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Temperature oscillation in 2002 430e

Tiny
TOMK99
  • MEMBER
  • 2002 MERCEDES BENZ
I have a e430 (2002) for several months now. What I have noticed is the temperature gauge will oscillate between 80-90 C while in traffic. The gauge is otherwise stable on the freeway. Does not appear to change much with revving of the engine (doubt water pump problem), or, with turning A/C on (?Radiator cooling problem).

I took the car to the dealer x2 without any resolution. They showed me another e430, which did the same thing while parked.

So, either this is a "normal" thing for this car, or, what I'm thinking of lately, some sort of "cavitation" problem with the coolant. My brother has a BMW and when he cleared bubbles from the coolant system, his temperature problem resolved.

I guess if this problem is "normal", would it not decrease the life span of the car?

Any suggestions?
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Friday, January 13th, 2006 AT 4:14 AM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Wont hurt anything. The t-stat is opening and closing
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Wednesday, January 18th, 2006 AT 5:49 PM
Tiny
TOMK99
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8)

Many Thanks! For putting my mind at ease.

I'm really beginning to fall in love with this car.
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Friday, January 20th, 2006 AT 1:18 AM

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