1999 GMC Jimmy Logo
Posted on Dec 29, 2010
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How to remove transmission filter - 1999 GMC Jimmy

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  • Master 1,165 Answers
  • Posted on Dec 29, 2010
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Joined: Dec 14, 2010
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You will need a floor jack and two jack stands. Raise the vehicle high enough to give you plenty of working room. Place the jac sstands uner the frame rails on each side of the vehicle and lower the floor jack to let the vehicle rfest on the jack stands. Place a large drain pan ujnder the transmission and rmove the front an side mounting bolts. Loosen, but do not remove the rear mounting bolts. Pry the front of the transmission pan loose and pull it down to allow the fluid to drain into the drain pan. The drain pan should be large enough to hold at least 5 quarts of fluid. Now remove the remaining bolts, and the pan and gasket.Clean all traces of gasket and sealant from the mating surface of the transmission. Drain the remaining fluid from he trans.pan and clean with solvent. Remove any gasket material or sealant from he gssket mounting surface. Remove the old filter from the transmission. If the seal didn't come out with the filter, remove it from the transmission . The new seal can be driven into place with an appropriate size socket. Make sure it goes in square.Install the new filter.Install the new gasket on the pan and install the pan on the transmission. Tighten the bolts a little at a time to make sure the pan goes on straight. Don't over tighten the bolts or it will distort the pan and cause a leak. Lower the vehicle. Add 3 1/2 quarts of transmission fluid. See the owners manual for the correct fluid. If you put the wrong fluid in, the transmission will malfunction. Start the engine with the transmission in park and fast idle it but do not rev it up. Move the gear shift lever through the gears and back to park. Check the fluid level on the dipstick. It should reach the cold mark. Check for leaks. Your ready to drive. Keep a close eye on the fluid level for the first few trips and add a little fluid as necessary.

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How to change transmission filter on a 1999 mercury sable transmission slips or don't change properly sometime on take off.

place large masonry mixing tray[home depot]under transmission pan to catch fluid. remove 19 bolts on transmission pan.pull off filter.make sure o-ring gasket is removed if it is not on old filter.push in new filter.clean old gasket off pan.install new gasket and pan. refill transmission fluid.check pan for leaks.
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How to do a transmission fluid/filter change on a gmc 1500 2wd v8 350 step by step

Raise the vehicle. Refer to Vehicle Lifting. Place a drain pan under the transmission oil pan. Remove the oil pan drain plug. Remove the oil pan bolts. Remove the oil pan. Remove the gasket. Remove the magnet. Remove the oil filter. Remove the filter neck seal. The transmission oil pan gasket is reusable. Inspect the gasket and replace as needed. Clean the transmission case and the oil pan gasket surfaces with solvent. Install the filter neck seal. Install the oil filter. Install the oil pan gasket to the pan. Install the magnet into the bottom of the pan. Notice: Refer to Fastener Notice in Service Precautions. Install the oil pan to the transmission with seventeen bolts. Tighten the oil pan bolts to 11 Nm (97 inch lbs.) . Apply a small amount of sealant GM P/N 12346004 to the treads of the drain plug. Install the oil pan drain plug. Tighten the oil pan drain plug to 18 Nm (13 ft. lbs.) . Install Dextron Automatic Transmission Fluid. Lower the vehicle.
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I know this may sound stupid...but can't find the transmission filter. Was driving car and kept losing gears (automatic). Got it home, fluid seems fine. Could it just be a plugged filter?

Sure but the filter is inside the transmission. ussally the pan on the bottom of the transmission needs to be removed and and filter is connected to the transmission inside this cover on the lowest point. If your not a regular mechanic ( work on cars for a living, day in and out) you should hire this work done by someone who does.
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Gear selection is slow

Check your tranmission fluid level, if its low it can cause your transmission to shift slower, if its drastically low your transmission will slip in and out of gears or free rev (act like its in neutral) under acceleration or when shifting to a higher gear. If your fluid level is good, then you need to change your transmission filter. If your not mechanically inclined, take your vehicle to a shop and have them replace your filter for you, any repairs or maitnance envolving your transmission can easily go bad and potentially destroy your transmission if you do something wrong.

1. Buy new filter & transmission pan gasket

2. Raise vehicle, block tires, and use jackstands (never rely on any type of jack to hold the vehicle up.) and get a container or drain pan to catch the old transmission fluid.

3. Put drain pan or container under your transmission pan, start loosinging the bolts that hold the pan to the transmission. If you loosen the bolts alittle at a time you should be able to minimize spilling fluid everwhere and be able to catch it in your drain pan easier. (if your transmission has a drain plug remove it before loosening the pan bolts, this is not very common though and if you have a drain plug your lucky) once the majority of the fluid has drained from loosening the plugs, continue to loosen bolts so you drop the pan easily cause its gonna be full of fluid (unless you have the drain plug, if you do the pan should be virtually empty and you can remove it fully without alot of mess).

4. Locate the bolts that hold your filter to the transmission, be sure to only remove the bolts that hold the filter. Use the new filter for a visual aid so you can be 100% sure your only removing the filter. (The filter is bolted to a metal cover plate that houses the transmission clutch assemblies, spring valve assemblies, and floating shutter pins and they all operate under hydraulic pressure). Once the bolts are out of the old filter you should be able to slide the goose neck of the filter out of the filter port (again use the new filter for a visual aid) The goose neck should have a rubber o-ring type seal (or equivilent) make sure its on the old filter when you pull it, If its not then gently feel in the port and make sure the seal isnt sticking inside the port.


****** If you were to remove the cover plate thinking it was the filter, the hydraulic slide valves would move and you could seriously damage your transmission turning a $30.00 problem into a 1500.00 problem. I speak from experiance, so please use the new filter for a visual, I can't stress it enough*

5. Clean the pan's gasket area maticuliously, removing all of the old gasket, do the same to the transmission. Prep the pan side of your new gasket (I like using permatex gasket sealer) and install it to your transmission pad. (you can do this before you clean the transmission's gasket area so the permatex has time to adhear to the pan while you clean the gasket area on the transmission)

6. Using transmission fluid lube up the new filter's o-ring and slide it into the filter port. line up the bolt holes and start puting the filter bolts back in, tightening them evenly much like you would do to lug nuts if you had to change a tire.

7. Now get your pan and prep the other side of the pan gasket (gasket should be well tacky and sticking to the pan at this point) once the gasket is prep'd line the pan up with the transmission and begin installing the pan bolts tighten them the same way you did the filter bolts,

**Note**FWD** Depending on your vehicle's make/model, you may have to drop one of the control arms to remove the pan.

**Note**RWD** Depending on your vehicle's make/model, you may have to remove the cross member to remove the pan -or- drop the drive shaft, remove the bell housing bolts (bolts through transmission into engine block) remove the starter, and flywheel cover remove the bolts that connect your torq converter to your flywheel and slide the transmission back from the motor far enough so the transmission pan is no longer under the cross member.

GOOD LUCK I HOPE MY POST HELPS YOU!
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When changing the trans fluid on my 2004 Avalanche, I understand that you have to disconnect the trans lines from the radiator and run the engine until the fluid stops flowing. Is this correct? If so, do...

I didn't read about running the engine at all during the transmission fluid change. --- Removal & Installation 4L60E/4L65E To Remove:
  1. Raise and safely support the vehicle.
  2. Place a drain pan under the transmission.
  3. If equipped with a drain plug, drain the transmission fluid.
  4. If necessary, remove the bolts and position aside the range selector cable bracket for clearance while lowering the pan. It is not necessary to remove the cable from the lever or bracket.
  5. Remove the catalytic converter.
  6. Remove the oil pan bolts from the front and sides of the pan only.
  7. Loosen the rear oil pan mounting bolts about 4 turns.
  8. Lightly tap the oil pan with a rubber mallet in order to loosen the pan and allow the fluid to drain.
  9. Remove the remaining oil pan bolts.
  10. Remove the oil pan and the gasket.
  11. Remove the filter by twisting and pulling on it.
  12. Remove and discard the filter seal. The filter seal may be stuck in the pump; if necessary, carefully use pliers or another suitable tool to remove the seal.
  13. Clean the transmission and the oil pan sealing surfaces with solvent, and air dry. You must remove all traces of the old gasket material.
To Install:
  1. Coat the new filter seal with transmission fluid.
  2. Install the new filter seal into the transmission case. Tap the seal into place using a suitable size socket.
  3. Install the new filter.
  4. Install the oil pan and new gasket. Tighten the bolts alternately and evenly to 97 lb in (11 Nm).
  5. Install the catalytic converter.
  6. If previously removed, install the range selector cable bracket and bolts. Tighten the bolts to 18 lb ft (25 Nm).
  7. Apply a small amount of sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the oil pan drain plug, if equipped.
  8. Install the oil pan drain plug, if equipped. Tighten the plug to 13 lb ft (18 Nm).
  9. Lower the vehicle.
  10. Fill the transmission to the proper level with DEXRON® III transmission fluid.
  11. Check the COLD fluid level reading for initial fill only.
  12. Inspect the oil pan gasket for leaks.
4L80E/4L85E To Remove:
  1. Raise and suitably support the vehicle.
  2. Place a drain pan under the transmission oil pan. Drain the transmission fluid and install the plug. Tighten the drain plug to 13 lb ft (18 Nm).
  3. Support the transmission with a transmission jack.
  4. Remove the transmission crossmember.
  5. Disconnect the range selector cable end from the transmission range selector lever ball stud. NOTE: It is not necessary to remove the selector cable from the bracket.
  6. Remove the transmission range selector cable bracket. Reposition the bracket and cable.
  7. Remove the oil pan bolts. NOTE: The transmission oil pan gasket is reusable. Replace as needed.
  8. Remove the oil pan and gasket.
  9. Remove the magnet from the bottom of the pan, if necessary.
  10. Remove the oil filter and neck seal.
To Install:
  1. Clean the transmission and the oil pan sealing surfaces with solvent.
  2. Install the filter neck seal and filter.
  3. Install the oil pan gasket to the pan.
  4. Install the magnet into the bottom of the pan, if necessary.
  5. Install the oil pan and bolts. Tighten the oil pan bolts to 18 lb ft (24 Nm).
  6. Install the transmission range selector cable bracket. Tighten the bolts to 18 lb ft (25 Nm).
  7. Connect the range selector cable end to the transmission range selector lever ball stud.
  8. Install the transmission crossmember. Tighten the fasteners to 70 lb ft (95 Nm).
  9. Install the transmission mount nuts. Tighten the nuts to 30 lb ft (40 Nm).
  10. Remove the transmission jack.
  11. Lower the vehicle.
  12. Fill the transmission to the proper level with DEXRON® III transmission fluid.
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