Temp guage fluctuation
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From: Manitoba
Temp guage fluctuation
I have a 96 ranger 4.0L v6 4wd standard, the temp guage goes up and down constantly, likes to drop if I am idling at a light. There is a TSB out there but does anyone know how to get the TSB without subscribing to a site? The TSB is 97-18-9 and also mentions some sort of thumping which I don't seem to have. Any help would be great.
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New User
Joined: Dec 2003
Posts: 6
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From: Manitoba
I have replaced the sender, and the temostat, and the rad has been flushed, how do you know if the fan clutch is good? Also I found the TSB on the aerostar forum,
Article No.
97-18-9 COOLING SYSTEM - TEMPERATURE gauge FLUCTUATION - VEHICLES WITH 4.0L ENGINE
NOISE - "THUMPING" HEARD FROM WATER PUMP AREA - VEHICLES WITH 4.0L ENGINE
Publication Date: SEPTEMBER 2, 1997
LIGHT TRUCK: 1994-97 AEROSTAR, EXPLORER, RANGER
ISSUE:
A "thumping" noise or temperature gauge fluctuation may occur on some vehicles. This may be caused by the water pump delivering an uneven flow throughout the engine.
ACTION:
Replace water pump and gasket with revised Water Pump (F7PZ-8501-AA) and Gasket (FOTZ-8507-A). Refer to the appropriate year Aerostar/Ranger/Explorer service manual, Section 03-03, for water pump replacement procedure.
PART NUMBER PART NAME
FOTZ-8507-A Water Pump Gasket
F7PZ-8501-AA Water Pump
OTHER APPLICABLE ARTICLES:
NONE
WARRANTY STATUS:
Eligible Under The Provisions Of bumper To bumper Warranty Coverage
OPERATION DESCRIPTION TIME
971809A Replace Water Pump And Gasket - Ranger And Explorer 1.3 Hrs.
971809B Replace Water Pump And Gasket - Aerostar 2.1 Hrs.
DEALER CODING
BASIC PART NO. CONDITION CODE
8501 42
OASIS CODES:
204000, 204200, 402000, 497000, 702100
Has anyone changed there pump and did it work?
Article No.
97-18-9 COOLING SYSTEM - TEMPERATURE gauge FLUCTUATION - VEHICLES WITH 4.0L ENGINE
NOISE - "THUMPING" HEARD FROM WATER PUMP AREA - VEHICLES WITH 4.0L ENGINE
Publication Date: SEPTEMBER 2, 1997
LIGHT TRUCK: 1994-97 AEROSTAR, EXPLORER, RANGER
ISSUE:
A "thumping" noise or temperature gauge fluctuation may occur on some vehicles. This may be caused by the water pump delivering an uneven flow throughout the engine.
ACTION:
Replace water pump and gasket with revised Water Pump (F7PZ-8501-AA) and Gasket (FOTZ-8507-A). Refer to the appropriate year Aerostar/Ranger/Explorer service manual, Section 03-03, for water pump replacement procedure.
PART NUMBER PART NAME
FOTZ-8507-A Water Pump Gasket
F7PZ-8501-AA Water Pump
OTHER APPLICABLE ARTICLES:
NONE
WARRANTY STATUS:
Eligible Under The Provisions Of bumper To bumper Warranty Coverage
OPERATION DESCRIPTION TIME
971809A Replace Water Pump And Gasket - Ranger And Explorer 1.3 Hrs.
971809B Replace Water Pump And Gasket - Aerostar 2.1 Hrs.
DEALER CODING
BASIC PART NO. CONDITION CODE
8501 42
OASIS CODES:
204000, 204200, 402000, 497000, 702100
Has anyone changed there pump and did it work?
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Sheryle
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Dec 21, 2011 04:01 PM
