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Wagons Scion xB Scion xB Maintenance & Repair Scion xB Engine Problems
60 messages, Last post on Nov 11, 2009 at 9:51 PM
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Your auto insurance may cover the damage. Scion (Toyota) is not responsible to warranty the damage to your engine caused by modifications to air intake you made. Hydrolock due to stock or aftermarket intake is not limited to Scion, this is a known problem with many makes of vehicles when aftermarket intakes are added, and some stock vehicles with a low intake are known for this issue when drivers do not use reasonable caution and drive thru water. |
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i think that there is something wronge with the head gasket on some xb's i just blew my motor this weekend and it was caused by a bent(twisted) piston rod bashing a hole in the side wall of my block. they took the oil pan down and said that it was because i was over reving it!!!! WTF?? this is a commuter car, i bought it as a commuter car, and i was commuting when it happened!! i had driven 30 miles at like 80MPH and then poof. Well if any of you have read about this in other forums that i cant seem to find let me know i need all the evidance i can gather for court. thanks agian!!!!!!!!!
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Replying to: 04scizzy (Jul 08, 2006 10:07 pm) How are your service records?
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Replying to: Mr_Shiftright (Jul 09, 2006 6:02 pm) |
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Replying to: 04scizzy (Jul 08, 2006 10:07 pm)
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Replying to: aatherton (Jul 13, 2006 9:29 am)
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Replying to: yoda8391 (Jul 13, 2006 6:58 pm) Hydrolocking means that water gets into a cylinder (through the open cold air intake). The OEM air intake and filter are designed to prevent this. Water is incompressible and suddenly slows the engine, which bends or breaks the connecting rod in that cylinder. A little bit of water will bend the rod, and enough water will break the rod. If the rod bends, the engine keeps going but may make noise and vibrate. The bent rod is weak and has shortened the stroke on that cylinder, which will eventually cause it to fail. If the rod breaks, the engine also keeps going, which thrashes the broken rod around and causes more internal damage. Often the engine jams up and stops, and people often refer to it as "seized". Seizing, however, is technically when the piston expands and sticks in the cylinder from overheating or lubrication failure. It is almost unheard of in water-cooled engines. Often a seized engine will move again after cooling. But if seizing is bad enough, the piston will be stuck until the engine is disassembled. Many people have hydrolocked their Scions after installing cold air intakes and then driving though a little water. Scion is very familiar with claims arising from this.
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Replying to: aatherton (Jul 14, 2006 5:27 am)
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Replying to: yoda8391 (Jul 14, 2006 7:37 pm) The damage caused by hydrolocking is unique to water in a cylinder. It is like the piston meets an incompressible plug of steel, bending or breaking its connecting rod. |
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Replying to: yoda8391 (Jun 30, 2006 7:47 pm) This new fuel conserving oil 5W30 is extremely slick and has no ZDP. It is only good for increased fuel mileage. It gives the engine much less protection. Number 11 said he has 40,000 with no problems, but he has used synthetic which is far superior to the 5W30 10W30 Fuel Conserving oils. I have been using 15W40 Castrol Diesel oil. The mpg did drop 1.6 mpg, but the engine runs great. 33,000. |
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