Looks prefer the dreaded coolant crossover pipeline opening. Nobody likes this repair, you have to pull the exhaust manifold off and there"s little room come work next to the firewall.From krivas olds"s page:http://99intrigue.shutterfly.com/waterpipe .
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Followup thought: If girlfriend lost enough coolant, the computer could have tripped the engine right into emergency mode, wherein it only fires alternate cylinders to reduce heat. That may be why that felt like it to be skipping time.
Yes where his photograph zooms in, looks choose the EGR attachment in page 15 the krivas"s list. However I was assuming "busted gasket" suggests the coolant crossover went negative (as it at some point does on an LX5 engine)
Not coolant, is EGR pipe. Part id"d as No. 579 in the an initial drawing and also No. 4 in the 2nd drawing below.
It"s no cheap, about $70, and also I would change the gaskets. Very unusual for it to "blow off." i would check the root cause before blowing one more $70.
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I speak to it the EGR flex pipe. The manufacturing facility says replace it if you eliminate the bottom bolts due to the fact that it has a to like washer developed in - that"s why I removed the top end, the one through the o-ring. Has actually someone been into your engine before?As i recall, this will reason a enormous intake manifold leak, so i wouldn"t it is in surprised the it ran poorly afterward.
You"re both right. That all depends on specifically what the orig poster expected by leak. The component he showed is the Coolant/EGR cross-over manifold. That component often leaks at the coolant seal.As mentioned, if the auto gets low on coolant, the PCM will certainly cycle the cylinders on/off to protect against overheating. In fact, during development, GM journey a a Northstar (what this LX5 is based on) in the desert, in the summer, on a very hot day through no coolant in the engine, at 60+ MPH, and with the AC on full. The engine did no overheat. Yea, the was down on strength (still likely had much more than countless eco-4 cyls ), and also it got lousy gas usage (still likely at least 50% much better than mine "86 Stang, also with the engine rebuild and also custom balance, and so on - BTW, one EGR/exhaust leak can additionally cause stormy running, since the Oxygen sensor will be obtaining poor/inaccurate exhaust measurements. Below, indigenous the left come the right:Engine BlockCoolant/EGR cross-over manifoldExhaust cross-over pipeAIR tubeTransmission (below)Fuel linesCruise control Accelerator user interface ModuleStrut TowerNOTHINGNESS - THE endless ABYSS! YIKES!!