Question about 2004 Subaru Legacy
Not sure what to do or who to believe. The tapping gets quieter after warms up and you don't here it when de-accelerating.
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Posted on Jan 02, 2017
heavier oil if you are not in a cold climate. but before you do that have the oil pressure checked. We used to use a can of STP every once in a while on a motor in a dodge we had... nothing wrong with it... was just noisy.
Posted on Feb 05, 2009
SOURCE: hydraulic lifters
Yes, but there is still a lot of stuff to move out of the way to get in there and pull them. I would try all the chemical remedies for sticky lash adjusters (oil flush, marvel's mystery oil, etc.) first, then check the timing belt to see if a worn timing belt has let it slip a tooth and the valve timing is off for that reason before digging into the lifters. There used to be a forum that had video and audio from a subaru legacy this model before and after swapping out a bad lifter. Google for it and see if the noise matches.
Posted on Mar 21, 2009
SOURCE: I need to know how
* When replacing a water pump, it is necessary to drain the cooling system.
* Any components--belts, fan, fan shroud, shaft spacers, or viscous drive clutch--should be removed to make the pump accessible. Some pumps are attached to the cylinder block as shown below.
Installing a water pump.
* Loosen and remove the bolts in a crisscross pattern from the center outward.
* Insert a rag into the block opening and scrape off any remains of the old gasket.
When working on the coolant system (for example, replacing the water pump or thermostat), a certain amount of coolant will spill on the floor. The antifreeze in the coolant causes it to be very slippery. Always immediately wipe up any coolant that spills to reduce or eliminate the chance of injury.
* When replacing a water pump, always follow the procedures recommended by the manufacturer.
* Most often a coating of good waterproof sealer should be applied to a new gasket before it is placed into position on the water pump.
* Coat the other side of the gasket with sealer, and position the pump against the engine block until it is properly seated.
* Install the mounting bolts and tighten them evenly in a staggered sequence to the torque specifications with a torque wrench. Careless tightening could cause the pump housing to crack. Check the pump to make sure it rotates freely.
* The water pumps on many late-model OHC engines are driven by the engine's timing belt. When replacing the water pump on these engines, always replace the timing belt.
* Make sure all pulleys and gears are aligned according to specifications when installing the belt.
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Posted on May 06, 2009
SOURCE: Valve adjustment
The EA82 does not use shims. Ticking almost always caused by a failed oil pump to engine block gasket failure. The gasket slowly fails which then allows the oil pump to pump air along with the oil. Replace the "Mickey Mouse" oil pump gasket.
Posted on Aug 15, 2009
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