Having problems with your 1998 Volvo S70 ?

Friends got a pool of coolant forming in the back of her car whats the cause of that?

Posted / edited by AnonymousUser on : 25-03-2019

Answers :

If the vehicle has a rear passenger heater, it may be that the coolant is leaking from the heater core or one of the hoses connecting the heater with the engine cooling system so you would need to get under the vehicle and visually check. This may also be a leaking heater core under the dashboard and the coolant is flowing over or under the carpet and pooling in the rear footwell.
\012Check for damp or wet spots in the carpet from the front to the rear of the vehicle with your hand and carefully check around the area where the heater core is mounted, this is usually undr the centre of the dash or behind the glove box. If this is found to be the area of the leak then the heater core will need to be removed and replaced or repaired. Removing the heater core is quite a daunting job as nearly all of the dashboard and fascia have to be removed along with all the electrical items mounted in this area. You may be able to bypass the heater core by connecting the two heater hoses under the bonnet together with a small length of pipe and then check to see if the coolant returns to the footwell. If it does not then the core is faulty. if it does then the issue may be in the rear heater (if fitted) and should be bypassed and checked in the same way.
Repair Help & Product Troubleshooting for 1998 Volvo S70

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