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Mike Copeland

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Since: Jun 12, 2007
Posts: 17



(Msg. 1) Posted: Sat Dec 06, 2008 12:08 pm
Post subject: 99 Blazer temp sender
Archived from groups: alt>trucks>chevy (more info?)
4.3 Vortec, my indicated engine temp has been steadily dropping for
several months now. Is this a normal failure mode for the sender? Where
is the sender on this engine?

Thx,
Mike

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Steve W.

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Since: May 14, 2008
Posts: 16



(Msg. 2) Posted: Sun Dec 07, 2008 2:26 am
Post subject: Re: 99 Blazer temp sender [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Mike Copeland wrote:
> 4.3 Vortec, my indicated engine temp has been steadily dropping for
> several months now. Is this a normal failure mode for the sender? Where
> is the sender on this engine?
>
> Thx,
> Mike

Not really, it is an indication that the sensor may have a bunch of crud
built up on it or that there is a connection problem.

Sender is in the left head between the rear cylinders.

--
Steve W.
Near Cooperstown, New York


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Jerry.PeruMotors

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Since: Jan 31, 2008
Posts: 6



(Msg. 3) Posted: Sun Dec 07, 2008 6:36 pm
Post subject: Re: 99 Blazer temp sender [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On Dec 7, 2:26 am, "Steve W." wrote:
> Mike Copeland wrote:
> > 4.3 Vortec, my indicated engine temp has been steadily dropping for
> > several months now. Is this a normal failure mode for the sender? Where
> > is the sender on this engine?
>
> > Thx,
> > Mike
>
> Not really, it is an indication that the sensor may have a bunch of crud
> built up on it or that there is a connection problem.
>
> Sender is in the left head between the rear cylinders.
>
> --
> Steve W.
> Near Cooperstown, New York
>
> ----== Posted via Pronews.Com - Unlimited-Unrestricted-Secure Usenet News==----http://www.pronews.comThe #1 Newsgroup Service in the World! >100,000 Newsgroups
> ---= - Total Privacy via Encryption =---

I would attempt to make sure that the sender is not lying to you-in
other words, from my experience the sender my be doing its job
(reporting correctly) and possibly a thermostat is in your future.
These senders rarely fail.(but they can-need to verify temperature)
Good luck. JP
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Chevy

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Since: Oct 09, 2003
Posts: 8



(Msg. 4) Posted: Mon Dec 22, 2008 4:45 pm
Post subject: Re: 99 Blazer temp sender [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Id start this a thermostat , a 195 F ...if its more than a few years old ,
id change it anyways
how much heat do you get out of the heater vents when turning it to hot ?
"Mike Copeland" wrote in message

> 4.3 Vortec, my indicated engine temp has been steadily dropping for
> several months now. Is this a normal failure mode for the sender? Where is
> the sender on this engine?
>
> Thx,
> Mike
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Mike Copeland

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Since: Jun 12, 2007
Posts: 17



(Msg. 5) Posted: Mon Dec 29, 2008 8:37 pm
Post subject: Re: 99 Blazer temp sender [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Mike Copeland wrote:
> 4.3 Vortec, my indicated engine temp has been steadily dropping for
> several months now. Is this a normal failure mode for the sender? Where
> is the sender on this engine?
>
> Thx,
> Mike

Thanx to all that read or replied. It was the the T-stat. Hardest part
of replacing that was praying the plastic radiator drain valve didn't
snap off Smile
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