicle.
  3. Remove the intake plenum.
  4. Remove the intake manifold.
89116493

  1. Disconnect the following electrical connectors from the water crossover:
    • The engine coolant temperature sender (2)
    • The engine coolant temperature sensor (4)
84936658

  1. Remove the water crossover bolts (1).
  2. Remove the water crossover upper and lower seals (2).
84942881

  1. Loosen the upper heat shield bolts on the left side of the exhaust manifold.
89116496

  1. Remove the oil cooler outlet line from the engine oil cooler.
  2. Remove the oil cooler inlet line from the engine oil cooler.
84942883

  1. Note the positioning of the 4 seals.
84972057

  1. Position the oil feed and return,lines out of the way and secure with mechanic wire.
  2. Remove the engine oil cooler, inlet and outlet nuts (1).
  3. Remove the engine oil cooler cover bolts (2).
84942883

  1. Remove the engine oil cooler cover.
  2. Remove the engine oil cooler.
  3. Clean all sealing surfaces.
Installation Procedure
84972056

  1. Install the engine oil cooler.
  2. Apply a 2 mm (0.08 inch) bead of RTV silicone sealant, GM P/N 12346240, in the groove around the engine oil cooler cover.
  3. Install the engine oil cooler cover.
Notice: Refer to Fastener Notice in Service Precautions.
84972057

  1. Install the engine oil cooler cover bolts (2). Tighten the engine oil cooler cover bolts to 30 Nm (22 ft. lbs.).
  2. Install the engine oil cooler inlet and outlet nuts (1). Tighten the engine oil cooler inlet and outlet nuts to 20 Nm (15 ft. lbs.).
  3. Reposition the oil feed and return lines.
84942883

  1. Install the oil cooler outlet and install the oil cooler inlet lines to the engine oil cooler. Use 4 new seals.
Tighten the oil feed and return lines to 30 Nm (22 ft. lbs.).
84936658

  1. Install the water crossover:
    • Position the crossover.
    • Install the upper and lower seals (2).
    • Install the water crossover bolts (1). Tighten
Tighten the water crossover bolts to 30 Nm (22 ft. lbs.).
  1. Connect the electrical connectors at the following locations:
    • The engine coolant temperature sensor (4)
    • The engine coolant temperature sender (2)
  1. Install the intake manifold.
  2. Install the intake plenum.
  3. Raise the vehicle.
89116492

  1. Install the oil cooler outlet (1) line to the engine block. Tighten the oil cooler outlet (1) line to 30 Nm (22 ft. lbs.).
  2. Install the oil cooler inlet (2) line to the engine block. Tighten the oil cooler inlet (2) line to 30 Nm (22 ft. lbs.).
  3. Install the oil filter housing to the engine block. Tighten the oil filter housing to 45 Nm (33 ft. lbs.).
  4. Lower the vehicle.

Dec 22, 2014 | 2001 Cadillac Catera

1 Answer

Oil is shooting out truck


WELL IF ITS ENGINE OIL SHOOTING OUT CHECK AROUND OIL PRESSURE SENDING UNIT AND OIL FILTER SEAL LEAKING OR OIL FILTER HAS A HOLE IN IT. IF YOU TALKING ABOUT TRANSMISSION CHECK TRANSMISSION COOLER LINES GOING FROM TRANSMISSION TO RADIATOR.

Sep 18, 2011 | 1998 GMC Yukon

1 Answer

Engine oil cooler line leaking. Is it easier to bypass the cooler or replace?


its best to replace the oil cooler lines.this should have the lines that run from the radiator to the oil filter housing and when you replace the line you will get both lines as they are made be replaced together.bypassing the line is hard to do takes more time and will leak as you can`t get it to seal properly.

Sep 15, 2011 | 1995 Chevrolet C2500

1 Answer

Leaking transmission fluid


TRANSMISSION FLUID LEAKS,CAN BE FOUND AROUND PAN GASKET.CHECK PAN GASKET,IF IT LOOKS WET AND YOU SEE FLUID DRIPPING AROUND THE EDGE OF OIL PAN, REPLACE PAN GASKET, WHILE YOU REPLACING PAN GASKET REPLACE TRANSMISSION FILTER WHILE OIL PAN OFF.IF TRANSMISSION OIL PAN NOT LEAKING, CHECK TRANSMISSION OIL COOLER LINES GOING INTO RADIATOR YOU WILL LOOSE A LOT OF FLUID THERE ALSO TORQUE SHAFT SEAL WILL CAUSE HEAVY FLUID LEAK WHILE ENGINE RUNNING CHECK OIL COOLER LINES AND LOOK AT THE TORQUE AREA WHILE ENGINE RUNNING YOU WILL SEE FLUID POURING WHILE ENGINE RUNNING THE OIL PUMP PRESSURE WILL PUSH FLUID OUT AT THE LEAKING AREAS.

Aug 01, 2011 | 1991 Nissan Stanza

1 Answer

Bottomed my 98 jeep cherokee in ruts discovered a oil leak broke is it possible it that it broke the seal loose on the oil pan when it hit. its in that area around the oil filter and cooler lines


If you dented the pan, it's possible but still not real likely that the rail gasket was damaged but I'd actually look at it real closely and first, see if it's trans fluid or engine oil that's leaking, then clean everything off, start it, and find the exact leak source. I've broken the trans cooler lines at least three times going off-road, in the same place you say yours is leaking....The last time it happened, I re-routed them to keep it from happening again.

Apr 03, 2011 | Jeep Cherokee Cars & Trucks

1 Answer

I have a 1993 gmc sierra Z71 4wd with a 350 i started my truck and it was running for a minute and heard a gurgling sound and looked under my truck and there was a puddle of oil underneath with a steady...


You need to remove the filter and unbolt the oil cooler assembly from the block. There is a large O ring that seals the cooler assembly to the engine block. Replace it. Also examine or replace the fittings where the lines attach to the side of the cooler. It is bound to be one of those issues.

Dec 16, 2010 | GMC Sierra Cars & Trucks

1 Answer

My 2000 Ford Expedition has a major oil leak from somewhere around the Starter or Oil Filter housing, Looks like it's towards the front of the Motor, What could be leaking and how do I fix it?


Could be a number of things. Oil pan gasket, check around oil pan to see if its wet. Front crank seal could be leaking and blowing back if its bad enough. Check around and in behind your crankshaft pulley. I would also check your tranny cooler lines and power steering lines, if they are leaking bad enough the oil will get blown back when you drive. Also check to see how high up the engine the oil starts coming from that will give you some indication of where it starts.

Dec 01, 2010 | 2000 Ford Expedition

1 Answer

Oil cooler lines leaking. Motor losing all the oil within 10 minutes.


Inspect where the oil is leaking from the oil cooler line, it's common for the oil to leak from the remote oil cooler line adapter bolt on the engine block. You can remove the two bolts one at a time and place a oil drain plug washer with some RTV silicon to ensure that it will not leak.

The other common place for the oil line to leak is from where the rubber lines mate to the aluminum line from the remote oil filter line adapter. This is also a simple fix but you're going to need a drumlin tool cut off the old compression clamp that was press fit. Cut off the old compression fitting ring, use cation that you only cut off the ring and replace it with a new compression clamp. Make sure you use compression clamps and not a hose clamp.

This is the best way to fix the oil leak from the adapter line to the rubber hose line, to replace the whole line with the new adapter is expensive and i believe your have to disconnect the engine mount to raise the engine to clear enough room to install the new line along the frame.

Good luck and don't use any engine oil stop leak, it will damage your oil pressure relieve valve and that's one extra thing you don't need to replace.

Feb 15, 2010 | 1997 Chevrolet Suburban

1 Answer

Honda accord 1992 I have a oil leak around the oil filter is it


is it an ex?
is it a bad leak?
it could be 2 things
1) oil pressure sending unit above the filter
2) "o" ring between the oil cooler and block on ex models only. the oil cooler is between the filter and block with 2 coolant hoses attached to it. also might be the oil filter. i replace alot of sending units and oil cooler o rings.

Dec 19, 2008 | 1992 Honda Accord

1 Answer

2003 Nissan Pathfinder


Oil cooler o-ring.
http://www.nissanpathfinders.net/forum/topic/25463-engine-oil-cooler-leaking-oil/
Not all coolers look like radiators. I wouldn't think it should cost that much. Try somewhere else.

May 01, 2017 | 2003 Nissan Pathfinder

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