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Nissan Quest/Mercury Villager problems - READ ONLY

2519 messages,  Last post on Oct 23, 2006 at 1:23 AM

You are in the Nissan Quest Forum. Your Host is Karens

What is this discussion about? Nissan Quest, Mercury Villager, Van

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#2450 of 2519 Re: 99 Mercury Villager with Calif. emissions [sherrellcrow] by steve_ HOST Aug 02, 2006 (7:22 pm)
Replying to: sherrellcrow (Aug 01, 2006 1:28 pm) Reading my service manual for my '99 Quest can be a bear - it has a diagram of the EGRC-solenoid valve with two hoses going to the EGR valve and intake manifold collector off the throttle body and one hose (near the wiring harness connector) connected by a hose to the throttle body. Wiring goes to the ignition switch and ECM. There's another diagram that indicates the solenoid lives under the intake manifold collector on the left side of the engine as you face it. I'll try to dig my scanner out tonight and post it on my CarSpace album.   Steve, SUVs and Speed Shop Host Replies to this message: steve_ (Aug 02, 2006 9:04 pm) sherrellcrow (Aug 09, 2006 5:26 am)
#2451 of 2519 Re: 99 Mercury Villager with Calif. emissions [steve_] by steve_ HOST Aug 02, 2006 (9:04 pm)
Replying to: steve_ (Aug 02, 2006 7:22 pm) Here's the link to the EGRC-Solenoid Valve stuff:   CarSpace   Steve, SUVS and Speed Shop Host
#2452 of 2519 Re: 1999 Mercury Villager AC Contol Panel - Fan Switch [justme50] by sakev Aug 07, 2006 (3:24 pm)
Replying to: justme50 (Aug 02, 2006 6:39 pm) Easy answer Ebay. Bought one for under $50. Easy to install. This site gives you instructions on removal installation under "inoperative rear blower".   http://home.earthlink.net/~vqfaq/
#2453 of 2519 Re: 1999 Mercury Villager AC Contol Panel - Fan Switch [justme50] by mikejordan Aug 08, 2006 (1:10 pm)
Replying to: justme50 (Aug 02, 2006 6:39 pm) I bought the complete panel from a junk yard today for 25.00. I had to take it out myself but it is easy. Remove the trim panel by pulling it off and take out the four screws holding the entire panel in. Unplug the wires and it comes out. It took 5 minutes.
#2454 of 2519 Re: 1999 Quest FRONT A/C [motonation] by ktrjc Aug 08, 2006 (4:15 pm)
Replying to: motonation (Jul 31, 2006 6:49 pm) You hit the nail on the head. Warm air seems to be stuck in the on position (it appears as though heat is coming in from the engine). Even when the knob is only on vent. Thank you so much for posting back.
#2455 of 2519 Re: 99 Mercury Villager with Calif. emissions [steve_] by sherrellcrow Aug 09, 2006 (5:26 am)
Replying to: steve_ (Aug 02, 2006 7:22 pm) Thanks Steve for going to the trouble; mystery continues....probably a fault with the ECU; cannot explain the code 1400 otherwise, after checking circuits, etc.
#2456 of 2519 Re: 1999 Quest FRONT A/C [motonation] by ktrjc Aug 09, 2006 (6:16 am)
Replying to: motonation (Jul 31, 2006 6:49 pm) Oh yeah,   This morning we noticed that when the switch is off "nothing" comes out as usual but when the switch is on the warm air is flowing! Replies to this message: motonation (Aug 12, 2006 5:39 pm) ktrjc (Aug 12, 2006 6:02 pm)
#2457 of 2519 Re: 1999 Quest FRONT A/C [ktrjc] by motonation Aug 12, 2006 (5:39 pm)
Replying to: ktrjc (Aug 09, 2006 6:16 am) Glad to see you are still on this Ken - many forums have people posting problems but no follow-up info.   Anyway, that brings us back to my first post - either your front control panel is stuck in heat mode, or the actual heater valve is stuck. Unfortunately, I haven't dug into the bowels of this particular HVAC system, so I couldn't tell you how to get to the actual heater valve itself. Perhaps someone else can chime in here? Replies to this message: ktrjc (Aug 12, 2006 6:02 pm)
#2458 of 2519 Re: 1999 Quest FRONT A/C [motonation] by ktrjc Aug 12, 2006 (6:02 pm)
Replying to: motonation (Aug 12, 2006 5:39 pm) Been a little busy working on my bike and another vehicle, got side track   Hey any help would be great. I am ready to take the dash off and look around. How can I tell if its the control panel? Anyone have any advise on the easiest way to get to the heater valve?   Thanks

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