99 Honda Passport Water Manifold bolt torque specs?

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99 Honda Passport Water Manifold bolt torque specs?

Postby Ray7751 » Thu Apr 06, 2017 9:57 pm

Looking for torque specs for the water manifold bolts on a 99 Honda Passort 3.2 v6.
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby lorenzo816 » Fri Apr 07, 2017 9:30 am

water pump bolts 18 lb ft
thermostat housing 11 lb ft

taken from the 99 shop manual.
(EDITED ^^^ this is for the 4 cylinder above)
see below for 3.2 specs
Last edited by lorenzo816 on Fri Apr 07, 2017 11:37 am, edited 1 time in total.
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby Buster28 » Fri Apr 07, 2017 11:27 am

This image is clipped from the 99 FSM and conflicts with the above post.
You do not have the required permissions to view the files attached to this post.
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby lorenzo816 » Fri Apr 07, 2017 11:36 am

You are correct Buster.
I just noticed I pulled that from the 2.2 4 cylinder section.

Here is the 3.2 specs:

water pump assembly 18 lb ft
Idle pulley bolt 38 lb ft
thermostat housing 18 lb ft

Few extra you might need if you took them off:
fan pulley bolt 16 lb ft
fan clutch assembly 66 lb in (note inches here = basically 5-6 lb ft)
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby Ray7751 » Wed Apr 12, 2017 1:31 am

Buster28 wrote:This image is clipped from the 99 FSM and conflicts with the above post.
You do not have the required permissions to view the files attached to this post.
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby Ray7751 » Wed Apr 12, 2017 1:35 am

Top radiator hose attached to the water manifold housing right? 99 Honda Passport 3.2 V6 RW. I already replaced the thermostat and torqued the thermostat housing bolts. After that the torque wrench failed on another project. Replaced 2 new water outlet gaskets on the water manifold housing, and a new O-ring on the pipe to the water manifold housing. Hopefully I'm safe in my pic. Ran out of time with a messed up torque wrench. Did it old school by feel. My question still is, is there still another name for water manifold housing out there these days?
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby Buster28 » Wed Apr 12, 2017 6:00 am

The water manifold hose connects to the top of the radiator the bottom radiator hose connects to the thermostat inlet pipe.
The Isuzu nomenclature is Manifold, Water
http://parts.sonshonda.com/products/Hon ... 345-3.html
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby Ray7751 » Thu Apr 13, 2017 1:00 am

I find this funny when I type in water manifold gasket or gaskets for a 99 Honda passport 3.2 v6 at O'Reilly it brings up a thermostat gasket. Also auto zone. Napa online say no parts found. I ordered 2 from Advanced auto parts in Elk river, MN ship to home. That is how I got it back together. I did puchase the o-ring from hondapartsdirect. Is there another term out there for water manifold gasket or gaskets that auto stores search engines would understand better anyone? Also, Thanks Buster28.
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby Buster28 » Thu Apr 13, 2017 4:02 pm

Gasket, Water Manifold Honda/Isuzu # 8-97136-346-0
I could not cross to an aftermarket #
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby Ray7751 » Sun Apr 16, 2017 3:06 am

I did order the water manifold housing o-ring from Hondapartsdirect.com Seems like it was a touch thinner than the stock one Part#1096231300. I'm worried that I either bent the heater pipe mounting bracket back, or the o-ring was not seated right after tightening the water manifold housing bolts. Only cause of that top heater pipe mounting bracket bolt hole did not line up with the thread hole on top of the water manifold thread hole at first. I did take a rubber mallet with a flat head screw driver to knock it more in there, medium taps will say. On the metal heater line bracket I'll say, just to get that bolt in there. Wondering if I could pressure test the system before I put the lower and upper intake manifold back on? If I clog the hose running to the throttle body? Would that work with a pressure pump without no coolant in the system? Just to check if that o-ring is leaking with soap and water?
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Re: 99 Honda Passport Water Manifold bolt torque specs?

Postby Ray7751 » Tue May 16, 2017 2:51 am

Update. No leak! Pressure test.
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