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92 Honda Accord temp gauge spike

Sent to Car Experts August 27, 2006 4:50 p.m.

I have a 92 Honda Accord. The temperature gauge spikes until the fans come on. They only stay on for 8 seconds. I have replaced termostat, temp sending unit, condensor fan switch, coolant temperature sensor for the ECM and radiator fan switch. In addition, I flushed the radiator with radiator flush. The gauge spikes when you come to a stop. What have I missed?

Optional Information:
1992 Honda accord lx 2.2 liter

Already Tried:
Replaced termostat, condensor fan switch, sending unit, radiator fan switch, coolant temp sensor for ECM, flushed radiator with radiator flush and have new anti-freeze 50/50

Customer (name blocked for privacy)

Status: Closed Value: $8

Answer
August 27, 2006 5:00 p.m. (10 minutes and 0 seconds later)

REPLIED

it sounds like you have air in the system when car warms up feel hose to thermostat. if air is in systemm you will be able to feel it gurgle(bubble) also double check radiator for cold spots after warmed up thoroughly if you have cold spots it is plugged.Check water pump for play in shaft and leakage .If you need more info let me know or if this has been helpful an accept would be appreciated. thank you Bill.

Bill -- mechanic -- 100% Positive Feedback on 98 Car Accepts
mechanic since 1976

Reply to Bill
Sent August 27, 2006 5:12 p.m. (11 minutes and 55 seconds later)

I have already opened the air bleeder bolt and bled all the air out. There is no air in the system.

Customer (name blocked for privacy)

Answer
August 27, 2006 5:26 p.m. (14 minutes and 26 seconds later)

REPLIED

if there is no air in system and all mechanical is good check rad fan relay and control module. Copyright laws don't allow me to give you a schematic but if you go to autozone.com go under vehichle manuals enter your vehichle info, then proceed to chassis electrical fig. 39 shows you the layout,and color codes. let me know what you find.

Bill -- mechanic -- 100% Positive Feedback on 98 Car Accepts
mechanic since 1976

Reply to Bill
Sent August 28, 2006 12:42 a.m. (7 hours and 15 minutes later)

Checked out all your suggestions, but they did not pan out. If you think of anything else please let me know.

Customer (name blocked for privacy)

Answer
September 03, 2006 2:11 p.m. (6 days and 13 hours later)

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Bill -- mechanic -- 100% Positive Feedback on 98 Car Accepts
mechanic since 1976

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