2005 Vauxhall Astra 1.7 cdti 16v 100ps Coolant

Problem added: Jan 1, 2012 (8 years ago)
i was checking under the bonnet and noticed that my coolent was a rusty colour, i drained the coolent from the radiator and topped it back up with new coolent, Ran it for a couple of days and checked it again and it was still rusty coloured so i took the thermostat out and check it realising that the thermostat was permanantly shut,i don't know how long this has been like this would it have caused any problems.

Car details
Car: Vauxhall Astra
Variant: 1.7 cdti 16v 100ps
Model Year: 2005
Category: Engine & Drivetrain

Recalls: Vauxhall Astra Recalls
More: Vauxhall Astra Problems
Parts mentioned in this problem
Replies and fixes
simon froy
Fixes: 56
Jan 1, 2012 (8 years ago)
as long as there is no milky residue under the oil filler cap or on the dipstick (this would indicate that the head gasket has blown )and the car has not exesivly overheated all should be ok . but would suggest flushing through several times with clean water before topping up with mix
Fixes: 12,498
Jan 1, 2012 (8 years ago)
Did you test the thermostat in a cup with boiling water ? I take it you know the thermostat would be in the closed position which is normal when you removed it and it only opens fully when it reaches temp on thermostat .If thermostat was permantly closed , you wouldn't be long in knowing about it .
Post a reply
Please login to reply
Planning on fixing the problem yourself?

If you need parts to do the job head over to Euro Car Parts to find the parts you need.

  • Free UK Delivery
  • 365 Day Returns
  • Free Click and Collect
Fix your Astra problem

Add your problem now, it's quick and easy

Post a Problem
More 2005 Astra problems
Problem Astra Model
Running sluggishly 1.8 sxi
Oil loss & heat coming in from engine 1.6
Engine 1.4 16v life
Coolant system 1.6 se manual
Revving 1.6 manual petrol
Oil light 1.9cdti
Complete loss of coolant 1.7 cdti
News & Updates
Need an MOT after lockdown?
Find your nearest MOT Test Centre

Volvo Seat Belt Recall
Affects S60CC, V60CC, S60, XC60, V60, XC70, V70 and S80

AutoInsider recall database updated
Recent recalls for Volvo, Audi and Porsche

Find your nearest
Diagnostics App

Identify problem parts

Try it now
On Social Media