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BeitragVerfasst: Freitag 18. Mai 2012, 22:57 
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I recently changed my worn out radiator cap to a new one but sometimes I still get high temperature readings. Sometimes it would reach almost 100, this usually happens when I get stuck in traffic and I do a sprint with the car.

Sometimes on a slightly cold weather the engine just runs about 90 degrees.

I'm also suspecting a blocked radiator. But my hoses look fine and they are not collapsing. No indication of oil in the radiator (whew), waterpump was replaced just last year. Engine was newly overhauled 2 years ago. I only use the car 2-3 times a week.

Is the weather just too hot or could I have a problem?

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BeitragVerfasst: Samstag 19. Mai 2012, 02:45 
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nope.. weather is not too hot.. my M102 engine runs at 80 deg most of the time in regular traffic. If I idle long enough say keeping the car running while waiting in high noon.. it can reach 90 deg.. but that is as high as it would get... have your thermostat checked, your thermoswitch checked for operation of aux fan... and for peace of mind, have the radiator cleaned/drained...

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1979 300TD - SOLD - Now has a new home...
1985 230E - SUB - Coding car...


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BeitragVerfasst: Samstag 19. Mai 2012, 02:48 
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Michael Hular hat geschrieben:
nope.. weather is not too hot.. my M102 engine runs at 80 deg most of the time in regular traffic. If I idle long enough say keeping the car running while waiting in high noon.. it can reach 90 deg.. but that is as high as it would get... have your thermostat checked, your thermoswitch checked for operation of aux fan... and for peace of mind, have the radiator cleaned/drained...


Thanks Mike! Aux fan working naman. Will have the radiator checked.

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BeitragVerfasst: Samstag 19. Mai 2012, 03:01 
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Karl Borbajo hat geschrieben:
I recently changed my worn out radiator cap to a new one but sometimes I still get high temperature readings. Sometimes it would reach almost 100, this usually happens when I get stuck in traffic and I do a sprint with the car.

Sometimes on a slightly cold weather the engine just runs about 90 degrees.

I'm also suspecting a blocked radiator. But my hoses look fine and they are not collapsing. No indication of oil in the radiator (whew), waterpump was replaced just last year. Engine was newly overhauled 2 years ago. I only use the car 2-3 times a week.

Is the weather just too hot or could I have a problem?


Your thermostat may be stuck open, or have a clogged radiator. What radiator cap did you replace it with? Correct type and specification? What is the condition of the fan clutch?

It seems your car has the correct 87 degree thermostat. In traffic, with high humidity, temps would creep up especially with AC use. As long as it drops when you get moving again you should be okay. But if it gets stuck at close to 100 even if you're on the highway, I would suspect a bad (open) thermostat. If the thermostat checks out fine, I would check/inspect the clutch. They're in close proximity anyway so it's just good to check both at the same time.

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BeitragVerfasst: Samstag 19. Mai 2012, 10:59 
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problem solved. 2 foot of the fan shroud was broken so the air was escaping though the side of the shroud when I run at high speeds. another problem was the temp switch at the ac's receiver dryer was broken, I had the ac guy jumper the Switch I didn't know it woyld affect the fan clutch. Btw, I just recently changed the expansion valve and receiver dryer.

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BeitragVerfasst: Samstag 19. Mai 2012, 11:13 
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temp switch on the receiver dryer broken means your aux fan does not turn on/engage when your ac is experiencing high pressure.. with the load of the ac, and the aux fan not functioning properly with AC operation, you'd definitely have some temp problems.. good job!.. punta ka na bukas sa bfast eb? :D

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1975 200 - SOLD - Now a hearse (last registered 2003)
1978 200 - SOLD - Last seen stripped and junked..
1979 300TD - SOLD - Now has a new home...
1985 230E - SUB - Coding car...


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BeitragVerfasst: Montag 21. Mai 2012, 05:22 
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Sorry Mike ngayon ko lang nabasa. Nandito ako sa Bulacan for 2 weeks.

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BeitragVerfasst: Montag 21. Mai 2012, 06:42 
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Karl Borbajo hat geschrieben:
problem solved. 2 foot of the fan shroud was broken so the air was escaping though the side of the shroud when I run at high speeds. another problem was the temp switch at the ac's receiver dryer was broken, I had the ac guy jumper the Switch I didn't know it woyld affect the fan clutch. Btw, I just recently changed the expansion valve and receiver dryer.


Hi Karl,

Kamusta?

"another problem was the temp switch at the ac's receiver dryer was broken, I had the ac guy jumper the Switch I didn't know it woyld affect the fan clutch "

Could you please elaborate the above quote ...

If the temp switch is broken at the a/c receiver dryer, it would affect the clutch fan? Would there be a connection between the two? Or do you mean the aux fan?

A relative's unit has a similar problem when he sprints the car. Temp rises rather than going down, which I think is not supposed to be, right?

Thank you in advance for the input, this might solve the problem. He has this rising temp problem for a awhile as stated.

Cheers!




Joey


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BeitragVerfasst: Montag 21. Mai 2012, 06:56 
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Registriert: Donnerstag 17. August 2006, 10:44
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Rising remp while running hard can be attributed with a no-thermostat setting. I had this problem with our accord and my old gasser MB. Both had no thermostat because the mechanic back then took it out because of overheating issues. Generally practiced by some shops, this should not be the case. Troubleshoot the tempproblem but never remove the thermostat. It is there for a purpose.

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1975 200 - SOLD - Now a hearse (last registered 2003)
1978 200 - SOLD - Last seen stripped and junked..
1979 300TD - SOLD - Now has a new home...
1985 230E - SUB - Coding car...


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BeitragVerfasst: Dienstag 22. Mai 2012, 01:35 
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On another case... my relative's unit.

Turned out to be that the coil insert of the radiator tubes were contaminated with rust, thus the clogging.

Had the radiator cleaned and thus fixed the rising temp on running hard (sprint).

Btw, used 5 liters of distilled water mixed with 1 liter coolant fluid - (W123).

Thanks!




Joey


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BeitragVerfasst: Dienstag 22. Mai 2012, 03:45 
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Guys ........ LAVRAMON .. has anyone tried it?

Tong, Bong, Van, and the other guys tried it with good results. I just dunno if there's a branch near our area, (Makati, southside)

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BeitragVerfasst: Dienstag 22. Mai 2012, 04:16 
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lowslowmerc hat geschrieben:
Guys ........ LAVRAMON .. has anyone tried it?

Tong, Bong, Van, and the other guys tried it with good results. I just dunno if there's a branch near our area, (Makati, southside)


Senyor Francis,

Where is LAVRAMON located? Sorry didn't have the chance to see Tong's, Bong's and Van's post. How much for pull down and cleaning?

We had the radiator done in Bangkal, Makati at TIC's Radiator Shop. I know you are familiar where they are... They pulled out the coils individually and put back on its original form.

Thank you sir!




Joey


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BeitragVerfasst: Dienstag 22. Mai 2012, 07:38 
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Any Goodyear Servitek has the machine...

You have to watch out though as some of their mechanics will try to show you a "broken" thermostat when it's actually still a perfectly working unit...

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BeitragVerfasst: Dienstag 22. Mai 2012, 09:05 
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Joey del Rosario hat geschrieben:
On another case... my relative's unit.

Turned out to be that the coil insert of the radiator tubes were contaminated with rust, thus the clogging.

Had the radiator cleaned and thus fixed the rising temp on running hard (sprint).

Btw, used 5 liters of distilled water mixed with 1 liter coolant fluid - (W123).

Thanks!




Joey


Same scenario with my 230 TE :(

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BeitragVerfasst: Dienstag 22. Mai 2012, 14:30 
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lowslowmerc hat geschrieben:
Guys ........ LAVRAMON .. has anyone tried it?

Tong, Bong, Van, and the other guys tried it with good results. I just dunno if there's a branch near our area, (Makati, southside)


Lavramon jpwheels in sucat !

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