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Transmission Cooler Ford Explorer Sport Trac II

Automatic Trans 4 illustrations ~1516 words

Material

ItemSpecificationFill Capacity
MERCON® SP Automatic Transmission Fluid XT-6-QSP (US); CXT-6-LSP12 (Canada)MERCON® SP11.5L (12.1 qt)
MERCON® V Automatic Transmission Fluid XT-5-QM (or XT-5-QMC) (US); CXT-5-LM12 (Canada)MERCON® V11.7L (12.4 qt)
Threadlock and Sealer TA-25WSK-M2G351-A5

Material

GENERAL SPECIFICATIONS

ItemSpecification
Transmission Fluid
CAUTION: Use only MERCON® V or MERCON® SP transmission fluid. The use of any other transmission fluids may result in transmission failure. Normal maintenance: Transmission fluid change not necessary, filled for life. Severe duty maintenance: Change the transmission fluid at 48,000 km (30,000 mi) intervals.
Transmission Fluid Capacity
NOTE: Approximate dry capacity, includes transmission fluid cooler and transmission fluid tubes. Transmission fluid level procedures in this article should be used to determine actual transmission fluid requirements and transmission fluid specification. DO NOT OVERFILL. If it is necessary to add or change transmission fluid, use only transmission fluid that has been certified by the supplier as meeting the Ford Motor Company specification shown.

GENERAL SPECIFICATIONS

TORQUE SPECIFICATIONS

DescriptionNm
Transmission fluid cooler bolts7
Transmission fluid cooler tube bracket-to-engine nut (5R55S)25
Transmission fluid cooler tube bracket-to-engine nut (6R60)12
Transmission fluid cooler tube nut-to-case fitting (5R55S)40
Transmission fluid cooler tube bracket assembly-to-case bolt (6R60)25
Transmission fluid cooler tube case fitting (5R55S)56
U-joint strap bolts19

TORQUE SPECIFICATIONS

Transmission Cooling

Vehicles equipped with automatic transmissions have an auxiliary transmission fluid cooler which is mounted in front of the radiator and the A/C condenser. In operation, transmission fluid travels from the transmission to the auxiliary transmission fluid cooler then back to the transmission. The auxiliary transmission fluid cooler transfers heat from the transmission fluid to the outside air.

CAUTIONWhenever a transmission has been disassembled to install new parts, a new transmission fluid cooler must be installed and the transmission fluid cooler tubes must be cleaned and backflushed.

Note. Cleaning and backflushing the transmission fluid cooling system (along with normal cleaning and inspection procedures, as outlined in this article during disassembly and assembly) will keep contamination from reentering the transmission and causing a repeat repair. When internal wear or damage has occurred in the transmission, metal particles, clutch plate material or band material may have been carried into the torque converter and transmission fluid cooler. These contaminants are a major cause of recurring transmission troubles and must be removed from the system before the transmission is put back in use.

Inspection and Verification

When transmission fluid leakage is found in the transmission fluid cooler, install a new transmission fluid cooler.

When there is evidence of transmission assembly or transmission fluid contamination due to the following transmission failure modes, install a new transmission fluid cooler.

  1. Major metallic failure
  2. Multiple clutches or clutch plate failure
  3. Sufficient component wear which results in metallic contamination

Symptom Chart - Transmission Cooling

ConditionPossible SourcesAction
Transmission overheatingDamaged radiatorREPAIR or INSTALL a new radiator. REFER to ENGINE COOLING article.
Plugged auxiliary transmission fluid coolerINSPECT auxiliary transmission fluid cooler for blockage. INSTALL new if required. REFER to Auxiliary Transmission Fluid Cooler .
System leaksINSPECT transmission fluid cooler and tubes for leaks. REPAIR as required.
Incorrect transmission fluid levelADJUST transmission fluid to correct level.
Transmission fluid conditionINSPECT according to instructions under Check Fluid Level and Condition. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55S article for 5R55S or AUTOMATIC TRANSAXLE/TRANSMISSION - 6R60 article for 6R60.
Damaged, blocked, reversed, leaking or restricted transmission fluid cooler tubesINSPECT transmission fluid cooler tubes. REPAIR or FLUSH as necessary.
Engine concerns causing transmission to overheatINSPECT engine cooling system. REFER to ENGINE COOLING article.
Excessive towing loadsCHECK gross vehicle weight.
Incorrect engine idle or driveability concernsREFER to the Introduction - Gasoline Engines article.

Symptom Chart - Transmission Cooling

Symptom Chart - Noise, Vibration and Harshness (NVH)

Note. Noise, vibration and harshness (NVH) symptoms should be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to NOISE, VIBRATION AND HARSHNESS article. Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to NOISE, VIBRATION AND HARSHNESS article for the next likely system and continue diagnosis.

ConditionPossible SourcesAction
Vibration - a high frequency (20-80 Hz) that is felt through the seat or selector lever. Changes with engine speedTransmission fluid cooler tubes grounded outCHECK the transmission fluid cooler tubes. REPAIR as necessary.

Symptom Chart - Noise, Vibration and Harshness (NVH)

Transmission Fluid Cooler Flow Test - 5R55S

  1. Refer to «AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55S»(/ford/explorer-sport-trac/ii-2006-2010/remont/automatic-trans/#automatic-transmission-5r55s) article.

Auxiliary Transmission Fluid Cooler

ItemSpecification
MERCON® SP Automatic Transmission Fluid XT-6-QSP (US); CXT-6-LSP12 (Canada)MERCON® SP
MERCON® V Automatic Transmission Fluid XT-5-QM (or XT-5-QMC) (US); CXT-5-LM12 (Canada)MERCON® V

Material

Scheme 60

Scheme 60
Scheme 60
ItemPart NumberDescription
1Transmission fluid cooler hose constant tension clamps
2Transmission fluid cooler bolts
3Transmission fluid cooler

REMOVAL

Mountaineer

  1. Remove the grille fasteners and the grille.
  2. Remove the bumper cover. For additional information, refer to «BUMPERS»(/ford/explorer-sport-trac/ii-2006-2010/remont/exterior-body-panels/#bumper-system) article.
  3. Remove the inner grille air deflector.
  4. Push the lower air deflector down past the transmission fluid cooler.
  5. Disconnect the transmission fluid cooler hoses. Remove and discard the transmission fluid cooler hoses and the clamps.
  6. Remove the upper transmission fluid cooler bolt.
  7. Remove the lower transmission fluid cooler bolts and the transmission fluid cooler.

INSTALLATION

All vehicles

  1. Install the transmission fluid cooler and the lower transmission fluid cooler bolts. Tighten to 7 Nm (62 lb-in).
  2. Install the upper transmission fluid cooler bolt. Tighten to 7 Nm (62 lb-in).
  3. Using new hoses and clamps, install the new transmission fluid cooler hoses.
  4. Push the lower air deflector back into place.
  5. Install the inner grille air deflector.
  6. Install the grille and the fasteners.
  7. Install the bumper cover. For additional information, refer to «BUMPERS»(/ford/explorer-sport-trac/ii-2006-2010/remont/exterior-body-panels/#bumper-system) article.
  8. Fill the transmission fluid to the correct level using clean transmission fluid and inspect the leaks. For additional information, refer to «AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55S»(/ford/explorer-sport-trac/ii-2006-2010/remont/automatic-trans/#automatic-transmission-5r55s) article for 5R55S or «AUTOMATIC TRANSAXLE/TRANSMISSION - 6R60»(/ford/explorer-sport-trac/ii-2006-2010/remont/automatic-trans/#automatic-transmission-6r60) article for 6R60.

Transmission Fluid Cooler Tubes - 5R55S

Special Tools Illustration Tool Name Tool Number Disconnect Tool, Transmission Cooler Line 307-569

ItemSpecification
MERCON® V Automatic Transmission Fluid XT-5-QM (or XT-5-QMC) (US); CXT-5-LM12 (Canada)MERCON® V

Material

Scheme 61

Scheme 61
Scheme 61
ItemPart NumberDescription
1Transmission fluid cooler tube nuts
27J081Transmission fluid cooler tube secondary latches
37R081Transmission fluid cooler tubes
4Transmission fluid cooler tube bracket nut
  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(/ford/explorer-sport-trac/ii-2006-2010/remont/hoistjack/#jacking-and-lifting) article.
  2. Using a backup wrench to hold the case fitting securely, disconnect the transmission fluid cooler tubes.
  3. Remove the secondary latch from the cooler tube.
  4. Using the special tool, disconnect the quick connect coupler and remove the transmission fluid cooler tube from the radiator.
  5. Remove the secondary latch from the transmission fluid cooler tube.
  6. Using the special tool, disconnect the quick connect coupler and separate the transmission fluid cooler tube from the transmission fluid cooler hose.
  7. Remove the transmission fluid cooler tube bracket nut.
  8. Remove the fluid cooler tube bracket from the stud.
  9. Remove the transmission cooler tubes from the vehicle.
  1. Install the transmission cooler tubes into the vehicle.
  2. Install the transmission fluid cooler tube bracket onto the stud.
  3. Verify the case fitting torque. Tighten to 56 N.m (41 lb-ft).
  4. Using a backup wrench to hold the case fittings securely, install the transmission fluid cooler tubes. Tighten to 40 N.m (30 lb-ft).
  5. Install the transmission fluid cooler tube bracket nut. Tighten to 25 N.m (18 lb-ft).
  6. Connect the transmission fluid cooler tube to the transmission fluid cooler hose.
  7. Install the secondary latch.
  8. Connect the transmission fluid cooler tube to the radiator.
  9. Install the secondary latch.
  10. Fill transmission fluid to the correct level using clean transmission fluid and inspect for leaks. For additional information, refer to «AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55S»(/ford/explorer-sport-trac/ii-2006-2010/remont/automatic-trans/#automatic-transmission-5r55s) article.

Transmission Fluid Cooler Tubes - 6R60

Special Tools Illustration Tool Name Tool Number Disconnect Tool, Transmission Cooler Line 307-569

ItemSpecification
MERCON® SP Automatic Transmission Fluid XT-6-QSP (US); CXT-6-LSP12 (Canada)MERCON® SP
Threadlock and Sealer TA-25WSK-M2G351-A5

Material

Scheme 62

Scheme 62
Scheme 62
ItemPart NumberDescription
17J081Transmission fluid cooler tube secondary latches
27R081Transmission fluid cooler tubes
3Transmission fluid cooler tube bracket nut
4Transmission fluid cooler tube bracket bolt
57J227Transmission fluid cooler tube O-rings (4 required)
  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(/ford/explorer-sport-trac/ii-2006-2010/remont/hoistjack/#jacking-and-lifting) article.
  2. Remove the secondary latch from the transmission fluid cooler tube.
  3. Using the special tool, disconnect the quick connect coupler and remove the transmission fluid cooler tube from the radiator.
  4. Remove the secondary latch from the transmission fluid cooler tube.
  5. Using the special tool, disconnect the quick connect coupler and separate the transmission fluid cooler tube from the transmission fluid cooler hose.
  6. Remove the transmission fluid cooler tube bracket nut.
  7. If equipped, index-mark the front driveshaft to maintain driveshaft balance.
  8. If equipped, remove the 4 U-joint strap bolts and remove the U-joint straps. Discard the bolts.
  9. Disconnect the engine oil low level sensor electrical connector and harness clips.
  10. Remove the bolt and disconnect the transmission fluid cooler tubes from the transmission.
  11. Remove and discard the 4 O-rings from the transmission fluid cooler tube ends.
  12. Remove the transmission fluid cooler tubes from the vehicle.
  1. Position the transmission fluid cooler tubes in the vehicle.
  2. Install 4 new O-rings on the transmission fluid cooler tube ends.
  3. Position the transmission fluid cooler tubes into the transmission, then install the bolt for the transmission cooler tube retainer. Tighten to 25 Nm (18 lb-ft).
  4. Install the transmission fluid cooler tube bracket and install the transmission fluid cooler tube bracket nut. Tighten to 12 Nm (9 lb-ft).
  5. If removed, install the U-joint straps and 4 new U-joint strap bolts. Tighten to 19 Nm (14 lb-ft).
  6. Connect the engine oil low level sensor electrical connector and harness clips.
  7. Connect the transmission fluid cooler tube to the radiator.
  8. Install the secondary latch to the transmission fluid cooler tube at the radiator.
  9. Connect the transmission fluid cooler tube to the transmission fluid cooler hose.
  10. Install the secondary latch to the transmission fluid cooler tube at the cooler hose.
  11. Fill the transmission fluid to the correct level, using clean transmission fluid, and inspect for leaks. For additional information, refer to «AUTOMATIC TRANSAXLE/TRANSMISSION - 6R60»(/ford/explorer-sport-trac/ii-2006-2010/remont/automatic-trans/#automatic-transmission-6r60) article.

Transmission Fluid Cooler Hoses

Special Tools Illustration Tool Name Tool Number Disconnect Tool, Transmission Cooler Line 307-569

ItemSpecification
MERCON® SP Automatic Transmission Fluid XT-6-QSP (US); CXT-6-LSP12 (Canada)MERCON® SP
MERCON® V Automatic Transmission Fluid XT-5-QM (or XT-5-QMC) (US); CXT-5-LM12 (Canada)MERCON® V

Material

Scheme 63

Scheme 63
Scheme 63
ItemPart NumberDescription
1Transmission fluid cooler constant tension hose clamps
27B028Transmission fluid cooler hoses
37J081Transmission fluid cooler hose secondary latches
47B028Transmission fluid cooler hoses
5Transmission fluid cooler hose retainer

All vehicles

  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to «JACKING AND LIFTING»(/ford/explorer-sport-trac/ii-2006-2010/remont/hoistjack/#jacking-and-lifting) article.
  2. Remove the grille fasteners and the grille.
  3. Remove the bumper cover. For additional information, refer to «BUMPERS»(/ford/explorer-sport-trac/ii-2006-2010/remont/exterior-body-panels/#bumper-system) article.
  4. Remove the inner grille air deflector.
  5. Push the lower air deflector down past the transmission fluid cooler.
  6. Disconnect the transmission fluid cooler hoses. Remove and discard the transmission fluid cooler hoses and the clamps.
  7. Remove the secondary latch from the transmission fluid cooler tube.
  8. Using the special tool, disconnect the quick connect coupler and separate the transmission fluid cooler tube from the transmission cooler hose.
  9. Remove the secondary latch from the transmission fluid cooler hose.
  10. Using the special tool, disconnect the quick connect coupler and remove the transmission fluid cooler hose from the radiator.
  11. Remove the hoses from the retainer.

All vehicles

  1. Install the hoses into the retainer.
  2. Install the transmission fluid cooler hose to the radiator.
  3. Install the secondary latch.
  4. Install the transmission fluid cooler hose to the transmission fluid cooler tube.
  5. Install the secondary latch.
  6. Using new hoses and clamps, install the new transmission fluid cooler hoses.
  7. Push the lower air deflector back into place.
  8. Install the inner grille air deflector.
  9. Install the grille and the fasteners.
  10. Install the bumper cover. For additional information, refer to «BUMPERS»(/ford/explorer-sport-trac/ii-2006-2010/remont/exterior-body-panels/#bumper-system) article.
  11. Fill the transmission fluid to the correct level using clean transmission fluid and inspect for leaks. For additional information, refer to «AUTOMATIC TRANSAXLE/TRANSMISSION - 5R55S»(/ford/explorer-sport-trac/ii-2006-2010/remont/automatic-trans/#automatic-transmission-5r55s) article for 5R55S or «AUTOMATIC TRANSAXLE/TRANSMISSION - 6R60»(/ford/explorer-sport-trac/ii-2006-2010/remont/automatic-trans/#automatic-transmission-6r60) article for 6R60.

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