Temperature question

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Jul 26, 2015 | 04:05 PM

Bill Mac

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From: Basalt CO

Temperature question

On a drive yesterday outside air temp was 85, oil temp 237, coolant 212, trans 212. 35 mile drive home. Do these seem excessive? Coolant was replaced this spring. 2007 base coupe A6. 63,000 miles. Thanks for any input.

Jul 26, 2015 | 04:25 PM

Redvette2

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From: Loud, Raw and Dangerous 1968 327 4S in Southern California

If you were in stop and go traffic and sitting at lights these are about right. If you were steady cruising on the highway they do seem a little bit high but not excessive. Search the forum and you should find more information.

Jul 26, 2015 | 04:25 PM

wayback

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Seems a little high if you were on the hwy, normal for stop n go.

In the 100's here and mine was at 203 to 205 on the hwy at 75 mph. That has me worried. Gonna flush the radiator and condenser in the morning.

Jul 26, 2015 | 05:37 PM

okie08vette

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From: Norman OK

A little high, check the front of radiator to make sure you did not pick up any obstruction.

Jul 26, 2015 | 05:44 PM

Boomer111

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From: Bay Area Ca.

Ya the coolant seems a little high. I have seen 235 oil with mid 190's coolant during a long trip on a climb.

Coolant pump is driven via rpm. So higher rpm my coolant comes down some at low rpm it will read higher.

4:10 differential so at 70 mph I am at 1800 rpm, once I see around 2000rpm my coolant drops to 189-191* 180* stat.

Jul 26, 2015 | 05:57 PM

dryadsdad

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From: Texas

Conditions? My oil never gets that hot driving at the speed limit always moving. If you were in Phoenix idling in traffic, that's cool.

Jul 26, 2015 | 06:24 PM

wayback

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I have been working on my condenser, there are a lot of the fins bent over blocking airflow. Have a dental pic I have been using to straighten them.

Anyone know a better way?

Jul 26, 2015 | 06:50 PM

okie08vette

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From: Norman OK

I think some one makes a fin comb, I would have to do some research to find it.

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Jul 26, 2015 | 07:04 PM

wayback

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Quote:

Originally Posted by okie08vette

I think some one makes a fin comb, I would have to do some research to find it.

I have a fun comb for hvac. Problem is the fins are only 1/3 of a inch long and are sandwiched between horizontal bars.

Area behind grill was about 50% blocked. Got some done but it's too dang hot now. Will get up early and do some more, then flush it with my home made wand.

Last edited by wayback; Jul 26, 2015 at 07:08 PM.

Jul 26, 2015 | 07:14 PM

#10

Joe B.

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From: Westmont Il.

My trans runs about 185. 200-205 when it's hot out or hilly, but it takes a while to get there. That puts it at 3/4 on the HUD gauge, normal, I think for A6, but too hot for my liking.

Jul 26, 2015 | 07:15 PM

#11

okie08vette

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From: Norman OK

Amazon shows two different types, I have never used either so don't know if they work but they are cheap.
http://www.amazon.com/s?ie=UTF8&page...20Straightener

Jul 26, 2015 | 07:23 PM

#12

okie08vette

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From: Norman OK

Someone suggested a wire brush would work.????

Jul 26, 2015 | 07:27 PM

#13

hrt vlv

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From: Mech. pa

simple green and a hose

Jul 26, 2015 | 08:25 PM

#14

Cherokee Nation

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From: corpus christi Texas

Quote:

Originally Posted by wayback

My condenser looks like that, what would be the cause for them to bend over? I do use the high pressure wash at the car wash to wash it off, so maybe that is the cause??

Jul 26, 2015 | 08:36 PM

#15

wayback

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Quote:

Originally Posted by Cherokee Nation

My condenser looks like that, what would be the cause for them to bend over? I do use the high pressure wash at the car wash to wash it off, so maybe that is the cause??

Just bugs, sand and road debris. They take a beating, more so at speed.

Jul 26, 2015 | 08:40 PM

#16

wayback

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Air must flow through the condenser to get to the radiator. So impaired airflow through the condenser will cause higher water temps.

Jul 26, 2015 | 08:47 PM

#17

Cherokee Nation

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From: corpus christi Texas

Quote:

Originally Posted by wayback

Just bugs, sand and road debris. They take a beating, more so at speed.

Thanks" But how do you get to the condenser without removing that grill??

Jul 26, 2015 | 08:50 PM

#18

wayback

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Quote:

Originally Posted by Cherokee Nation

Thanks" But how do you get to the condenser without removing that grill??

Reach under the front fascia. It is open in front of the air dam. The air dam deflects air up through this opening to the condenser and radiator.

I look through the grill, but work from underneath.

Jul 26, 2015 | 09:29 PM

#19

Cherokee Nation

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From: corpus christi Texas

Quote:

Originally Posted by wayback

Reach under the front fascia. It is open in front of the air dam. The air dam deflects air up through this opening to the condenser and radiator.

I look through the grill, but work from underneath.

Jul 26, 2015 | 11:03 PM

#20

HOXXOH

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From: Peoria/Phoenix AZ

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Quote:

Originally Posted by Cherokee Nation

Thanks" But how do you get to the condenser without removing that grill??

After you take off the intake (air bridge) and the radiator/condenser top support, you have about an inch of space to insert a water wand and spray out the condenser from the back side.

https://www.corvetteforum.com/forums...-cleaning.html

Last edited by HOXXOH; Jul 26, 2015 at 11:11 PM.

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