why would coolant start leaking out of the thing on the intake manifold


Asked by Dec 11, 2012 at 06:45 PM about the 1990 Honda Accord EX Coupe

Question type: Maintenance & Repair

this is a 1990 honda 4cyl engine, while driving about 25mile upon exiting the freeway I noticed a cloud comming from under the car in the rear view, once I had found a sutable place to park opened the hood and the smell of coolant and a hissing sound with steem billowing out of the engine compartment. Upon furthe inspection with multiple starts and cool downs to ensure I had the correct location of failure, it appears the when enough heat is present the module on top passenger side of intake manifold is leaking at contact point and I can visually see water/coolant bubbling out.
1: What is this module?
2: Why would it fail?
Thank you in advance for you help

3 Answers


here is a diagram I found with the Failure poing in Question hilighted in red

1 out of 1 people think this is helpful.
Jonathan Ford

ok so what you described sounds like a bad cylinder head gasket...but the item you outlined looks like it could be the thermostat..hard to tell...could you possibly post the link to the diagram?

2 out of 2 people think this is helpful.

Ok lookes like under a nother search it is leaking under the EGR lift sensor, any help as to how to a: fix and b: why this could be happining? This search under Google was (Honda Accord 1990 engine Dia) http://www.justanswer.com/honda/1bj2j-1990-honda-accord-lx-stutters-stalls.html In this link it is leaking just under the EGR Valve Arrow

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