Temp gauge moving up and down
Discussion
Hi mates,
i've got the problem that the temp gauge is moving up to 110° and after some seconds it moves to 85°. Sometimes it stays a bit longer but it's moving around without any visible reason. The cooling system is, as the whole engine new and seems to work good. The fan never starts when the gauge shows 110°. The sender is at 46 ohm when the fan comes.Maybe there is a ground problem? Where is the ground for the instruments ? Perhaps any ideas?
Thanks.
Cheers
Bernd
i've got the problem that the temp gauge is moving up to 110° and after some seconds it moves to 85°. Sometimes it stays a bit longer but it's moving around without any visible reason. The cooling system is, as the whole engine new and seems to work good. The fan never starts when the gauge shows 110°. The sender is at 46 ohm when the fan comes.Maybe there is a ground problem? Where is the ground for the instruments ? Perhaps any ideas?
Thanks.
Cheers
Bernd
Hi mates,
I think Ramon gave the right hint. Today I tried to get some air out of the system. And a big bubble came out and the system worked a lot better. I think it's so difficult because the engine was empty after the rebuild. When I worked only on the water pump and I refilled the system it was no problem.
Thank you all for your advice especially to Ramon.
Cheers
Bernd
I think Ramon gave the right hint. Today I tried to get some air out of the system. And a big bubble came out and the system worked a lot better. I think it's so difficult because the engine was empty after the rebuild. When I worked only on the water pump and I refilled the system it was no problem.
Thank you all for your advice especially to Ramon.
Cheers
Bernd
Hi mates,
unfortunately my problem is not solved.
Evertime I think the air is out of the system and I drive a bit the problem with he rising gauge is there again. When I let off the throttle bublles occur in the expansion tank. Maybe it´s the head gasket but compression is good, every cylinder 170 psi.The engine was out last winter and I (the engine builder)changed from the thin gaskets to the composite ones.
Any idea??
Cheers
Bernd
unfortunately my problem is not solved.
Evertime I think the air is out of the system and I drive a bit the problem with he rising gauge is there again. When I let off the throttle bublles occur in the expansion tank. Maybe it´s the head gasket but compression is good, every cylinder 170 psi.The engine was out last winter and I (the engine builder)changed from the thin gaskets to the composite ones.
Any idea??
Cheers
Bernd
Hi Zig,
Thermosthat is 82°, Fan-switch ist 92-87° both new and good quality. If the car moves the fan sometimes works sometimes not when the Temperatur rises, if the car stands in the garage the fan works erverytime.Everything else on the cooling system is new or reconditioned. I´ve tried the Laser thermometer. The Temperatures at the temp-sensor are the same as on the instrument.
Before the engine rebuild bleeding the system was no problem.
I´m really puzzled.
Cheers
Bernd
Thermosthat is 82°, Fan-switch ist 92-87° both new and good quality. If the car moves the fan sometimes works sometimes not when the Temperatur rises, if the car stands in the garage the fan works erverytime.Everything else on the cooling system is new or reconditioned. I´ve tried the Laser thermometer. The Temperatures at the temp-sensor are the same as on the instrument.
Before the engine rebuild bleeding the system was no problem.
I´m really puzzled.
Cheers
Bernd
Hi Martin,
don´t know the exact make but I bought them from v8engines. They were mounted by an engine builder and he didn´t complain about. But it looks as if i´ve solved the problem. Last winter I dismantled the heater box and changed the original rad inside to a one from a Fiesta. I changed the routing of the hoses and there seems to be a leak where air is sucked in. Two days ago I disconected the heater and tried the car on my way to work (Berlin city traffic) and everything worked fine. The needle of he temp gauge is nearly glued to 90° and the fan works as he should. I bleeded the sysem over the small hose of the swan neck. Car was jacked up and a longer hose attached. Today I´m going to work with the car and I hope it works again then she´s layded up for winter. Time for fixing the other issues.
Thank you all.
Cheers
Bernd
don´t know the exact make but I bought them from v8engines. They were mounted by an engine builder and he didn´t complain about. But it looks as if i´ve solved the problem. Last winter I dismantled the heater box and changed the original rad inside to a one from a Fiesta. I changed the routing of the hoses and there seems to be a leak where air is sucked in. Two days ago I disconected the heater and tried the car on my way to work (Berlin city traffic) and everything worked fine. The needle of he temp gauge is nearly glued to 90° and the fan works as he should. I bleeded the sysem over the small hose of the swan neck. Car was jacked up and a longer hose attached. Today I´m going to work with the car and I hope it works again then she´s layded up for winter. Time for fixing the other issues.
Thank you all.
Cheers
Bernd
Hi all,
yes there are two wedges in... not Berlin. The little town in the west of Berlin is called Falkensee and there a two 350i´s.
@Adam
Last few weeks I wondered why the instruments mist up. I never had this before ??? Now I know the reason. Unfortunately my registration expired today for this year but I´m shure that the problem is solved. But there are more problems to solve ;-))
@Martin
If you are in Berlin feel free to send me a message I´d be glad to meet you. If you give me your email I´ll send you my phone number.
Cheers
Bernd
yes there are two wedges in... not Berlin. The little town in the west of Berlin is called Falkensee and there a two 350i´s.
@Adam
Last few weeks I wondered why the instruments mist up. I never had this before ??? Now I know the reason. Unfortunately my registration expired today for this year but I´m shure that the problem is solved. But there are more problems to solve ;-))
@Martin
If you are in Berlin feel free to send me a message I´d be glad to meet you. If you give me your email I´ll send you my phone number.
Cheers
Bernd
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