Question about 1989 Honda Accord 4 Door
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Posted on Jan 02, 2017
SOURCE: 1990 Honda accord horn problem
Horn fuse should be located in the fuse box under the dash on drivers side kick panel. If fuse is good try replacing the horn itself, it might be bad due to the age of the car. They are located behind the front bumper on the left and right side.
Posted on Jan 08, 2009
First drain radiator by opening drain valve,"located on bottom corner usualy the right,but not always." If you open the overflow or remove cap this will happen much faster.For safety sake disconnect ground wire from battery,the radiator is locked down by top cover that attaches to body with generaly 4 bolts, upper and lower hoses have to be disconnected and if it is automatic the transmission cooling lines are connected in stacked fashion,"one above the other."The cooling fan has to be unplugged and it should be removable at this point,"when unplugging fan be carefull with connector so it doesn't break.reverse steps to replace making sure the bolts go in the right place and it all fits properly.the thermostat,"located behind the kneck of upper hose," should be replaced after connecting lower hose because in order to fill the block up and prevent damaging thermostat the block shoud be filled with coolant before attaching upper hose.
Posted on Apr 20, 2009
You did not clarify which motor you have. Here are both diagrams.
The fuel injected model:
And the carb model:
Posted on Sep 10, 2009
Testimonial: "Guru this is amazing I have to ask where did you find this I have been on the web for days and just couldn't find one till now --I bow down God Bless"
When the car is completely cool,check the electric fan(s) for smooth rotation.
Clean/check/change the thermo sensor,contact and wire.
Excavate air pocket in coolant system / check for head gasket leak
This test will kill two birds with one stone.
MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!
RAN THIS TEST IN A WELL VENTILATED AREA ONLY!
You will spill some coolant during this air pocket purge test.......BE KIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!
Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .
Top of the coolant reserve tank
Let it ran for 10-15 minutes.
Monitor for air pockets escaping from coolant reserve tank.
Small amount of bubbles is OK at 1-5 minute mark
After the thermostat open up (after 195 F warm up) at
5-12 minute mark or after high idle you should see less bubbles.
If you do not see any in rush of bubbles then your thermostat may be partially stuck or rusted badly inside the thermostat hosing.
Give the thermostat host few gentle taps.
If you see larger bubbles surfacing after 15 minutes then should do a hydrocarbon (HC) dye test to test for potential head gasket leak.
Let engine cold down and top off coolant reserve tank.
Start monitor for coolant lost
A coolant flush is require every 2 years or 24,000 miles.
I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.
Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.
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Posted on Dec 05, 2009
Firstly - DO NOT run engine, when guage reads hot, as this will cause costly damage to head gasket & alloy engine head.
The fact that guage takes 1min to read HOT, would confirm the guage IS working properly.
So, other components which are likely to cause hot readings (in this order) are:
- lack of coolant (or leakage somewhere): is there sufficient green coolant at the correct level? Top up mixture to correct level. Repair any leaks.
- collapsed radiator hose: when engine is cold, start engine, then quickly watch both upper & lower radiator hoses to see if either begins to flex inwards (collapse). Replace if either hose is collapsed.
- bad/incorrect thermostat rating : when replacing thermostats, you must ensure it is of the SAME temp rating (they all differ).
- Incorrect Temp sensor rating: the ratings of this sensor must be within manufacturer's spec's.
- bad waterpump: the engine relies on the waterpump to distribute the coolant throughout the entire system. If waterpump is faulty, coolant will not flow quick enough, causing overheating.
If you still believe all of the above components are OK, then have your cooling system "pressure tested". This test should be done, before looking further at other electrical components.
"if this has helped you in any way, please rate this solution"
Posted on Jan 27, 2010
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