1985 rebuld

[AWPGTI]

Ok fellas I'm gonna check that now and report back.... If it is the thermostat I see there is different temp options a high low and a regular would it bennifet me to go with one of the other options?

 

[AWPGTI]

I'm out here right now with her... The top radiator house is fairly warm the bottom house still temp as when I started...

 

[Chris]

.....hence giving you two lukewarm hoses...

I contend that if there's actually coolant flowing thru the radiator one hose will be quite a bit warmer than the other.
If all is stagnant, that will give you two lukewarm hoses from conduction/convection from the engine.

 

[Tom W.]

Diesels love heat- always go with the highest thermostat.

 

[bhtooefr]

Not on an IDI.

Going with the highest thermostat on an IDI is asking to trash the head, because a LOT of heat needs to be removed from the head to avoid cracking or warping it.

 

[AWPGTI]

Here is my diagnosis.... Tell me if it sounds right and does it need a remedy?

11:30-I started the beast up kept checking hoses.. Very cold

11:37- top radiator hose starts to get warm, bottom house cold

11:40- top hose is hot, bottom hose cold

11:44- top house hottest, oil filters hot, and bottom radiator house warm

11:46- everything is hot

Drove to parents house

11:53- everything is hot
Needle sitting here

Leave car idle, talk to father

11:58- come out needle sitting here... ***

First time I've seen it there since we fixed the heater

Start driving needle back to here



12:01- needle sitting here

Discuss amongst yourselves lol..

 

[Chris]

Thermostat's not closing.

 

[RonJitsu]

So it was almost to half way on the gauge after sitting idle. Then dropped as soon as you started driving?

Could just be that it's COLD out!

 

[RonJitsu]

And like others stated, id switch out the thermostat and go from there. It's cheap and pretty easy

 

[AWPGTI]

Well it's 41 today not to bad...

 

[AWPGTI]

I'm not disagreeing that it's the thermostat but... The smoking gun is this whole issue revealed itself only after the heat was fixed and all holes on the blender doors were plugged... I'm curious if there could be some sort of a connection there?

 

[RonJitsu]

I'm not disagreeing that it's the thermostat but... The smoking gun is this whole issue revealed itself only after the heat was fixed and all holes on the blender doors were plugged... I'm curious if there could be some sort of a connection there?

I'm only half German, not enough intelligence to solve this riddle....

 

[Chris]

This is typical thermostat failure behavior because the temperature is varying with the flow of air through the radiator.
I had a case where you could watch the gauge climb while waiting at a traffic light then watch it fall as the car picked up speed. Quite dramatic.

 

[AWPGTI]

Hmm very intresting ok I'll change it.... Would You suggest getting standard thermo or the hotter running one? I'd also like to get a temp gauge with numbers will the sender on there do it or would I need to get a different one?

 

[MonsterTDI09]

Cover up the front grill and see if your temp goes up.Also check to see if your fresh air vent is open.

 

[AWPGTI]

I'll give that a try... Fresh air vent is closed..... Do I need a different sending unit to run a temp gauge with numerical value like a vdo gauge?

 

[AWPGTI]

What's considered normal operating temperature for the 1.6d

 

[RonJitsu]

What's considered normal operating temperature for the 1.6d

Does the Bentley list a proper operating range?

 

[AWPGTI]

I believe 192°F

 

[AWPGTI]

I was thinking this morning on my drive in.... Do I need to re torque my head bolts I remember that you need to do a bunch of quater turns etc... But I thought you needed to revisit those bolts at 25k or something I've searched can't find it... Anyone who can clarify speak up... Also noticed my valve cover gasket leaking a bit of oil.... Idk why but I guess I'll take care of that as well

 

[bhtooefr]

It depends on which head gasket you used, although if that engine's a solid lifter engine, you used the one that requires the retorque.

If it's a hydro lifter engine with an ECOdiesel or AAZ gasket, no retorque needed. But, I'm pretty sure it isn't, so...

After 1000 miles, add 1/4 turn. That's all.

And, the valve cover gaskets are a pain. Make sure you are even with the torque on the valve cover nuts, and don't bend the strips on the valve cover. Alternately, switch to the cam bearing caps from a Mk3 AAZ, and use a Mk3 AAZ or TDI valve cover (I think, been a while since I've looked into that).

 

[AWPGTI]

I have the rubber g60 one now but I'll look into the cam caps... I took valve cover off a few times over its life could that be part of the issue.. Are they one and done?

 

[bhtooefr]

They're not one and done, they're just easy to bend, and once bent, forget about getting a good seal.

 

[AWPGTI]

It's a must making engine bay messy...

 

[bhtooefr]

That was VW's rust protection program before they galvanized the Mk4s.

(Mk2s don't rust badly because the valve covers leak badly, Mk3s rust badly because they don't have much oil leaks and don't have galvanized bodies, Mk4s don't rust badly because they're galvanized.)

 

[AWPGTI]

It's the same thing I see at the seaport... All container ships have everything covered in grease... Can't argue it definitely works... Lol

Look what I found searched for about an hour my diesel grill badge... Someone recently said "Doug you need represent the diesel community, nothing on her says diesel".... I need to figure out how to attach it since I have a different grill...

 

[bhtooefr]

Get a badge from a GTI with the dual round grille, cut it down so that what's remaining is the height of your diesel badge, cut holes in it so your diesel badge can clip to it (if possible - if not, cut the clips off your diesel badge (although it's a rare badge, so you may not want to do that) and superglue it to the GTI badge), and stick the modded badge in.

 

[AWPGTI]

That might be the approach to go... I've heard it's a super rare badge myself... I almost am afraid to modify it... Idk.. Also the silver is faded and rubbed off... I'm thinking of taking a sharpie paint marker to refresh it...

 

[AWPGTI]

Check out something I built for the 85

http://forums.tdiclub.com/showthread.php?p=4119856#post4119856

 

[AWPGTI]

My order from 42draft design showed up today.. Water temp gauge, wires, and green led gauge lights to batch rest of interior dash...