HOW DO I CHANGE THE INTAKE MANIFOLD GASKET UPPER AND LOWER

1997 Ford Explorer

Tiny

dlrl10076

September, 13, 2011 AT 2:20 PM

From the codes im getting and the info I have, all the roads have lead back to intake gaskets being bad

7 Answers

Tiny

Docfixit

September, 13, 2011 AT 5:42 PM

Engine? What are the codes? What has been replaced?

Tiny

dlrl10076

September, 13, 2011 AT 6:20 PM

4.0L sohc.
PO171, PO174, PO301-PO306, PO430, PO001

I have replaced the spark plugs and wires. I just purchased the tps today and so far that is it. I had a diagnosic test done about a week ago and the garage said I needed to replace the intake gaskets. I have also cleaned the MAF and replaced the fuel filter. It seems to consume alot more gas then it suppose to and until it warms up it will idle rough and stall out unless I hold the gas and it will stall out while Im driving sometimes. I also hear a whistling sound while the truck is idle position

Tiny

Docfixit

September, 13, 2011 AT 6:35 PM

Check that air cleaner box is secured tightly and snorkle is clamped tight. Then at idle lightly spray carb cleaner around throttle body and upper intake gasket. If a leak engine will idle smooth when spray is on leak.

Tiny

dlrl10076

September, 14, 2011 AT 1:49 PM

Ok the air cleanerbox is secured and clamped tight. I did spray the carp cleaner with no resuts wh I sprayed the throttle boy but when I sprayed the the upper intake it did idle smooth

Tiny

Docfixit

September, 15, 2011 AT 2:13 PM

Disconnect Batt, splash cove over accel. Cables, remove cables from throttle body and air cleaner snorkle. Disconnect all vacuum hoses from intake ie. IAC, TPS, EVR, VIS and PCV. Disconnect Intake Manifold Tuning Valve(IMTV)remove brake booster hose. Remove 8 Upper intake bolts(see diagram). Disconnect left side Vapor Manegement Valve VMV(see diagram) clean surfaces install gasket torque to 62ft. Lbs.

Tiny

dlrl10076

September, 15, 2011 AT 5:23 PM

Ok. Thanks for your help, it looks like alot of disconnecting but overall not to bad of fix.

Tiny

Docfixit

September, 15, 2011 AT 6:03 PM

Yes take pics and use tape to lable hose, wire locations

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