Recent content by Dunnik

Thanks for the part number, ordered. So it's a replacement then?

Thanks very much @2001LC I'll get on that. And now that you mention it, fuel economy does seem a little worse than I expected. I haven't been tracking it closely, but I will now. I presume the radiator cap is a Toyota part? Can anyone help with the part number? I can't seem to find it on the...

The radiator cap: rubber seals seem to be in good condition, no cracking or warping

So after letting the vehicle rest with the front wheels up on blocks (about a 4 in. lift) for about 20 hours, here are the results: - reserve tank level seems to be about the same, maybe a little lower (-1°C this morning, down to about -4 overnight) - coolant is up to the level of the neck...

Attached is the latest invoice, heater T's and clutch fan replaced, heater core flushed. "Proper water flow indicating no clogs [in heater core]". They also cleaned the cabin ambient temp sensor, it was only moderately dirty: no result.

As per @2001LC here are photos of coolant temps at 1 min after startup, 5 minutes after, and 20 minutes after (vehicle reached operating temperature after about 10 minutes). Also included is a picture of the (resevoir?) coolant tank after a 30 minute+ drive, which included 10 minutes on the...

Attached is the invoice for the last major service as well as a summary of the service history going back to 2012, all work performed by the PO at Regency Lexus in Vancouver, BC. This document was sent to me directly by the dealer. Mostly recently it was in for the extensive #4 Maintenance...

Was told coolant was a bit low by the dealership on the first visit: they replaced the t-stat and topped up the fluid at that time. Can also tell you, for what it's worth, that ever since the 1st time it was in the shop, it's been handled by or under the supervision of the Master Technician...

Thanks @2001LC will check as you suggest, in fact coolant was a bit low when I first brought it in. Engine temps seem normal to me I'll take pictures at those time intervals. @CloudCity the vehicle has now had 3 t-stats during my brief period of ownership, the odds of all three being duds are...

Water pump and timing belt were replaced by the dealer as well - they were pretty much due for it anyway. No change to the heat issue. Don't know if they tested inlet valves, but no change on different fan speeds or direction. Tempted to just bite the bullet and replace the heater core, on the...

Thanks for the replies, will try to address: - service history showed no work on the HVAC system or any associated complaints - as noted, did not perform the work myself, it was done at Lexus Downtown in Toronto. The first thing they did was replace the t-stat, when no result, they said the...

Cleaned cabin ambient temp sensor, wasn't too dirty. No result. As there doesn't seem to be anything more to be done, the Lexus dealer is returning the vehicle. Refuse to believe this is unfixable. Any other thoughts or suggestions would be most welcome.

I saw your post in fact when I did a search, alas no, air blows strong in the footwells, no blockage.

Thanks all, will check those ideas out. Truck has 250,000 km on it (155k Freedom Miles), and is otherwise very clean, especially underneath, which was really what I was aiming for: a rust-free example.

Rear heat functions as the front does, which is to say, it doesn't. Should have included that key bit of info in the post, I'll update thanks.