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Old 10-05-2017, 12:17 PM   #3
2NDSOUT
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Join Date: Sep 2000
Location: Cincinnati, Ohio
Posts: 7,268
 

1994 SL2
1999 SL
Default Re: 19999 SW1 temp gauge behaving oddly after radiator replacement

Just to add- what is the condition of the Water Pump? I would check that as well for a slow weep, or any leakage from there. Water pumps on these cars aren't difficult to replace, but it is held in with a total Quantity of 9 (10MM Bolts)... 3 on the pully, and 6 on the water pump itself. After replacing a few in 20 years of ownership- I have gotten into the practice of- if I have to replace the radiator- I may as well replace the ECTS ($20.00), and the Water Pump (~$25.00)...

Get it all done at once- that way you aren't constantly draining and refilling the Coolant system multiple times.

...
Bryan

94SL2 HCE, "Pearl"

99 SL

94SL2 260K Miles
1/15

97SW2 266K Miles
2/15

Always
94SC1 340,501 Miles
Org. Engine/Auto Trans
2/97-10/08
Gone 3/12

92SL1
05VUE
91SC

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