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matt e
Dodge Dakota
JOIN HERE
8/19/2006
09:23:32
|
 Subject: strange temps lately
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Message:
Lately I've been running around 200-205 prolly like 10 or 15
hotter than normal. I noticed a rattle in my exhaust durring idle
and heavy accel but its not constant only temp.
My a/c threw a bearing lately as well and I put on a smaller belt.
It seems like thats when it started could that be it or am I just
really peranoid because all of the stuff I have had go wrong w/
my truck in last 2 months.
do you guys think it could be a clogged cat or becasue of the
belt.
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Kowalski
GenIII
8/19/2006
11:44:42
|  RE: strange temps lately
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Message:
Could be related to the belt, or the tensioner; or maybe just the cooling system getting older - maybe time to flush ?
Lead, follow, or get out of the way
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matt e
Dodge Dakota
JOIN HERE
8/19/2006
12:11:57
| RE: strange temps lately
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Message:
if the belt I used to bypass the a/c compressor is a little tight
could that effect it?
I definately didnt begin until this, I flushed the cooling system
out last summer.
Guess I better just get that bearing ordered and fix the a/c
compressor see if that works
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Obio3
Dodge Dakota
JOIN HERE
8/20/2006
13:18:05
| RE: strange temps lately
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Message:
reguardless of cooling you most likely have a cat problem. get under there and hit it with a rubber hammer, maybe your fist. if it rattles as you strike it you need a new one.
Ss many problems .... So little time
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Kowalski
GenIII
8/20/2006
14:04:16
| RE: strange temps lately
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Message:
Here's a good way to test a cat - You should have around 17"-22" vacuum at idle; should be 3"-5" higher at 2500-3000 rpm. If same or lower, cat likely clogged. Good suggestion, but not all clogged cats will rattle.
Lead, follow, or get out of the way
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ScojoDak
Dodge Dakota
JOIN HERE
8/20/2006
15:32:53
| RE: strange temps lately
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Message:
While I cant speak for the increase in engine temp, I can tell you I had a cat that rattled as you describe. The inards just fell apart. I fixed it the next day and didnt pay much attention to engine temp rise or loss in performance before the fix. Let us know if you find out the cause.
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Dan M
Dodge Dakota
JOIN HERE
8/21/2006
07:28:45
| RE: strange temps lately
IP: Logged
Message:
temp before and after cat should be ~ 100 deg difference. You can always take it to a shop for a FREE inspection.
It could be clogged, i had a cat installed once on my old dakota and it was clogged, loud hissing sound similar to a vacuum leak.
don't forget the warranty on the cat if it does turn out to be bad.
now, if the cat is bad, could be time for a tuneup and/or oxygen sensor change. cat's dont just fail, no moving parts to fail.
- Dan M
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