Honda Accord/Prelude 1984-1995 Repair Guide

Oil Cooler

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REMOVAL & INSTALLATION



See Figure 1

Some models employ a water-cooling collar at the oil filter to absorb some heat from the oil stream. Coolant flows through the oil cooler and conducts the heat to the radiator. Under most conditions, the oil will be hotter than the coolant so the heat exchange cools the oil.

  1. With the engine cold, drain the coolant.
  2.  
  3. Disconnect the coolant lines running to the oil cooler.
  4.  
  5. Remove the oil filter. Although the engine is cold and most of the oil is in the sump, be prepared for some oil spillage; clean it up immediately.
  6.  



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Fig. Fig. 1: Some fuel injected engines employ an oil cooler mounted on the oil filter base

Take great care not to allow coolant to drip into the oil system. If this occurs, the oil must be drained and refilled with fresh, unpolluted oil.

  1. Remove the oil cooler center bolt; this is the fitting onto which the oil filter is installed.
  2.  
  3. Remove the oil cooler and its O-ring.
  4.  

To install:
  1. Install a new O-ring on the cooler. Install the cooler, positioning it properly to align the hose ports. Install the center bolt and tighten it to 54 ft. lbs. (75 Nm).
  2.  
  3. Install the oil filter.
  4.  
  5. Connect the hoses to the cooler; use new hose clamps. Check that the hoses are properly routed and that there are no kinks or sharp bends.
  6.  
  7. Refill the coolant.
  8.  
  9. Start the engine and check for leaks.
  10.  

 
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