Update on 200 heat soak problem

[Kneale Brownson]

It's an eventual failure just from age and engine compartment heat.  The V8s fail much more routinely because the exhaust plumbing from the driver side of the engine surrounds the mounting area.  There is a heat shield on the V8s, but those sensors still age and fail every 5-7 or so years.  On our 200s, those things have been sending signals for 17-18 years now.  We're starting to see them fail more commonly on 5k cars too.  Probably a one-time replacement in the useable life of these cars.  Still not cheap.

Rbade12 at aol.com wrote:  Obviously this sensor will fail. Do you think it's an appropriate item to 
replace after X- miles as a preventative measure? Or is it's failure unusual? 


Bob


In a message dated 8/21/2008 2:09:46 P.M. Central Daylight Time, 
riceballdr at aol.com writes:

Looks like Kneale and Randy got it. I drove the car to heat it up then let 
it idle with ac load and hood closed and she finally died. Cranked but no 
start. ?Poured some cool water on the flywheel sensors and she fired right up. 
Left it ideling and she died about 8-10 minutes later. Tried to start but would 
only crank did the water trick again?and she fired right up. Ordered the 
engine speed sensor. These cars must like water in any form, got her home one 
time by packing snow around the master cylinder when it failed and started to 
drag the brakes!? Thanks for the good help all....................RRF
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