Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

help with d15b7

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Old Apr 6, 2010 | 01:23 PM
  #1  
Carlos 88CRXSi's Avatar
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From: Phoenix Arizona
Default help with d15b7

hey wat up i think my car broke up but i dont know wahts wrong with it ok here is the scenario.

the engine was rebuilted last monday everything was perfect no noise or overheating, after running it about 300 miles, it haves a funny noise and the oil turned like some kind of tan color, i know that is because water went into the oil but the engine hasent overheated. and when it gets warm enough the car turns off by itself, and it wont turn on again until another 30 minutes and it will struggle to stay on while its warm. and now its making a funny noise kinda like a screech.

i would really apreciate your help im far from home so i dont really now if i can drive back home like that. of course im going to change the oil.

but how could the water go into te oil??? anybody nows that??
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Old Apr 6, 2010 | 02:29 PM
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delsolproblems's Avatar
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Default Re: help with d15b7

Water can get in the oil through a blown HG, from the intake sucking water into the motor or from a coolant line that's connected to something it shouldn't be connected to. In some cases, a little water can get into the oil if the motor is splashed with enough. Were you losing coolant while it was running? Did you notice the coolant reservoir bubbling when the car was running? Gasses in the coolant system can throw off the temp gauge reading so you could be overheating and not knowing it. Don't run the car again until you change the oil, flush all the emulsion out of the entire motor, run a compression test and check the coolant, changing and flushing it if necessary after any problem is fixed.

Last edited by delsolproblems; Apr 6, 2010 at 02:51 PM.
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Old Apr 6, 2010 | 03:17 PM
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Carlos 88CRXSi's Avatar
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Default Re: help with d15b7

so you think i ****ed up the whole motor???
i did loose the coolant while it was running, and then i noticed that the engine was struggling to stay on.
can it be something wrong with the engine or how they build it?
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Old Apr 6, 2010 | 04:43 PM
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Red_Army's Avatar
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Default Re: help with d15b7

you may have a shiet head gasket...or put on wrong.

doubted but it is possible.
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Old Apr 7, 2010 | 09:43 AM
  #5  
delsolproblems's Avatar
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Default Re: help with d15b7

Messed up the whole motor might be too strong of a term but the only way for coolant to be in the oil is for either the builder or the driver to make a mistake. If the HG or its mating surfaces were dirty when it was installed, if the driver pushed the motor too hard too soon or if another similar mistake occurred, that could cause a blown HG. It would be nearly impossible to know for sure who to point the finger at without more info.
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Old Apr 7, 2010 | 05:50 PM
  #6  
Carlos 88CRXSi's Avatar
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Default Re: help with d15b7

damn thats bullshit i think its weird how it ****ed up cause i never went over 3,000 rpms and never over 60 on highway.
the only thing that went wron on it, is that the car was leaking a lil bit thru the upper radiator hose but i didnt let the car overheat all the way it only went a lil bit up but never to much to blow the head gasket
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Old Apr 7, 2010 | 06:28 PM
  #7  
delsolproblems's Avatar
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From: Portland, OR
Default Re: help with d15b7

The leak could have thrown off the temperature reading and caused the motor to overheat before the excessive temp registered on the gauge so you can't be sure the builder screwed it up. That is, unless he or she is to blame for the leak. During the break-in period, the motor is a little more fragile. It would take less extra heat to blow a gasket around that time than after it's broken in.
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Old Apr 7, 2010 | 07:51 PM
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92lxsleeper's Avatar
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From: Lincoln, RI
Default Re: help with d15b7

d15b7s are notorious for blowing headgaskets. mine only had 95k on it when mine went. and the car was babied from day 1. they love to die inbetween cylinders 2 and 3.

not hard to replace it, if you catch it early, your head may not need to be shaved.

if you can't replace it yourself, it will cost just as much to have a garage rip the motor out, and put a d16z6 from a ex/si in it, and you can do the ecu wiring.
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Old Apr 7, 2010 | 08:05 PM
  #9  
RICKSAUTOMOTIVE's Avatar
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Default Re: help with d15b7

sounds like the guy who put the HG on didnt do a good job. he should have done a valve job on the head and resurfaced it. and i recommend new head bolts too on HG repairs for these cars. if they are stretched they wont torque properly. the car not restarting when hot is a sensor (coolant sensor or engine temp sensor) telling the ecm that the engine is at dangerous temperatures and it wont restart for a few minutes. (approx. 30 minutes) your engine is probably savable but you need to get to a shop fast. and not the same shop you went to unless you watch the guy and he does it for free correctly
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Old Apr 8, 2010 | 09:13 AM
  #10  
Carlos 88CRXSi's Avatar
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From: Phoenix Arizona
Default Re: help with d15b7

well it seems to be the HG, well the problem now is that im about 100 miles away from home, you guys think if i do the oil change i can drive the car back home? or will the water go back into the oil? cause its gonna be kind of hard for me to tow the car
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