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Old 08-25-2008, 03:24 PM   #1 (permalink)
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Angry outback won't start

I have a 98 outback limited, 150,000 miles. Just replaced the HGs, timing belt, radiator, water pump, thermostat, valve cover gaskets, plugs, plug wires, knock sensor, coolant temp sensor and check fuel pressure and compression. The engine ran great for 1 week then suddenly started missing, got progressively worse until now it won't start at all. Ohmed out the coil......the primary side has twice the resistance it should. I've ordered a coil so we'll see. Sound familiar to anyone?
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Old 08-25-2008, 05:55 PM   #2 (permalink)
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Quote:
Originally posted by cracker
I have a 98 outback limited, 150,000 miles. Just replaced the HGs, timing belt, radiator, water pump, thermostat, valve cover gaskets, plugs, plug wires, knock sensor, coolant temp sensor and check fuel pressure and compression. The engine ran great for 1 week then suddenly started missing, got progressively worse until now it won't start at all. Ohmed out the coil......the primary side has twice the resistance it should. I've ordered a coil so we'll see. Sound familiar to anyone?
Sounds like either the coil, bad plug wires that are breaking down (or not attached well enough and slipping off), or the timing belt is slipping. If you had a distributor, I'd also say it could be a bad distributor cap.
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Old 08-25-2008, 06:02 PM   #3 (permalink)
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No distrubutor cap on OBDII.

I dont see a tensioner, water pump, or idler on that list. Recheck the timing. The idler and tensioner dont like being disturned when they get a lot of miles on them, and should be replaced at that high a mileage.

Why did you replace all those items ?


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Old 08-25-2008, 07:26 PM   #4 (permalink)
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I started with replacing cooling system parts because of an overheating problem. Found out BOTH head gaskets were blown allowing exhaust pressure into the cooling system overpressurizing coolant and blowing it out the top of the coolant reservoir bottle. It does have a new water pump. The gasket set I ordered came with 2 sets of valve cover gaskets. I originally put new ones on that were exactly like the old ones but the car developed an oil leak.....more like a squirt......out the valve cover so I re-installed the gaskets with the second set that was thicker and wider. I have no oil leaks, the cooling system is perfect but the engine developed a miss and now won't run at all. I've retimed the engine 3 times, checked and double checked the timing. It's in time without a doubt. I THINK it must be the coil........
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Old 08-25-2008, 07:30 PM   #5 (permalink)
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Lets rule out timing all together.

Can you do a compression test.

Also check the crank position sensor.

These maybe questions i dont want to know answers too, but did you have the cylinder head surfaces machined?

Where did you get the gaskets from?

Everytime you checked the timing, was it still dead on?


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Old 08-25-2008, 07:39 PM   #6 (permalink)
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Did a compression test......good. Did fuel pressure test. Dead on. Fuel pressure regulator is good also. The last time I checked the timing the driver side exhaust cam was off 1 tooth. It's now correct. Each time I removed the belt tensioner I reset it according to the subaru manual.....by pushing the pin vertically and taking at least 3 minutes.
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Old 08-25-2008, 07:41 PM   #7 (permalink)
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Heads were machined. I told the machinist to take off as little as possible. Haven't checked the cam or crankshaft sensors yet.
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Old 08-25-2008, 07:42 PM   #8 (permalink)
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BTW....got the gasket set from store on ebay.....
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Old 08-25-2008, 07:57 PM   #9 (permalink)
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Quote:
Originally posted by cracker
BTW....got the gasket set from store on ebay.....
Never ever never buy things like head gaskets off ebay, or in generall from anyone except the mfg. I used to work for an auto parts mfg, so here is why. OE is not required to share internal updates on parts, not to mention the aftermarket most the time could really care less about changes in a part, or has the resources to follow the million or so parts that are brand new, let alone modified by the original mfg to correct a fault.

Parts are either purchased from the sub contractor who made the part for OE (if there is one, there may not be), or are reverse engineered. WHen OE changes a part, they either recall all the older parts and destroy them, or superceed them with the newer part. Aftermarket, if they even know about the change (which is doubtful) will keep selling the old desighn, as all it costs them, is the price of the part, not the labor.

Also there is no way of truly knowing where the ebay part came from. Anyone can print a box and shrinkwrap it.

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Old 08-26-2008, 03:10 AM   #10 (permalink)
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hopefully the coil cures the problem

have you rechecked the valve clearances since you set them after the head gasket job ? you said the compression is good but i've seen valves seat funky and do exactly what you are talking about.

pull the plugs and check them out, you seem to know what you're doing so you know the plugs will tell you alot about what the motor is doing.

i'll second nipper on the headgaskets for anyone else reading this, use OEM
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